When setting up a home theater, one of the most important considerations is the projector throw ratio. The throw ratio refers to the distance between the projector and the screen divided by the width of the projected image. Choosing the right throw ratio is crucial for achieving the optimal screen size and image quality in your specific room setup. The ideal throw ratio depends on factors like the size of your room, the desired screen size, and the placement of your projector.
In this comprehensive guide, we'll dive deep into the concept of projector throw ratios and explore how to select the best option for your home theater. We'll cover the different types of throw ratios, the advantages and disadvantages of each, and provide tips for measuring and calculating the throw ratio for your space. By the end, you'll have a solid understanding of how to choose the perfect throw ratio to create an immersive cinematic experience in your own home.
The importance of selecting the right projector throw ratio cannot be overstated. An incorrect throw ratio can result in an image that is either too small or too large for your screen, leading to a suboptimal viewing experience. It can also cause issues like image distortion, uneven brightness, or the need for keystone correction, which can degrade image quality. On the other hand, the right throw ratio ensures that your projected image perfectly fits your screen, maximizing image clarity, sharpness, and overall impact.
Moreover, understanding throw ratios is essential for planning your home theater layout and selecting the right projector. Different projectors have different throw ratio ranges, and some are designed for specific setups like short-throw or ultra-short-throw projection. Knowing your desired throw ratio helps narrow down your projector options and ensures that you choose a model that is compatible with your room size and screen placement.
As we proceed, we'll also touch upon the role of AV system integration software in optimizing your home theater setup. These tools can help you plan your room layout, calculate throw distances, and select the best components for your needs. By leveraging AV system integrator tools and following best practices for projector placement and setup, you can achieve a truly cinematic experience in your own home.
So, let's dive in and uncover the secrets to choosing the perfect projector throw ratio for your home theater setup. Whether you're a seasoned enthusiast or a first-time home theater builder, this guide will provide you with the knowledge and insights you need to make informed decisions and create a stunning visual experience in your own living room.
Before we delve into the different types of throw ratios and how to choose the best one for your setup, let's take a closer look at what projector throw ratio actually means.
In simple terms, the throw ratio is a numerical value that describes the relationship between the distance of the projector from the screen and the width of the projected image. It is calculated by dividing the throw distance (the distance between the projector and the screen) by the width of the projected image.
For example, if a projector is placed 10 feet away from the screen and produces a 5-foot-wide image, the throw ratio would be 2:1 (10 divided by 5). This means that for every foot of image width, the projector needs to be placed 2 feet away from the screen.
Throw ratios are typically expressed in a format like "1.5:1" or "0.8:1", where the first number represents the throw distance and the second number is always 1, representing the image width. A higher throw ratio indicates a longer throw distance relative to the image width, while a lower throw ratio indicates a shorter throw distance.
It's important to note that the throw ratio is different from the native resolution or aspect ratio of the projector. The native resolution refers to the number of pixels the projector can display (e.g., 1080p or 4K), while the aspect ratio describes the proportional relationship between the width and height of the image (e.g., 16:9 or 4:3). The throw ratio, on the other hand, solely describes the spatial relationship between the projector and the screen.
Understanding throw ratios is crucial because it directly impacts the size of the projected image and the placement flexibility of your projector. Different rooms and setups may require different throw ratios to achieve the desired screen size and optimal image quality.
For instance, in a small room where the projector needs to be placed close to the screen, a short-throw or ultra-short-throw projector with a low throw ratio would be ideal. On the other hand, in a large room with ample space between the projector and the screen, a long-throw projector with a high throw ratio would be more suitable.
To calculate the throw ratio for your specific setup, you'll need to measure the distance between your projector's lens and the screen, as well as the desired width of your projected image. You can then use online calculators or AV system integrator tools to determine the appropriate throw ratio for your needs.
In the following sections, we'll explore the different types of throw ratios, their advantages and disadvantages, and how to choose the best one for your home theater setup. We'll also discuss the role of AV system integration software in planning and optimizing your projector placement for the best possible viewing experience.
When it comes to projector throw ratios, there are three main categories to consider: short-throw, long-throw, and ultra-short-throw. Each type has its own characteristics, advantages, and disadvantages, making them suitable for different room sizes and setups. Let's take a closer look at each category.
Short-Throw Projectors Short-throw projectors have a low throw ratio, typically ranging from 0.4:1 to 1:1. This means they can project a large image from a relatively short distance. For example, a short-throw projector with a throw ratio of 0.5:1 can project a 100-inch image from just 50 inches away.
Advantages of short-throw projectors:
Ideal for small rooms or setups where the projector needs to be placed close to the screen.
Reduces shadowing and glare issues caused by people walking in front of the projector.
Allows for more flexible projector placement options, such as mounting on a coffee table or close to the ceiling.
Disadvantages of short-throw projectors:
Generally more expensive than long-throw projectors with similar specifications.
May require a specialized screen with a high gain or angular reflective properties to maintain image brightness and uniformity.
Can be more susceptible to image distortion or artifacts, especially at extreme angles or close distances.
Long-Throw Projectors Long-throw projectors have a higher throw ratio, typically ranging from 1.5:1 to 4:1 or more. They require a longer distance between the projector and the screen to achieve a given image size. For example, a long-throw projector with a throw ratio of 2:1 would need to be placed 20 feet away from the screen to project a 10-foot-wide image.
Advantages of long-throw projectors:
Well-suited for large rooms or auditoriums where there is ample space between the projector and the screen.
Generally more affordable than short-throw or ultra-short-throw projectors with similar specifications.
Provide more flexibility in terms of screen size and placement, as the image size can be easily adjusted by moving the projector closer or farther from the screen.
Disadvantages of long-throw projectors:
Require a larger room or dedicated space for optimal placement and image size.
May be more susceptible to shadowing and glare issues caused by people walking in front of the projector.
Can be more challenging to mount or install, especially in rooms with low ceilings or limited space behind the seating area.
Ultra-Short-Throw Projectors Ultra-short-throw projectors have the lowest throw ratios, typically ranging from 0.1:1 to 0.4:1. They can project a large image from an extremely close distance, often just a few inches away from the screen or wall.
Advantages of ultra-short-throw projectors:
Perfect for small rooms or setups where space is at a premium, such as apartments, classrooms, or offices.
Virtually eliminates shadowing and glare issues, as the projector is placed very close to the screen and below the line of sight.
Allows for a "TV-like" setup, where the projector can be placed on a cabinet or credenza directly below the screen.
Disadvantages of ultra-short-throw projectors:
Typically the most expensive type of projector, especially for models with high resolutions or advanced features.
May require a specialized screen with a high gain or angular reflective properties to maintain image brightness and uniformity.
Can be more susceptible to image distortion or artifacts, especially if not aligned or calibrated properly.
When choosing the best throw ratio for your home theater setup, consider factors such as your room size, desired screen size, and projector placement options. Use AV system integrator tools or online calculators to determine the ideal throw ratio for your specific needs, and then look for projectors that fall within that range.
In the next section, we'll discuss how to measure and calculate the throw ratio for your room, as well as provide tips for optimizing your projector placement and screen selection based on your chosen throw ratio.
To determine the best projector throw ratio for your home theater setup, you'll need to measure your room and calculate the throw distance and screen width. This section will guide you through the process step-by-step and provide examples to help you understand how to apply these calculations to your own space.
Step 1: Measure Your Room Start by measuring the dimensions of your room, particularly the distance from your desired projector location to the screen wall. This distance is called the throw distance. Also, measure the width and height of the wall where you plan to install your screen.
Example:
Room length (throw distance): 15 feet
Screen wall width: 12 feet
Screen wall height: 8 feet
Step 2: Determine Your Desired Screen Size Next, decide on your desired screen size based on your room dimensions and viewing preferences. A general rule of thumb is to choose a screen width that is about half the distance of your furthest viewing position. For example, if your seating is 10 feet away from the screen, a 5-foot-wide screen would be a good choice.
Example:
Desired screen width: 10 feet
Desired screen height: 5.6 feet (assuming a 16:9 aspect ratio)
Step 3: Calculate the Throw Ratio To calculate the throw ratio, divide the throw distance by the desired screen width.
Throw Ratio = Throw Distance / Screen Width
Example:
Throw Distance: 15 feet
Screen Width: 10 feet
Throw Ratio = 15 / 10 = 1.5:1
In this example, a projector with a throw ratio of 1.5:1 would be ideal for the given room dimensions and desired screen size.
Step 4: Verify Projector Compatibility Once you have calculated your ideal throw ratio, research projectors that fall within that range and are compatible with your desired screen size and resolution. Most projector specifications include the throw ratio range, minimum and maximum screen sizes, and recommended throw distances.
Example:
Projector A has a throw ratio range of 1.2:1 to 1.8:1 and supports screen sizes from 30 to 300 inches.
Projector B has a throw ratio range of 0.8:1 to 1.2:1 and supports screen sizes from 60 to 150 inches.
In this case, Projector A would be a better fit for the example room and screen size, as its throw ratio range includes the calculated 1.5:1 ratio.
Using AV System Integration Software AV system integration software and online tools can simplify the process of measuring and calculating throw ratios. These tools often provide interactive room planners, throw ratio calculators, and projector databases to help you find the best options for your specific setup.
Some popular AV system integrator tools include:
ProjectorCentral's Projector Calculator
Crestron's RoomView
Extron's RoomBuilder
Chief's ProjectorMounter
By inputting your room dimensions, desired screen size, and projector preferences, these tools can generate a list of compatible projectors and provide visual representations of your setup to help you optimize your projector placement and screen alignment.
In the next section, we'll discuss tips for optimizing your projector placement and screen selection based on your chosen throw ratio, as well as explore the benefits of using AV system integration software for planning and fine-tuning your home theater setup.
Once you have determined the ideal projector throw ratio for your home theater setup, the next step is to optimize your projector placement and screen selection to ensure the best possible viewing experience. This section will provide tips and considerations for positioning your projector, choosing the right screen material, and fine-tuning your setup for optimal image quality.
Projector Placement Tips
Height: Position your projector so that the lens is at or slightly above the top of your screen. This helps minimize keystone distortion and ensures that the image is centered on the screen.
Lens Shift: If your projector has lens shift capabilities, use them to fine-tune the image position without moving the projector itself. This is especially useful for achieving a perfectly centered image when the projector is not directly in line with the screen.
Mounting: Use a sturdy projector mount or ceiling bracket to secure your projector in place. Ensure that the mount is compatible with your projector's size and weight, and that it allows for necessary adjustments like tilt, swivel, and roll.
Ventilation: Ensure that your projector has adequate ventilation to prevent overheating, which can lead to reduced lamp life or even damage to the projector. Keep the vents clear and allow for sufficient airflow around the projector.
Cable Management: Use cable management solutions to keep your power, video, and audio cables organized and out of sight. This not only improves the aesthetics of your setup but also reduces tripping hazards and signal interference.
Screen Selection Tips
Screen Material: Choose a screen material that is compatible with your projector's throw ratio and brightness output. For short-throw and ultra-short-throw projectors, consider using a high-gain or angular-reflective screen to maintain image brightness and uniformity.
Screen Size: Select a screen size that is appropriate for your room dimensions and viewing distance. A screen that is too large may overwhelm your space, while a screen that is too small may strain your eyes or fail to provide an immersive experience.
Aspect Ratio: Match your screen's aspect ratio to your projector's native aspect ratio to avoid black bars or image stretching. Most home theater projectors have a native 16:9 aspect ratio, which is compatible with the majority of widescreen content.
Screen Gain: Consider the screen's gain factor, which describes how efficiently it reflects light back towards the viewer. A higher gain screen can provide a brighter image but may have a narrower viewing angle and may show more hotspots or texturing.
Ambient Light Control: Use light-blocking curtains, shades, or blinds to control ambient light in your home theater room. This helps improve image contrast, color accuracy, and overall perceived brightness.
Fine-Tuning Your Setup
Keystone Correction: If your projector is not perfectly aligned with your screen, use keystone correction to adjust the image shape and eliminate distortion. However, keep in mind that excessive keystone correction can degrade image quality, so it's best to minimize the need for it through proper projector placement.
Focus and Zoom: Use your projector's focus and zoom controls to ensure that the image is sharp and properly sized for your screen. Start by adjusting the zoom to fit the image to your screen, then fine-tune the focus for maximum clarity.
Color Calibration: Use your projector's color settings or a professional calibration tool to ensure accurate color reproduction. This may involve adjusting settings like color temperature, gamma, and individual color gains and biases.
Audio Synchronization: If you notice a delay between the audio and video in your setup, use your AV receiver or projector's audio delay settings to synchronize the two. Some projectors also have lip-sync adjustment options to fine-tune the audio timing.
Using AV System Integration Software AV system integration software can be a valuable tool for optimizing your projector placement and screen selection. These tools often provide features like:
Virtual room modeling to help you visualize your setup and identify potential issues before installation.
Throw distance and screen size calculators to ensure that your projector and screen are compatible and optimally sized for your room.
Ambient light control simulations to help you determine the best screen material and gain for your specific lighting conditions.
Projector and screen databases with detailed specifications and user reviews to help you make informed purchasing decisions.
By leveraging AV system integrator tools and following best practices for projector placement and screen selection, you can achieve a truly immersive and optimized home theater experience that showcases the full potential of your chosen projector and screen combination.
When selecting the best projector throw ratio for your home theater setup, you may encounter several common questions and concerns. This section will address some of these issues and provide guidance to help you make informed decisions.
1. Can I use a short-throw projector in a large room? While short-throw projectors are typically designed for smaller rooms or setups where the projector needs to be placed close to the screen, it is possible to use them in larger rooms as well. However, keep in mind that short-throw projectors may have limitations in terms of maximum screen size and brightness output, which can affect image quality in larger spaces.
If you have a large room and want to use a short-throw projector, consider the following:
Choose a projector with a high brightness output (measured in lumens) to ensure that the image is sufficiently bright and visible in a larger space.
Opt for a larger screen size that is compatible with your projector's maximum supported image size to maintain image clarity and detail.
Use a high-gain or angular-reflective screen to help maintain image brightness and uniformity across the larger surface area.
2. Will a long-throw projector work in a small room? Long-throw projectors are designed for larger rooms or setups where there is ample space between the projector and the screen. While it is possible to use a long-throw projector in a smaller room, it may not be the most practical or efficient solution.
If you have a small room and are considering a long-throw projector, keep these points in mind:
You may need to place the projector far back in the room, which can be challenging if space is limited or if there are obstacles like furniture or doorways.
The projected image may be too large for your screen or wall, resulting in an oversized or truncated picture.
You may need to use the projector's zoom function to reduce the image size, which can affect image brightness and clarity.
In most cases, it is more practical and cost-effective to use a short-throw or ultra-short-throw projector in a small room to achieve the desired screen size and image quality.
3. How do I choose the right screen material for my projector's throw ratio? Selecting the right screen material is crucial for optimizing the performance of your projector and achieving the best possible image quality. When choosing a screen material based on your projector's throw ratio, consider the following factors:
Gain: A screen's gain refers to how efficiently it reflects light back towards the viewer. For short-throw and ultra-short-throw projectors, a high-gain screen (1.5 or higher) can help maintain image brightness and uniformity. For long-throw projectors, a lower gain screen (1.0 to 1.3) may be sufficient.
Viewing Angle: The viewing angle describes how wide the screen can be viewed from without significant brightness or color shifts. Short-throw and ultra-short-throw projectors may benefit from angular-reflective screens that help direct light back towards the viewer, while long-throw projectors can work well with wider viewing angle screens.
Texture: The screen's surface texture can affect image clarity and uniformity. For short-throw and ultra-short-throw projectors, a smooth or finely textured surface can help maintain image sharpness and minimize pixelation or screen door effects. Long-throw projectors are more forgiving and can work well with a variety of screen textures.
Consult with your screen manufacturer or use AV system integrator tools to determine the best screen material for your specific projector and room setup.
4. Can I use a projector with a different throw ratio than my screen's specifications? While it is generally recommended to match your projector's throw ratio to your screen's specifications for optimal performance, it is possible to use a projector with a different throw ratio in some cases. However, this may require some adjustments or compromises in terms of image size, brightness, or alignment.
For example, if you have a screen designed for a long-throw projector (1.5:1 or higher) but want to use a short-throw projector, you may need to:
Position the projector closer to the screen than the recommended throw distance, which can affect image geometry and uniformity.
Use the projector's zoom or lens shift functions to adjust the image size and position, which can impact image brightness and clarity.
Accept a smaller image size than the screen's maximum supported size to maintain proper alignment and proportions.
Similarly, if you have a screen designed for a short-throw projector but want to use a long-throw projector, you may need to:
Position the projector farther from the screen than the recommended throw distance, which may require a larger room or special mounting solutions.
Use the projector's zoom or lens shift functions to adjust the image size and position, which can impact image brightness and clarity.
Accept a larger image size than the screen's minimum supported size to maintain proper alignment and proportions.
In general, it is best to choose a projector and screen combination that are compatible and optimized for your specific room and viewing needs. Use AV system integrator tools or consult with a professional installer to determine the best setup for your home theater.
To better understand how projector throw ratios impact real-world home theater setups, let's explore a few case studies and examples of successful installations.
Case Study 1: Living Room Home Theater
Room Size: 15' x 20' (4.6m x 6.1m)
Desired Screen Size: 120" diagonal (2.66m x 1.49m)
Projector: Epson Home Cinema 5050UB (Throw Ratio: 1.35 - 2.84:1)
Screen: Elite Screens Aeon CineGrey 3D ALR (1.2 Gain, 120" diagonal, 16:9 aspect ratio)
In this living room home theater setup, the homeowner wanted a large, immersive screen that could be easily viewed from their existing seating area. By choosing a projector with a flexible throw ratio range and a screen with ambient light-rejecting properties, they were able to achieve a stunning 120" diagonal image that remained bright and clear even in a moderately lit room.
The Epson 5050UB projector was mounted on the ceiling approximately 14 feet (4.3m) away from the screen, using its zoom and lens shift capabilities to fine-tune the image size and position. The Elite Screens Aeon CineGrey 3D ALR screen's 1.2 gain and angular-reflective properties helped maintain image brightness and contrast, while its wide viewing angle ensured that everyone in the room could enjoy a high-quality picture.
Case Study 2: Dedicated Home Theater Room
Room Size: 20' x 25' (6.1m x 7.6m)
Desired Screen Size: 150" diagonal (3.32m x 1.87m)
Projector: Sony VPL-VW995ES (Throw Ratio: 1.35 - 2.90:1)
Screen: Stewart Filmscreen StudioTek 130 G4 (1.3 Gain, 150" diagonal, 16:9 aspect ratio)
For this dedicated home theater room, the homeowner wanted to create a true cinema experience with a large, reference-quality screen and a high-end 4K projector. The Sony VPL-VW995ES projector, with its native 4K resolution and 2,200-lumen brightness output, was the perfect choice for this setup.
The projector was mounted on the ceiling approximately 18 feet (5.5m) away from the screen, using its motorized zoom and lens shift functions to achieve a perfectly aligned and sized image. The Stewart Filmscreen StudioTek 130 G4 screen's 1.3 gain and reference-quality surface coating provided exceptional color accuracy, contrast, and image uniformity, creating a truly immersive viewing experience.
To optimize the room's acoustics and minimize light reflections, the homeowner also installed sound-absorbing wall panels, a dark-colored carpet, and light-blocking curtains on the windows. These additional room treatments helped create a controlled environment that maximized the performance of the projector and screen combination.
Case Study 3: Multi-Purpose Media Room
Room Size: 18' x 20' (5.5m x 6.1m)
Desired Screen Size: 100" diagonal (2.21m x 1.25m)
Projector: BenQ HT3550 (Throw Ratio: 1.13 - 1.47:1)
Screen: Silver Ticket STR-169100 (1.1 Gain, 100" diagonal, 16:9 aspect ratio)
In this multi-purpose media room, the homeowner wanted a versatile setup that could be used for movies, sports, gaming, and casual viewing. The BenQ HT3550 projector, with its 4K resolution, HDR support, and short-throw capabilities, was an ideal choice for this space.
The projector was placed on a media console approximately 8 feet (2.4m) away from the screen, using its zoom and vertical keystone correction to achieve a properly sized and aligned image. The Silver Ticket STR-169100 screen's 1.1 gain and wide viewing angle provided a bright and uniform picture that could be easily viewed from various seating positions throughout the room.
To accommodate different viewing scenarios, the homeowner also installed a motorized screen that could be easily retracted when not in use, allowing the room to be used for other purposes. This setup demonstrated the flexibility and versatility of a well-planned projector and screen combination in a multi-purpose space.
These case studies highlight the importance of selecting the right projector throw ratio and screen material for your specific room and viewing needs. By carefully considering factors like room size, desired screen size, and intended use, you can create a home theater setup that delivers exceptional image quality and an immersive viewing experience.
Choosing the best projector throw ratio for your home theater setup is a critical decision that can significantly impact your overall viewing experience. By understanding the different types of throw ratios, measuring and calculating the ideal ratio for your room, and optimizing your projector placement and screen selection, you can create a stunning home theater that immerses you in your favorite movies, shows, and games.
Throughout this comprehensive guide, we've explored the key factors to consider when selecting a projector throw ratio, including room size, desired screen size, and projector placement options. We've also discussed the advantages and disadvantages of short-throw, long-throw, and ultra-short-throw projectors, as well as the importance of choosing the right screen material and gain for your specific setup.
Additionally, we've highlighted the benefits of using AV system integration software and tools to streamline the planning and installation process, ensuring that your projector and screen are perfectly matched and optimized for your room.
By following the tips and best practices outlined in this guide, you can make informed decisions and create a truly immersive and high-quality home theater experience that rivals the best commercial cinemas.
Remember, the key to success is careful planning, attention to detail, and a willingness to invest in the right equipment and room treatments. Whether you're a casual movie-watcher or a dedicated home theater enthusiast, taking the time to choose the best projector throw ratio and screen for your needs will pay off in the form of stunning visuals, enhanced immersion, and countless hours of entertainment.
So, take the first step towards creating your dream home theater today by assessing your room, determining your desired screen size, and exploring the wide range of projector and screen options available. With the right knowledge and tools at your disposal, you're well on your way to enjoying the ultimate home cinema experience.
What is a projector throw ratio, and why is it important? A projector throw ratio is the distance between the projector and the screen divided by the width of the projected image. It is important because it determines the size of the image that will be projected on the screen based on the distance of the projector from the screen.
How do I calculate the throw ratio for my room? To calculate the throw ratio for your room, measure the distance from the projector's lens to the screen (throw distance) and divide it by the desired width of the projected image. For example, if the throw distance is 10 feet and the desired image width is 5 feet, the throw ratio would be 2:1.
What are the different types of projector throw ratios? There are three main types of projector throw ratios: short-throw (0.4:1 to 1:1), long-throw (1.5:1 to 4:1 or more), and ultra-short-throw (0.1:1 to 0.4:1). Each type is suited for different room sizes and setups.
Can I use a short-throw projector in a large room? While short-throw projectors are typically designed for smaller rooms, you can use them in larger spaces if you choose a projector with high brightness output, opt for a larger screen size, and use a high-gain or angular-reflective screen to maintain image brightness and uniformity.
What screen material should I choose for my projector's throw ratio? When selecting a screen material based on your projector's throw ratio, consider factors such as gain (higher gain for short-throw, lower gain for long-throw), viewing angle (angular-reflective for short-throw, wider angle for long-throw), and texture (smooth for short-throw, varied for long-throw). Consult with your screen manufacturer or use AV system integrator tools for the best recommendations.
Can I use a projector with a different throw ratio than my screen's specifications? While it's generally recommended to match your projector's throw ratio to your screen's specifications, you can use a projector with a different throw ratio by making adjustments to the projector's position, zoom, or lens shift settings. However, this may affect image size, brightness, or alignment.
How do I optimize my projector placement for the best image quality? To optimize your projector placement, ensure that the lens is at or slightly above the top of the screen, use lens shift to fine-tune the image position, secure the projector with a sturdy mount, ensure proper ventilation, and use cable management solutions to keep cables organized and out of sight.
What factors should I consider when selecting a screen size for my home theater? When selecting a screen size, consider your room dimensions, viewing distance (aim for a screen width about half the distance of your furthest viewing position), and the projector's native aspect ratio (16:9 is most common). Also, keep in mind the gain factor, ambient light control, and your personal viewing preferences.
How can AV system integration software help me plan my home theater setup? AV system integration software can help you plan your home theater setup by providing virtual room modeling, throw distance and screen size calculators, ambient light control simulations, and projector and screen databases with detailed specifications and user reviews. These tools can help you make informed decisions and optimize your setup for the best possible viewing experience.
What are some real-world examples of successful home theater setups with different throw ratios? Some real-world examples of successful home theater setups include:
A living room setup with a 120" screen and a projector with a flexible throw ratio range (1.35 - 2.84:1)
A dedicated home theater room with a 150" screen and a high-end 4K projector with a throw ratio of 1.35 - 2.90:1
A multi-purpose media room with a 100" screen and a short-throw 4K projector with a throw ratio of 1.13 - 1.47:1 These setups demonstrate the importance of carefully selecting the right projector throw ratio and screen material for your specific room and viewing needs.