Projection Lenses are for slides and AV presentations.
December 13, 2001 - Multi-element slide/AV projection lenses are available in format sizes of 24 x 36mm and 38 x 38mm. Lenses are of 3, 4, 5, 6, 7, 8, 9 and 14-glass element designs, mounted in compact, durably constructed metal or plastic housings. They have 42.5 or 52.5mm mount diameters, helical groove or focusing rack, fixed focal lengths and speeds from 26mm f/2.8 to 250 f/4.0. Variable focal lengths and speeds range from 70mm f/2.8 to 300mm f/3.5.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
Docter Optics Inc.
1201 S. Alma School Rd., Suite 7550
Mesa, AZ, 85210
USA
Slide/AV Projection Lenses
Docter Optics has recently introduced a new, high-performance line of multi-element slide/av projection lenses that are designed for format sizes of 24mm x 36mm and 38mm x 38mm. The lenses are of 3, 4, 5, 6, 7, 8, 9 and 14-glass element designs, mounted in compact, durably constructed metal or plastic housings, with 42.5mm or 52.5mm mount diameters, helical groove or focusing rack, fixed focal lengths and speeds from 26mm f/2.8 to 250 f/4.0, variable focal lengths and speeds from 70mm f/2.8 to 300mm f/3.5. The lenses provide high light transmission, brilliant contrast and brightness across the entire color spectrum and projected image.
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