William Optics Vixen-Style Prism Clamp 90 mm A Vixen-profile mounting base with 90 mm length and manufacturer-listed weight of 230 g.
Manufacturer model: William Optics Vixen-Style Prism Clamp 90 mm · Specifications checked against manufacturer data on 2026-11-03
A Vixen-profile mounting base with 90 mm length and manufacturer-listed weight of 230 g.
Use with a matching Vixen-style rail and suitable fixing arrangement. The manufacturer page does not specify a payload rating.
William Optics manufacturer specifications
The manufacturer underside image identifies three 1/4-20 UNC threaded mounting holes. Match the mounting surface and fasteners to the actual hole arrangement. William Optics does not state a load rating in the inspected product reference.
Confirm bolt pattern and full dovetail engagement; no payload rating inferred.
| Dovetail standard | Vixen |
|---|---|
| Threaded mounting holes | 3 × 1/4-20 UNC |