William Optics 1.25" 45 degree Erecting Prism Diagonal # D-EP125

Description

William Optics 1.25" 45 degree Erecting Prism Diagonal # D-EP125.
Turn your telescope into a terrestial observing instrument with a William Optics 1.25" 45° Erect Image Prism.
The William Optics 1.25" Erect Prism has a big internal BK4 prism with anti-reflection coatings that maximize image brightness
An oversized brass compression ring secures all 1.25" eyepieces
The William Optics Erect Image Diagonal is made of aluminum and black anodized
All internal edges are blackened and baffled to prevent internal stray light reflections