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Roof prism. A roof pentaprism used in Single-lens reflex cameras; the lower right face is the roof ( dach ). A roof prism, also called a Dachkanten prism or Dach prism (from German: Dachkante, lit. "roof edge"), is a reflective prism containing a section where two faces meet at a 90° angle, resembling the roof of a building and thus the name.
The viewfinder used by the AE-1 is Canon's standard split image rangefinder with microprism collar focusing aids. The camera will not function without a battery (one 4LR44 or 4SR44 cell), including the shutter and lightmeter. Design history Canon AE-1 detail. The AE-1 was the first in what became a complete overhaul of Canon's line of SLRs.
Šidák correction for t-test. One of the application of Student's t-test is to test the location of one sequence of independent and identically distributed random variables. If we want to test the locations of multiple sequences of such variables, Šidák correction should be applied in order to calibrate the level of the Student's t-test.
Website. efi.com. Electronics for Imaging, Inc. ( EFI) is an international company based in Silicon Valley that specializes in digital printing technology. Formerly located in Foster City, California, the company is now based in Fremont. On July 1, 2015, EFI entered the textile printing marketing with the acquisition of Italian digital textile ...
Gamma correction is a type of power law function whose exponent is the Greek letter gamma ( γ ). It should not be confused with the mathematical Gamma function. The lower case gamma, γ, is a parameter of the former; the upper case letter, Γ, is the name of (and symbol used for) the latter (as in Γ ( x )).
The Canon "quick loader" in a Canon FTb. FT QL with Canon FD 135mm f/3.5 lens. The Canon FT QL is a 35mm single-lens reflex camera introduced by Canon Inc. in March 1966. It has a Canon FL lens mount compatible with the large range of FL series lenses. The FT can also operate the later Canon FD series lenses in stop-down mode, but the earlier R ...
Basics of image editing. Raster images are stored in a computer in the form of a grid of picture elements, or pixels. These pixels contain the image's color and brightness information. Image editors can change the pixels to enhance the image in many ways. The pixels can be changed as a group, or individually, by the sophisticated algorithms ...
Dimensions. 96.6 × 146.7 × 48.3 mm. Weight. 795 g. Made in. Japan. The Canon New F-1 replaced the F-1n (an upgraded F-1) as Canon 's top-of-the-line 35mm single-lens reflex camera in September 1981. Like the earlier models, the New F-1 takes FD-mount lenses. Although no date has ever been confirmed, it is thought that the last New F-1 was ...