This PrimaLuceLab accessory mount features a 2-inch slide on the ESATTO 3-inch M81 interface. The manufacturer’s description also indicates compatibility with 3-inch ARCO mounts. It is suitable for visual observation or for use with a camera equipped with a mount of that diameter.
CHF 87.39incl. Swiss VAT
Reference PL8410002
Will be ordered for you
Timeframe: 10 days to 3 weeks
Estimated shipping: Between November 26 and December 1, 2026
This PrimaLuceLab accessory mount features a 2-inch slide on the ESATTO 3-inch M81 interface. The manufacturer’s description also indicates compatibility with 3-inch ARCO mounts. It is suitable for visual observation or for use with a camera equipped with a mount of that diameter.
The clamping mechanism uses an internal brass compression ring and three screws spaced 120 degrees apart. The ring prevents the screws from coming into direct contact with the inserted slide. The optical thickness is 12.5 mm.
This three-screw version should not be confused with an OnAxisLock2 model featuring a rotating outer ring. The 2-inch diameter refers to the accessory received, while 3 inches here refers to the family of compatible eyepiece holders and rotators. No specific load capacity is listed on the product sheet.
| Reference | PL8410002 |
|---|---|
| Input | M81 |
| Received transfer | 2 inches |
| Compatibility | ESATTO 3-inch and ARCO 3-inch |
| Tightening | Brass ring and 3 screws spaced 120 degrees apart |
| Optical thickness | 12.5 mm |
