Universal Donut Adapter Ring (for 60mm to 95mm lenses)

Ideal for DSLR or other external focus lenses

Can be used on almost any lens with a front outer diameter between 60 & 95mm

Useful for lenses where the front element moves inward & outward

Can be used in Cavision 4x4 & 4x5.65 matte boxes with the back-mount stepped down to 100mm (using ARP series adapter rings)

Fits into matte box back-mount diameter: 100mm

Front O.D.: 100mm

Depth (when cloth fully open): 50mm

Fits lens size:~ 60mm to 95mm (lens front outside diamter)