35mm equivalent to a 200mm lens
Pentax Takumar 6x7 400mm f/4 is ultra telephoto prime lens for medium format Pentax 67 cameras.
Version 2: Pentax Super-Takumar 6x7 400mm f/4, produced from 1971 to 1981, optics remain unchained from previous version.
Version 3: Pentax Super-Multi-Coated Takumar 67 400mm f/4, produced from 1981 to 1986, optics remain unchanged from prevous versions.
Posted by: Jose Date of publication: 05.09.2017