M42-mount: Compatible with M42-Mount camera and other modern cameras with adapter.
(Note: Adapter Ring is sold Separately, Not included in the package)

Specification:
Focal length: 250mm    
Fixed aperture: F5.6
Frame: Full Frame    
Filter size: 67mm
Optical Design: 6 Elements in 5 Groups    
Closest focus distance: 2m
Focus method: Manual
Weight: Around 380g    
Angle of view: 10°
Mount: M42

Packing List:
1* TTartisan 250mm F5.6 Lens
1* 67mm Lens filter
1* Lens Hood
1* Rear Cap
1* Front Cap
1* Box
1* Cleaning Cloth