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Rolleiflex SL35 (black) with 50 mm f /1.8 Planar lens The Rolleiflex SL35 was a line of 35mm SLR cameras which were developed and built by Rollei from the 1970s until the 1990s. The first camera in the range was the SL35, released in 1970 as the first 35mm SLR produced by Rollei .
Scleral lens. Side view displaying vaulted area of a scleral lens. A scleral lens, also known as a scleral contact lens, is a large contact lens that rests on the sclera and creates a tear -filled vault over the cornea. Scleral lenses are designed to treat a variety of eye conditions, many of which do not respond to other forms of treatment.
Field-sequential color cameras were used on the Apollo lunar landing cameras which transmitted color television images from the Moon during missions from 1969 to 1972. Early Space Shuttle flights (from 1981 to 1995) used cameras with interchangeable lenses. For color transmissions, a field-sequential color system was built into the lens assembly.
Catadioptric lenses do, of course, still contain lenses, and these lenses do still have a dispersive property. Zoom lenses may scatter more light through their more complicated optical systems than prime lenses , that is, lenses of fixed focal length; for example, an infrared photo taken with a 50 mm prime lens may have more contrast than the ...
EnChroma lenses are designed, manufactured, marketed and distributed by EnChroma, inc. in Berkeley, California. EnChroma glasses were invented incidentally in 2002 by Donald McPherson while trying to develop lenses to protect and aid surgeons during laser operations. The company received a grant from the NIH in 2005 and the glasses were ...
Contax G1 with Planar T* f2 45 mm. The G series was a unique 35 mm autofocus rangefinder system with interchangeable lenses. Rather than displaying a typical rangefinder focusing patch and brightlines, the first G1 had a zooming viewfinder with a focus confirmation light activated by the autofocus system if manual focus was required.
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