- Focal length up to 500 mm: 106mm
- Focal length 510-600 mm: 101mm
- Focal length 610-700 mm: 96mm
- Focal length 710-800 mm: 91mm
- Focal length 810-950 mm: 88mm
- Focal length from 1000 mm: 87mm
- M69-M48: Adaption to M48 with 36.5 mm length
- M69a-M68a: Adaption to M68 with 5.3 mm length