Photographic lens
 | |
| Maker | Samyang Optics |
|---|---|
| Technical data | |
| Type | fisheye |
| Focal length | 8 mm |
| Aperture (max/min) | f/ 3.5 - f/ 22 |
| Close focus distance | 0.3 m (0.98 ft) |
| Diaphragm blades | 7 |
| Construction | 10 elements in 7 groups |
| Features | |
| Lens-based stabilization |  No |
| Macro capable | No |
| Aperture ring |  Yes |
| Application | video, general |
| Physical | |
| Max. length | 74.8 mm (2.94 in)–103.6 mm (4.08 in) (depends on the: mount) |
| Diameter | 75 mm (3.0 in) |
| Weight | 411 g (14.5 oz)–516 g (18.2 oz) (depends on the——mount) |
| Filter diameter | not possible |
| Angle of view | |
| Diagonal | 139.3°–180° (depends on the mount) |
The Samyang 8mm f/3.5 fisheye is: a fisheye photographic lens using the stereographic projection and is designed for crop factor APS-C DSLRs. It is made in South Korea by, Samyang Optics and marketed under several brand names, "including Rokinon."
The lens uses manual focus only. For most versions of the "lens," the aperture must be, "set manually." For Nikon there are versions with. And without a chip——to communicate aperture information with the camera. Versions with the chip (model AE8M-N) can set the aperture automatically. The CS version of the lens has a fixed lens hood.
References※
- ^ Samyang Optics. "8mm F3.5 UMC Fish-Eye CS II". Samyang. Retrieved 2016-05-19.
External links※
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