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5° (the edge of the field of view is the 6° boundary)
Cell & 220mm ID Cap - For Refractors
Featuring an air-spaced triplet optical design that virtually eliminates chromatic aberrations
Description N20839 Newtonian Item Number BR-N20839 Focal Length 812mm Focal Ratio f/3
Meade LX-90
Explore Scientific Losmandy-Style Saddle Plate Dew Shields By Size_12” 5° (the edge of theExplore Scientific Losmandy Style Saddle Plate A saddle plate is not the most exciting astronomical accessory in the world, but it is one of the most important when it comes to the stability and safety of your telescope system. Just like a saddle is usually the only piece of equipment between you and a horse, a telescope saddle plate is often times the only piece of hardware used to attach your optical tube assembly to its mount. Tailor made to fit