Attention! For your device is available official mobile app "All Photo Lenses" from AllPhotoLenses.com.
Download it and you will be able to work with the lens database is much faster and easier.
Not now Details
Pentax SMC-M* 67 400mm f/4 ED (IF) is ultra telephoto prime lens for medium format Pentax 67 cameras.
Construction and optical elements different from previous versions.