PE 105mm F/4.5 1:1 Macro

Offering 1:1 magnification without any extension tubes or bellows, the PE105 macro is a true flat field lens. Though designed to be used at close distances, this lens will yield superb resolution even at infinity.
 
Lens Construction 8 groups / 9 elements
Angle of View 36.9
F stop range F/4.5 - 32 (with half stop detents)
Diaphragm Fully Automatic
Minimum Focus Distance 13.8 inches (0.35m)
Shutter Seiko #0 (electronic control) plus T (time exposure) & B (bulb)
Filter Size 67mm screw - in type
Lens hood Bayonet-type (included)
Size 104mm x 86mm / 4.1 in x 3.4 in
Weight 920g / 32.9 oz.