Outer Dimension: 96x99mm

Lens Board Type: Recessed

Copal Size: #0 

Material: Aluminum alloy anodized

Recessed Deep: 21mm or 0.83"

Recessed Area Opening: 80mm or 3.15"

Compatible: For Linhof Technika, Wista, Chamonix, Toko, Shen Hao, Ebony, Tachihara etc...