Suitable for telescopes and finders from 95 mm to 150 mm tube diameter Solid metal guide scope rings for compact telescopes and finders with flat support surface and knurled metal screws Flat support surface with four female M6 threads for trouble-free mounting to dovetail bars or other flat surfaces A set consists of two pieces Ideal for astrophotography for mounting a guide scope parallel to the main telescope "

Ideal for astrophotography for mounting a guide scope parallel to the main telescope ". A set consists of two pieces. Flat support surface with four female M6 threads for trouble-free mounting to dovetail bars or other flat surfaces. Solid metal guide scope rings for compact telescopes and finders with flat support surface and knurled metal screws. "Suitable for telescopes and finders from 95 mm to 150 mm tube diameter.

Item Weight: 15.2 Ounces. Finderscope: Reflex. Focus Type: Manual Focus. Objective Lens Diameter: 150 Millimeters. Brand: MEOPTEX. Manufacturer: MEOPTEX. Date First Available: July 6, 2019. Is Discontinued By Manufacturer: No. Best Sellers Rank: #108 in Telescope Finder Scopes. Customer Reviews: 4.3 out of 5 stars 7 ratings 4.3 out of 5 stars. Item model number: MT21643. : B07K89YCMC. Item Weight: 15.2 ounces. Package Dimensions: 7.9 x 7.6 x 1.8 inches.