Specification: Allow mounting with hole distances from 5/8 to 1 inch approx Color: Black Material: Plastic Battery: CR2032 Button Battery But Not Included Dimension: Approx. 115*70*40mm / 4.5*2.8*1.6in Weight: Approx. 40g Package List: 1 * Red Dot Finder Scope Telescope in the picture is prop.

Red dot finder scope top part can be removed and used as a replacement for many other red dot finders found on telescopes. LED dot is projected onto a non-magnifying viewing window so you can aim the main telescope quickly and easily. Have variable brightness levels, fully adjustable up and down, left and right. Simple, affordable, and effective red dot sighting device aiming your telescope. Mainly be fit for Celestron 80EQ SE SLT PS series and meade infinity and polaris and so on series astronomical telescope (Note: Meade Infinity Series: 80AZ 90AZ 102AZ and Polaris Series: 80EQ 90EQ not applicable).

Focal Length Description: 40 millimeters. Item Weight: 0.04 Kilograms. Finderscope: Reflex. Power Source: Battery Powered. Focus Type: Manual Focus. Product Dimensions: 4.5"D x 1.6"W x 2.8"H. Brand: Serounder. Country of Origin: China. Manufacturer: Serounder. Date First Available: May 22, 2019. Best Sellers Rank: #76 in Telescope Finder Scopes. Customer Reviews: 3.5 out of 5 stars 86 ratings 3.5 out of 5 stars. Item model number: Serounderqre6c58oiz. : B07S6SFQCY. Item Weight: 1.41 ounces. Product Dimensions: 3.15 x 1.97 x 1.18 inches.