Pentax FA 300mm F4 ED IF

Technical Specifications
Equivalent to 35mm format    240mm
Maximum aperture    f/4
Minimum aperture    f/32
Angle of View    13.5°
Construction    8 elements in 8 groups
Smallest object distance/magnification    3m
Magnification    0.11X
Filter size    77mm
Weight    1490g
Dimensions (Length x Diameter)    207.5x83mm