This Auto Focus Telephoto lens features Inner Focusing and SMC (super multi coating). SMC describes seven microscopically thin layers of high quality coatings that are applied to the lens elements. smc coatings significantly increase the amount of light transmitted by the lens. Compatible with both film and digital PENTAX 645 cameras.
smc FA 645 200mm F4 (IF) – Specifications
|Equivalent to 35mm format||160mm|
|Angle of View||20°|
|Construction||6 elements in 5 groups|
|Smallest object distance/magnification||1.5m|
|Dimensions (Length x Diameter)||119×74.5mm|