William Optics Super Quality 1.25" - 45° Erect Prism - Upright-Correct Image
This William Optics 1.25" 45° erecting prism will be a joy to be used with that nice premium refractor of yours! It will be perfect for daytime observations too, because of its Upright-Correct Image. It is internally threaded and blackened to reduce stray light reflections.
This 45° William Optics Quality, 1.25" Erect Image Prism - Star Diagonal with an Upright-Correct Image uses an image-erecting BAK4 prism with an anti-reflection coating. This is a very high accuracy and high reflectivity prism optic. This 1.25", 45° Erect Image Prism from William Optics uses a brass compression ring and screw to firmly retain your eyepiece in its barrel.
This William Optics 1.25", 45° erecting prism Star Diagonal is make from highest quality aluminum, black anodized for most parts, with a shiny bright aluminum barrel, with a smooth exterior finish.
|Barrel Size:||For 1.25" Focuser receivers|
|Material:||Aluminum, Black Anodized plus Bright|
|Form/Fit:||1.25" Star Diagonal (Prism)|
|Function:||A 45° Prism Star Diagonal with Push-In Barrel, 1.25"|
|Image Orientation:||Correct (Erect) Image|
|Inside Diameter:||25 mm Clear Aperture Prism|