PENTAX SMC FA 645 80-160mm F4.5

Pentax 645 Mount
63-126.5mm (35mm Equivalent)
Aperture Range: f/4.5-32
Extra-Low Dispersion Glass Elements
Super Multi Coating
Construction: 11 Elements / 10 Groups
Minimum Focus Distance: 3.3'
Eight Blade Diaphragm
Front Filter Thread: 77mm
Petal-Shaped Lens Hood