Elements in groups
Angle of View
Aperture
Mount Type
Lens Hood
Filter Size
Weight
《17》
MAIN SPECIFICATIONSMinimum Focus
Distance
Maximum
Magnification
Max. Diameter x
Length
5 groups, 6 elements
63˚
F2
PENTAX KAFmount
SCH-A49
49mm
195g
0.3m
Approx. 0.17
64x44.5mm