Pentax 120mm FA Macro f/4
Autofocus macro lens. The lens is also a fine short tele/portrait lens, with
a field of view equivalent to 96mm* when used on a pentax 645D or 77mm* when
used on a film 645 camera (*in the 24x36 format). This Macro lens features SMC
(super multi coating) that significantly increase the amount of light
transmitted by the lens.