- Focal Length & Maximum Aperture: 50mm 1:1.4
- Lens Construction: 7 elements in 6 groups
- Diagonal Angle of View: 46°
- Focus Adjustment: Overall linear extension system with USM
- Closest Focusing Distance: 0.45m / 1.5 ft.
- Filter Size: 58mm
- Max. Diameter x Length, Weight: 2.9" x 2.0", 10.2 oz. / 73.8 x 50.5mm, 290g