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Lens caps or covers are often lost, they are not a high value item among photographers, especially professionals, photographers at large events or in large crowds may drop their lens caps and fail to retrieve them, leading to a litter of lens caps. [citation needed] A lens cap may be tethered to the camera via a string to avoid losing it. Aside ...
Soligor was originally the trade mark for the American Allied Impex Corporation, used from 1956 for lenses and later cameras imported from Japan. It imported cameras from Japan and also took control of companies in Japan. Among the first products was Miranda T camera and Soligor lenses. [1]
Lens hoods may also be used to protect the lens from scratches and the elements without having to put on a lens cover. The geometry of a lens hood is dependent on three parameters: the focal length of the lens, the size of the front lens element and the dimensions of the image sensor or film in the camera.
18 mm "Pan Focus" lens was a compact lens of fixed focus set to the hyperfocal distance; the short focal length and wide aperture meant that its depth of field stretched from 1.75 m (5.7 ft) to infinity. The camera aperture needed to be set at f/6.3 for this lens to work as intended,(Filter diameter: 30.5 mm)
Uncoated glasses lens (top) versus lens with anti-reflective coating. The reflection from the coated lens is tinted because the coating works better at some wavelengths than others. An antireflective , antiglare or anti-reflection ( AR ) coating is a type of optical coating applied to the surface of lenses , other optical elements, and ...
In addition, the same bellows are used for a certain size across all series, so changing format within a series is also possible. For example, the bellows used for all 4×5 cameras is coded 452.11; changing any 4×5 camera to a 5×7 camera would require a new bellows (452.17) along with an appropriate rear standard, frame, and film holder.