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M4 – 1967–1975 (50,000 sets were manufactured); 1974–75 (6,500 sets were manufactured). With added rangefinder frame lines for 35mm and 135mm lenses. Introduced the canted rewind crank (the previous Ms had rewind knobs). The M5 was the last M camera to have a self-timer. M5 – 1971–1975 (31,400 sets were manufactured).
The M9 uses an 18.5-megapixel Kodak (KAF-18500) CCD image sensor that was developed specifically for the camera. [1] The M9 boasts frameline pairs for 28/90, 35/135 and 50/75 and it supports most M-mount lenses—with only a few older models not suitable due to protruding elements of the lens into the camera body.
121 mm × 76 mm × 32 mm (4.8 in × 3.0 in × 1.3 in) Weight. 365 g (12.9 oz) The Leica CL is a 35mm compact rangefinder camera with interchangeable lenses in the Leica M-mount. It was developed in collaboration with Minolta who manufactured it. It first appeared in April 1973 and was released in the Japanese market in November 1973 as the ...
The pinhole camera model describes the mathematical relationship between the coordinates of a point in three-dimensional space and its projection onto the image plane of an ideal pinhole camera, where the camera aperture is described as a point and no lenses are used to focus light. The model does not include, for example, geometric distortions ...
Aperture. In biology, the pupil (appearing as a black hole) of the eye is its aperture and the iris is its diaphragm. In humans, the pupil can constrict to as small as 2 mm ( f/ 8.3) and dilate to larger than 8 mm ( f/ 2.1) in some individuals. In optics, the aperture of an optical system (including a system consisted of a single lens) is a ...
In his discussion of lexical aspect, Bernard Comrie included the category semelfactive or punctual events such as "sneeze". His divisions of the categories were as follows: states, activities, and accomplishments are durative, but semelfactives and achievements are punctual.
A single-lens reflex camera ( SLR) is a camera that typically uses a mirror and prism system (hence "reflex" from the mirror's reflection) that permits the photographer to view through the lens and see exactly what will be captured. With twin lens reflex and rangefinder cameras, the viewed image could be significantly different from the final ...
The history of the single-lens reflex camera (SLR) begins with the use of a reflex mirror in a camera obscura described in 1676, but it took a long time for the design to succeed for photographic cameras. The first patent was granted in 1861, and the first cameras were produced in 1884, but while elegantly simple in concept, they were very ...