FROM THE MANUFACTURER Simple, affordable, and effective red dot sighting device makes aiming your telescope a cinch!. A small red LED dot is projected onto a non-magnifying viewing window so you can aim the main telescope quickly and easily. Brightness of the red dot is adjustable to suit your preference. Thumbwheels allow positioning of the red dot horizontally and vertically for precise telescope alignment. Includes bracket that fits the dovetail mounting base on many Orion telescopes

Includes bracket that fits the dovetail mounting base on many Orion telescopes. Thumbwheels allow positioning of the red dot horizontally and vertically for precise telescope alignment. Brightness of the red dot is adjustable to suit your preference. A small red LED dot is projected onto a non-magnifying viewing window so you can aim the main telescope quickly and easily. Simple, affordable, and effective red dot sighting device makes aiming your telescope a cinch!.

Voltage: 3 Volts. Number of Batteries: 1 Lithium Metal batteries required. Item Weight: 85 Grams. Finderscope: Reflex. Power Source: Battery Powered. Focus Type: Manual Focus. Objective Lens Diameter: 50 months. Brand: Orion. Manufacturer: Orion. Date First Available: November 1, 2003. Is Discontinued By Manufacturer: No. Best Sellers Rank: #66 in Telescope Finder Scopes. Customer Reviews: 4.4 out of 5 stars 86 ratings 4.4 out of 5 stars. Batteries: 1 Lithium Metal batteries required. Item model number: 7228. : B0000XMVI6. Item Weight: 3 ounces. Package Dimensions: 5.6 x 2.5 x 2.5 inches.