1. Filter size: 55mm
2. Lens type: standard fixed focus
3. Maximum aperture: F1.4
4. Minimum aperture: F22
5. Focal length: 50mm
6. Weight: 280g
7. Bayonet: suitable for Canon/Nikon
8. Filter diameter: 95mm
9. The closest focusing distance: 0.45M
10. Lens positioning: full-frame lens
11. Lens structure: 7 elements in 6 groups
12. Lens variety: mirrorless lens
13. Lens purpose:: portrait, photo