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Ponder and Best were the first to gain acceptance for lenses with interchangeable mounts, allowing customers to use the same lens on different manufacturers' camera bodies. Original Vivitar logo, used until 2016. In the early 1960s, the partners created the "Vivitar" brand to compete with major lens manufacturers.
Auto-focus available for all "screw-drive" lenses, but no power contacts for power zoom or the later lenses with built-in focus motors. Aperture and shutter information visible in the viewfinder. Focus confirmation in the viewfinder for all lenses of f/5.6 or wider. 17 Custom Functions to help configure the camera to individual preferences.
First workshop of Carl Zeiss in the center of Jena, c. 1847 Carl Zeiss Jena (1910) One of the Stasi's cameras with the special SO-3.5.1 (5/17mm) lens developed by Carl Zeiss, a so-called "needle eye lens", for shooting through keyholes or holes down to 1 mm in diameter 2 historical lenses of Carl Zeiss, Nr. 145077 and Nr. 145078, Tessar 1:4,5 F=5,5cm DRP 142294 (produced before 1910) Carl ...
Helios 44-2 lens mounted on a Praktica MTL 5B Helios 44M-4 lens, 58mm f/2, in M42 screw mount Helios 40-2 Helios 81M 53mm f/2 lens mounted on Kiev 19. Helios (Russian: Ге́лиос) was a type of camera lenses, made in the USSR. They were usually supplied with Zenit cameras and thus usable with other M42 lens mount cameras such as the Pentax ...
Effective IOL implants also eliminate the need for glasses or contact lenses post-surgery for most patients. [5] The cataract will not return, as the lens has been removed. The disadvantage is that the eye's ability to change focus (accommodate) has generally been reduced or eliminated, depending on the kind of lens implanted. [citation needed]
The Nikon F-mount is a type of interchangeable lens mount developed by Nikon for its 35mm format single-lens reflex cameras.The F-mount was first introduced on the Nikon F camera in 1959, and features a three-lug bayonet mount with a 44 mm throat and a flange to focal plane distance of 46.5 mm.
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