TheKenko Tokina was one of three firms that announced that they would be joining the growing list of manufacturers employing the Micro Four Thirds system standards. Tokina, a Japanese firm that produces a range of photographic supplies and optical products, also revealed their new 11-16mm f2.8 lens, the AT-X 116 PRO DX II, just last week.
The manufacturer is apparently on a roll with their announcement of a new 400mm f/8 Mirror Lens that will be compatible with Micro Four Thirds, Sony NEX, Nikon F, Canon EF , Sony Alpha and Pentax K mounts.
The Kenko 400mm f/8 mirror lens measures 112mm in length for the Micro Four Thirds and Sony’s NEX system. The lens is even more compact at 82mm for the Canon EF, Nikon F and Pentax K mounts. The new Kenko is a manual-focus lens that is equipped with a fixed aperture and a machined aluminium barrel. Here are more of its specs:
Focal length: 400mm
Brightness: F8 (fixed)
Lens Construction: Six Group 2
Angle of view: 6 ° 8 ‘
Greatest dimension: 74mm
Filter Size: 67mm
Minimum focusing distance: 1.15m
The maximum magnification close-up: 1: 2.5
Focus Mode: Transfer to the front lens manual focus mode
Aperture blades: Without
Hood: Exclusive hood KF-M400HOOD-BK
Mount: Using T-mount
The lens will be released in Japan on February 3, 2012.