Pentax FA 645 28-45mm f/4.5 ED AW SR Lens Nikon (Direct) To further reduce the possibility

To further reduce the possibility of vignetting when this filter is in use

one high refractive index

DMF (Direct Manual Focus) gives you the ability to instantly switch to manual focus while in autofocus mode

Ilford Ilfotol is a non-ionic wetting agent used as a final rinse before drying films

Pentax FA 645 28-45mm f/4.5 ED AW SR Lens Nikon (Direct) To further reduce the possibilityThe HD PENTAX DA645 28 45mm f 4. 5 ED AW SR Lens from Pentax provides users of the 645D or 645Z with a weather resistant, ultra wide angle zoom lens with a 35mm equivalent focal length of 22 35. 5mm. This lens features the 645AF2 mount for electronic aperture control and autofocus with an internal DC motor. Also, it has a constant maximum aperture of f 4. 5 throughout its zoom range and uses extra low dispersion glass elements to limit the effects of