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35 mm equivalent focal length. The resulting images from 50 mm and 70 mm lenses for different sensor sizes; 36x24 mm (red) and 24x18 mm (blue) In photography, the 35 mm equivalent focal length is a measure of the angle of view for a particular combination of a camera lens and film or image sensor size. The term is popular because in the early ...
3 – Camera body. A teleconverter (sometimes called tele extender) is a secondary lens mounted between a camera and a photographic lens which enlarges the central part of an image obtained by the lens. For example, a 2× teleconverter for a 35 mm camera enlarges the central 12×18 mm part of an image to the size of 24×36 mm in the standard 35 ...
spectacles .com. Spectacles are smartglasses dedicated to recording video for the Snapchat service. This term is often used to address sunglasses and eyeglasses. They feature a camera lens and are capable of recording short video segments and syncing with a smartphone to upload to the user's online account. They were developed and manufactured ...
So a standard 50 mm lens for 35 mm photography acts like a 50 mm standard "film" lens even on a professional digital SLR, but would act closer to a 75 mm (1.5×50 mm Nikon) or 80 mm lens (1.6×50mm Canon) on many mid-market DSLRs, and the 40-degree angle of view of a standard 50 mm lens on a film camera is equivalent to a 28–35 mm lens on ...
This is a list of smartphones with a telephoto lens that offers a focal length (35mm equivalent) of at least 100mm or "4× optical zoom" with an imaging area equivalent to a 1/3.5″ or larger sensor. Smartphone lenses are often marketed in terms of "optical zoom" [1] relative to the phone's main camera. For example, 120mm is usually referred ...
Lens speed. A fast prime (fixed focal length) lens, the Canon 50mm f/ 1.4 (left), and a slower zoom lens, the Canon 18–55mm f/ 3.5–5.6 (right); this lens is faster at 18mm than it is at 55mm. Lens speed is the maximum aperture diameter, or minimum f-number, of a photographic lens. A lens with a larger than average maximum aperture (that is ...
Keystone (126 and 110 cameras with built-in flash, movie cameras) Kiron Lenses. Konica. Konishiroku (see Konica Minolta) Konica Minolta (as of 2006 may still manufacture on an OEM basis for Sony) Leitz (formerly owned Leica) Leidolf. Lord see Okaya.
210 mm. large format 8 × 10 sheet film. 194 × 245 mm (image area) 312.5 mm. 300 mm. For a 35 mm camera with a diagonal of 43 mm, the most commonly used normal lens is 50 mm, but focal lengths between about 40 and 58 mm are also considered normal. The 50 mm focal length was chosen by Oskar Barnack, the creator of the Leica camera.