resolving power test chart

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• 1951 USAF Resolution Test Chart — is a resolution test pattern conforms to MIL STD 150A standard, set by US Air Force in 1951. It is still widely accepted to test the resolving power of optical imaging systems such as microscopes and cameras, although MIL STD 150A was cancelled… …   Wikipedia

• USAF-Chart — Das USAF Chart aus dem Jahre 1951 Das USAF Chart (auch: USAF Resolution Test Chart, USAF 1951 Resolving Power Test Target, deutsch etwa: „USAF Auflösungstesttafel“) wurde im Jahre 1951 von der USAF, also den Luftstreitkräften der Vereinigten… …   Deutsch Wikipedia

• Visual acuity — 20/15 and 20/15 vision redirect here. For other uses, see 2020 (disambiguation). Typical Snellen chart used for visual acuity testing. Visual acuity (VA) is acuteness or clearness of vision, which is dependent on the sharpness of the retinal… …   Wikipedia

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• Photographic lens — A photographic lens (also known as 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… …   Wikipedia

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• Calendar of 1996 — ▪ 1997 JANUARY JANUARY 1       King Fahd cedes power       Still experiencing the effects of a stroke suffered in November 1995, Saudi Arabia s King Fahd, who also held the post of prime minister, ceded temporary power to Crown Prince Abdullah,… …   Universalium

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