CAMERA LENS TEST CHART : CAMERA LENS

CAMERA LENS TEST CHART : BEST DIGITAL SLR CAMERA DEALS.

Camera Lens Test Chart


camera lens test chart
    camera lens
  • A camera lens (also known as photographic lens, objective lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically
  • a lens that focuses the image in a camera
    chart
  • Make a map of (an area)
  • a visual display of information
  • a map designed to assist navigation by air or sea
  • Plot (a course) on a chart
  • Record on a chart
  • make a chart of; "chart the territory"
    test
  • Give (someone) a short written or oral examination of their proficiency or knowledge
  • any standardized procedure for measuring sensitivity or memory or intelligence or aptitude or personality etc; "the test was standardized on a large sample of students"
  • Take measures to check the quality, performance, or reliability of (something), esp. before putting it into widespread use or practice
  • put to the test, as for its quality, or give experimental use to; "This approach has been tried with good results"; "Test this recipe"
  • Reveal the strengths or capabilities of (someone or something) by putting them under strain
  • trial: trying something to find out about it; "a sample for ten days free trial"; "a trial of progesterone failed to relieve the pain"
camera lens test chart - Datacolor DC
Datacolor DC SLC100 SpyderLensCal Lens Calibration System
Datacolor DC SLC100 SpyderLensCal Lens Calibration System
SpyderLensCal provides a fast, reliable method of measuring the focus performance on your camera and lens combinations. It allows photographers to obtain razor-sharp focusing or check to see that their lenses are working at their peak performance. This device is compact, lightweight and durable, with integrated level and tri-pod mount. Photographers have enjoyed the benefit of autofocus for 25 years now, but many still struggle with its accuracy and repeatability. Auto-focus is a great convenience, especially in fast shooting situations. Many newer DSLR cameras now offer a method to correct this issue: they allow you to store auto-focus correction data for several of your most important lenses. This feature is likely to become more common, and appear in other camera types. SpyderLensCal was designed to aid in correcting the auto-focus on your camera and lens combinations and storing them in your camera’s custom settings. System Requirements: DSLR or other camera with capability to store lens auto-focus corrections: Auto-focus lenses capable of being driven by this camera: No OS requirements, as the tool works entirely within the camera’s menu.

89% (14)
Test chart for three Nikon AF-S VR lenses
Test chart for three Nikon AF-S VR lenses
Promised followup to earlier test chart images. This test was performed with a printed A4 USAF-1951 test chart at ~10m distance. The lenses used are: The "kit lens" 55-200 VR AF-S G The 18-200 VRII AF-S lens The 70-200 VRII F2.8 AF-S lens AFtune OFF for this set of tests VR OFF Mirror-Up shutter mode Tripod mounted Outdoor illumination. Caveats: Intermittent sun and cloud Probably should crop out only the inner groups to show the actual variation. Probably should repeat indoors. Should use the Lens-Align gadet on each lens rather than USAF1951 The camera to target range was considerable larger for this test set as I had heard that it was best to test the 18-200 at at least 10metres(30ft). Notes: Interesting to see that the magnification (i.e. the actual effective focal length) varies between these three lenses and that the apparent lowest is the "18-200". Despite this (one-off test) the 18-200 is still my normal carry-about lens :-). Any comments? Anyone agree or disagree with this test ?
Canon 7D / Pentax K-r ISO Comparison
Canon 7D / Pentax K-r ISO Comparison
This test is setup to show how each camera handles high ISO sensitivity. The Canon 7D is on top with a Sigma 30mm f/1.4 lens and the Pentax K-r is on the bottom with the 18-55mm 3.5-5.6 kit lens. Starting on the left the ISO goes from 1600 to 12800. The Pentax natively handles 12800, whereas it is simulated in the 7D, but I decided to include it for comparison. One of my first impressions is how much more accurate/consistent the white balance is for the Pentax. Both cameras handled the ISO noise pretty well, but I think I prefer the results rendered by the Pentax, surprisingly. After running this test I made the NR more aggressive on the Pentax, which I feel, will further improve the acceptability of the higher ISO results.

camera lens test chart
camera lens test chart
Mennon Test Color Chart Super Large Size 15"x10"
The mennon Test Chart for Color Rendition (TCCR) is a test and calibration tool to help photographers to recognize and evaluate color deviations in pictures easily and to adjust them fast and efficiently.Following the de facto industrial standard for 24-colors test targets, the mennon Test Chart for Color Rendition (TCCR) comprises six greyscale tones and 18 colored patches. Six of the 18 Color Patches represent natural objects of special interest, such as skin tones, leaf green and blue sky. Six patches show additive (Red-Green Blue) and subtractive (Cyan-Magenta-Yellow) primary colors, and six are a combination of two primary colors.On the Backside you find the RGB value of each patch, determined with defined monitor calibration and under defined lighting conditions.The mennon TCCR is suited for professional use (also outdoors), because the patches are water-resistant and protected by their single mounting inside stable frames.

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