1. Lens variety: Additional lens
2. Lens type: Extender
3. Maximum aperture: F1
4. Minimum aperture: F1
5. Material: Optical glass + metal frame + coating
6. Shooting angle: 2.2X teleconverter
7. Weight: 400g
8. Filter diameter: 72
9. Lens structure: 2 groups 2 elements
10. Lens positioning: APS format lens
11. Filter size: 2.2X teleconverter
12. Packing list: Lens, lens bag, packing box
