Mount : PENTAX Kaf
Lens Construction : 10 elements in 12 groups
Angle of View : 32 degrees - 8.2 degrees
Min. Aperture : F32 at 75mm / 38 at 300mm
Min. Focusing Distance : 1.3m
Max. Magnification (macro range) : 0.3X
Filter Size : 58mm
Diameter & Length : 69mm x 116mm
Weight : 385g