High quality, beautifully crafted star diagonal.The highly accurate mirror is not hindered by its ultra reflective coatings as many similar models are, in some models up to 1/2 a wave accuracy is lost due to the layers of coatings, this is not the case with Baaders all-dielectric mirror coatings.Your eyepieces are protected from marks and scratches by Baaders innovative clicklock clamp system, a simple 20 degree twist is all it takes to secure your eyepieces. Oversized 2" dielectric 1/10 wave mirror Scratch resistant hard coated mirror surface for safe cleaning, to remain scratch free even if subjected to harsh environment Mirror rejects deep UV and IR radiation safe for solar viewing with all White-Light and H-Alpha Solar Filters Largest possible clear aperture for widefield application Smooth outer shape without sharp corners Baader ClickLock 2" Clamp for ultrafast clamping action Clamps heavy accessories effortless, with fingertip action 2" nosepiece with large clear aperture, removeable

Clamps heavy accessories effortless, with fingertip action. Largest possible clear aperture for widefield application. Mirror rejects deep UV and IR radiation safe for solar viewing with all White-Light and H-Alpha Solar Filters. Scratch resistant hard coated mirror surface for safe cleaning, to remain scratch free even if subjected to harsh environment. Oversized 2" dielectric 1/10 wave mirror.

Item Weight: 484 Grams. Finderscope: Reflex. Power Source: Solar Powered. Objective Lens Diameter: 95 months. Brand: Baader-Planetarium. Manufacturer: Baader Planetarium. Date First Available: October 28, 2009. Best Sellers Rank: #26 in Telescope Diagonals. Customer Reviews: 4.3 out of 5 stars 23 ratings 4.3 out of 5 stars. Item model number: 2956100. : B002SYBF8M. Item Weight: 1.07 pounds. Product Dimensions: 6.5 x 4.33 x 4.13 inches.