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"Digital Technology", lenses for cameras with APS-C (or Super-35mm) size sensors, only. DT lenses will not fully illuminate the sensor/film area of 24×36mm full-frame cameras. Three DT lenses were made and sold by Konica Minolta: 11–18, 18–70, and 18–200mm. G "Gold" series, Minolta's line-up of high-grade lenses.
35 mm equivalent focal lengths are calculated by multiplying the actual focal length of the lens by the crop factor of the sensor. Typical crop factors are 1.26× – 1.29× for Canon (1.35× for Sigma "H") APS-H format, 1.5× for Nikon APS-C ("DX") format (also used by Sony, Pentax, Fuji, Samsung and others), 1.6× for Canon APS-C format, 2× for Micro Four Thirds format, 2.7× for 1-inch ...
H-Mount 55 mm 35 mm: 47 mm 0.75 mm Screw Photography Hanimex (rebranding of Tokina M47) Panavision PV: 57.15 mm 35 mm: 49.5 mm Breech lock Cinematography B3-mount: 58 mm 2/3" Reverse bayonet Video Ikegami Mitchell BNCR: 61.468 mm 35 mm: 68 mm Breech lock Cinematography Zeiss Panflex 5522/23 for Contax RF: 64.50 mm 35 mm: Double bayonet ...
The AR-mount features a relatively short flange focal distance of 40.50 mm for a 35 mm film SLR camera. Its diameter is 47 mm. [ 3 ] The focal lengths offered by Konica ranged from 21 mm to 2000 mm along with a 15 mm fisheye lens ; from the start, one zoom, the 47-100mm f3.5 Hexanon AR-H , was offered.
A data back, Dial Data MX, and a bulk film back were also produced, as were motorised winders Winder MX (2 frame/s) and Motor MX (5 frame/s). Like all post- 42mm screwmount Pentax cameras, the MX accepts all K-mount lenses (with the exception of the newer FA-J and DA lenses without aperture rings).
For example, a 28 mm lens is a wide angle lens on a traditional 35 mm camera. But the same lens on an APS-C camera, with a lens factor of 1.6× (relative to a standard full-frame 35 mm format camera), has the same angle of view as a 45 mm (28 mm × 1.6 lens factor) lens on a 35 mm camera—i.e. a normal lens. [20]
The A3 camera consists of dual CCDs with two 300mm lenses mounted on a special motor controlled axis that is attached to the frame, a fast compression and storage unit, and a dual frequency GPS. During flight, sequences of frames are exposed in a cross-track direction at a very high speed, providing a FOV of up to 106 degrees.
The T-mount is a standard lens mount for cameras and other optical assemblies. The usual T-mount is a screw mount using a male 42×0.75 (42 mm diameter, 0.75 mm thread pitch) metric thread on the lens with a flange focal distance of 55 mm and a mating female 42mm thread on a camera adapter or other optical component.