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SkyWatcher Eyepiece Rectifier for Polar Scope
Meade Model 928 Image Erecting Prism for Meade refracting telescopes #07217. 1.25" barrel. Produces a correctly oriented image and convenient 45° observing angle for terrestrial observations.
SkyWatcher erect-image prism for Newton optical tube. Barrel size 31.8 mm. Includes 10 mm eyepiece and extension tube 1.25". Allows terrestrial observation with newtonian telescopes.
Celestron 45-degree erect image diagonal, barrel 31.8 mm / 1.25". For daytime terrestrial viewing with telescopes.
Auriga 45-degree erect-image diagonal 1.25" for daytime terrestrial viewing with your refractor or catadioptric telescope. Features Amici prism made in Bak4 glass.