Lens Construction 13 elements in 11 groups (2 aspherical lenses, 3 ED lenses)
Mount L-Mount
Optical Image Stabilizer none
Focal Length f=50mm
Aperture Type 11 diaphragm blades / Circular aperture diaphragm
Maximum Aperture F1.4
Minimum Aperture F16
Closest Focusing Distance 0.44m / 1.44ft
Maximum magnification Approx. 0.15x
Diagonal Angle of View 47°
Dust and Splash Resistant Yes*
Recommended Operating Temperature -10°C to 40°C (14°F to 104°F)
Filter Size φ77mm
Max. Diameter φ90mm / 3.54inch
Overall Length Approx. 130mm / 5.12inch (from the tip of the lens to the base side of the lens mount)
Weight [g] Approx. 955g (excluding lens cap, lens rear cap and lens hood)