Macro / pentax-645 / Pentax 645
The smc P-A Macro 100mm F2.8 is an autofocus macro lens for the Pentax 645 series.
It supports the 645-format system and offers a normal-to-medium-telephoto angle of view with a focal length suited to macro photography.
Also check the specifications marked on the individual lens for details such as compatible camera bodies and magnification.