35mm equivalent to a 400mm lens.
Rear filter: 67mm;
Front filter: 128mm
Pentax SMC 6x7 800mm f/6.7 ED is ultra telephoto prime lens for medium format Pentax 67 cameras.
Version 2: Pentax SMC-M* 67 800mm f/6.7 ED (IF), produced from 1989 to ??, optics remain unchanged from previous version.
Posted by: Jose Date of publication: 05.09.2017