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The 58mm Conical Step-up Ring with 85mm Outside Diameter from Cavision is an AR series, conical adapter ring. The ring screws onto the front of a lens with 58mm filter thread and provides an 85mm O.D. surface for mounting a clamp-on matte box. Conical rings are intended for special purposes – for example – if the camera has a low overhanging microphone and the matte box needs to be pushed further out in front of the lens. The ring has a depth of 1.57" (40mm).
58mm rear thread (male)
85mm outside diameter
1.57" (40mm) depth
In the Box
Cavision 58mm Conical Step-up Ring with 85mm Outside Diameter
6-Month Limited Warranty for Personal Use
3-Month Limited Warranty for Commercial Use
Table of Contents
Rear thread: 58 mm (male)
Front Outside Diameter: 3.35" (85 mm) Thickness: 1.57" (40 mm)