UV FILTER 30MM : FILTER 30MM

Uv Filter 30mm : Grey Water Filter Systems.

Uv Filter 30mm


uv filter 30mm
    uv filter
  • This coating is a filter for the harmful UV radiation. The coating is either put on the lens or is imbedded into the lens to protect your eyes for the harmful effect of the sun’s UV radiation.
  • This is an Ultra Violet absorbing filter that helps overcome the abundance of blue in outdoor photographs. Not really necessary in digital photography as the camera's white balance system adjusts for the colour temperature of the scene.
  • UV filters are individual compounds or mixtures to prevent ultraviolet (UV) light from coming through. UV filters are used in sunscreens to protect skin or in photography to reduce haziness or fogginess created by ultraviolet light.
    30mm
  • 30 mm/1.1811 inch caliber ammunition is usually used in autocannon. Such ammunition includes NATO standard 30 ? 173 mm and 30 ? 113 mm and Soviet 30 ? 165 mm ammunition widely used around the world.
uv filter 30mm - Tiffen 30.5MM
Tiffen 30.5MM UV Protector Filter
Tiffen 30.5MM UV Protector Filter
These filters absorb Ultra Violet (UV) light. Film is more sensitive to Ultra Violet light than our eyes. This often shows up as a haze or a bluish cast, especially when shot from high altitudes and from long distances, particularly over water. UV filters also help protect your lens from dust, moisture, fingerprints, scratches and damage from cleaning. Since they absorb no normal light and have no effect on color or contrast, they can be kept on your lens at all times. Tiffen Ultra Violet filters are available in a variety of absorbtion levels and sizes. UV filter ---------- Standard UV. Most popular protection filter. UV MC -------------- Multi coated for extra flare protection. UV Warm ------------ Combines UV with Tiffen's '812' warming filter. Haze 1 ------------- Absorbs 75% of UV light. Haze 2 --------------Absorbs 100% of UV light. Haze 15--------------Absorbs 81% of UV light. Haze 16--------------Absorbs 86.5% of UV light Haze 17 ------------ Absorbs almost all UV light. UV Wide Angle Thin - UV filter for use with wide angle lenses.

86% (13)
The 'California Girl'
The 'California Girl'
Bruce Koch flies 1942 Vultee SNV-1 Valiant, named California Girl, past show center during the 2009 Cleveland Air Show. IMG_0654 The Vultee BT-13 was the basic trainer flown by most American pilots during World War II. It was the second phase of the three phase training program for pilots. After primary training, the student pilot moved to the more complex Vultee for basic flight training. The BT-13 had a more powerful engine and was faster and heavier than primary trainer. It required the student pilot to use two way radio communications with the ground and to operate landing flaps and a two-position variable pitch propeller. It did not, however, have retractable landing gear or hydraulic system. The large flaps are operated by crank-and-cable system. Its pilots nicknamed it the "Vultee Vibrator". Due to the demand for this aircraft, and others which used the same Pratt & Whitney engine, some were equipped with Wright powerplants of similar design and power built in 1941-1942. The Navy adopted the P&W powered aircraft as their main basic trainer, designating it the SNV. Today, some BT's (collectively, BT-13s, BT-15s, and SNVs) are still flying, though in very limited numbers (and none in military or government service). After WWII, virtually all were sold as surplus for a few hundred dollars each. Many were purchased just to obtain their engines, which were mounted on surplus biplanes (such as Stearmans) to replace their less powerful engines for use as cropdusters. The BT frames were then scrapped. The BT-13 production run outnumbered all other Basic Trainer (BT) types. Source: Wikipedia 14 Days until the 2010 Indianapolis Air Show!
Broken UV filter
Broken UV filter
Well, I guess this is exactly why you buy the UV filter. My wife set my D40 (sans lens cap) on the dresser and bumped the lens against the corner of her jewelry box. I could have milked this for just about anything, but I did the honorable thing and showed her how it was easily replaceable.

uv filter 30mm
uv filter 30mm
Sigma 30mm f/1.4 EX DC HSM Lens for Canon Digital SLR Cameras
This large aperture 30mm F1.4 EX DC HSM lens is designed to match the APS-C size image sensors of digital SLR cameras. Two SLD glass elements are especially effective in the compensation of magnification chromatic aberration. Glass mold aspherical lens at rear group of lens reduces color aberration and provides high-quality image results. From 40cm (15.7") minimum focusing distance to infinity, this lens creates very sharp images with high contrast. The HSM models provide quiet high-speed auto-focus shooting, as well as full-time manual focus. Large Maximum Aperture of F1.4 can perform superbly in a great range of applications, including snapshots, portraiture, indoor shooting and landscape photography. Please Note: Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras.

Designed to match the APS-C size image sensors of Canon digital SLR cameras, the Sigma 30mm f/1.4 lens is an ideal choice for a wide range of applications, including snapshots, portraiture, indoor shooting, and landscape photography. The 30mm lens relies on two special-low-dispersion glass elements and a glass-mold aspherical lens. Combined, the construction details correct for all types of chromatic and color aberrations. The lens is also equipped with a Hyper Sonic Motor (HSM) that supports quiet, high-speed autofocus, but also turns off should you prefer full-time manual focusing. Other features include a maximum aperture of f/1.4, a 62mm filter mount, and a one-year warranty.
Specifications

Focal length: 30mm
Maximum aperture: f/1.4
Lens construction: 7 elements in 7 groups
Angle of view: 45 degrees (SD format)
Number of diaphragm blades: 8
Minimum aperture: f/16
Minimum focusing distance: 15.7 inches
Maximum magnification: 1:10.4
Filter size: 62mm
Corresponding AF mounts: Canon
Dimensions: 2.97 inches in diameter and 2.3 inches long
Weight: 15.2 ounces
Warranty: 1 year

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