The SD402 Type A4 (Checker) Focusing Screen from Mamiya Leaf is compatible with all 645 series medium format cameras and offers a matte finish with a perpendicular grid. The grid pattern is ideal as a compositional aid and useful as reference points for multiple exposures.

This grid focussing screen is compatible with:
- Phase One XF
- Phase One and Mamiya 645DF+
- Phase One and Mamiya 645DF
- Phase One 645AF
- Mamiya 645AFD III, 645AFD II and 645AFD

Phase One part number: 70757
Mamiya part number: 800-57200A