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While the "(D)" designation is used on the box and in the documentation, the lenses just feature a "D" instead. Requires 8 lens contacts; lenses with only 5 contacts cannot support this feature. DT "Digital Technology", lenses for cameras with APS-C (or Super-35mm) size sensors, only. DT lenses will not fully illuminate the sensor/film area of ...
Long-term contact lens use can lead to alterations in corneal thickness, stromal thickness, curvature, corneal sensitivity, cell density, and epithelial oxygen uptake, etc. Other changes may include the formation of epithelial vacuoles and microcysts (containing cellular debris) as well as the emergence of polymegethism in the corneal endothelium.
The company was set up as a U.S. subsidiary of Kino Precision Industries Limited, Tokyo, Japan and registered as a trademark on Jan 25 1980, [1] in order to market manually focused film camera optical lenses to the United States. Kino Precision was founded in 1959 by Tatsuo Kataoka to manufacture lenses for 8mm movie cameras. Originally, Kino ...
Mamiya Automatic 35 EEF (Tower 39, Tower 41) (1961) — zone focus system. Mamiya EE Merit (Honeywell Electric Eye) (1962) — zone focus system. Mamiya 135 EF (1979) — zone focus system. Mamiya 135 AF (1980) — auto-focus. Mamiya U (1981) — zone focus system. Mamiya 135 EF2 (1982) — zone focus system.
The following lenses have either manually or electronically actuated apertures and can report the aperture value and focal length for inclusion in Exif data and SteadyShot calculations. Full-frame lenses. Meike 85mm f/1.8 (no aperture ring) Tokina. FíRIN 20mm F/2.0 FE MF; Viltrox PFU RBMH 85mm f/1.8 (no aperture ring) Voigtländer
Orthokeratology lens. Orthokeratology, also referred to as Night lenses, Ortho-K, OK, Overnight Vision Correction, Corneal Refractive Therapy (CRT), Accelerated Orthokeretology, Cornea Corrective Contacts, Eccentricity Zero Molding, and Gentle Vision Shaping System (GVSS), is the use of gas-permeable contact lenses that temporarily reshape the cornea to reduce refractive errors such as myopia ...
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