Features:
Focal length 50mm, F1.8 maximum aperture. 6 elements in 5 groups. Built-in upgraded chip.
Support for both auto and manual .
distance indicator to help you adjust the distance and depth of .
Support for FX and DX frame , can show the aperture on the EXIF information.
metal mount, more and practical.

Specifications:
Diameter of Filter: 58mm
Type: Standard Prime Lens
Focal Length: 50mm
Maximum Aperture: F1.8
Minimum Aperture: F16
Diagonal Angle of View: ° 
Closest Focusing Distance: 0.45m
Item Size: 7 * 7 * 7.7cm / 2.8 * 2.8 * 3.0in
Item Weight: 208g / 7.3oz

Package List: D11150
1 * Lens
2 * Lens Caps
1 * User Manual(English & Chinese)