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diagonals & adapters

William Optics 1.25" 45° Erect Prism - D-EP125

William Optics   ——   SKU: WIL-D-EP125
$105.00 CAD
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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.

Specifications:

Product SKU: D-EP125
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
Weight: 170 grams
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