William Optics NEW Super Quality 1.25" 90° Erect Prism (Upright-Correct) - D-EP90-125II 60 Degree Diagonals giving you the highest possible

giving you the highest possible contrast

Packaged together in a fitted foam lined decorative Astro-Box

75 in (102 mm x 135 mm x 248 mm)

The internal aluminized radiant barrier is pure aluminum applied through a dispersion process that is accurately controlled for consistency

William Optics NEW Super Quality 1.25" 90° Erect Prism (Upright-Correct) - D-EP90-125II 60 Degree Diagonals giving you the highest possibleWilliam Optics NEW Super Quality 1. 25" 90 Erect Prism Upright Correct Image This William Optics 1. 25" 90 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 90 William Optics NEW, Super Quality, 1. 25" Erect Image Prism Star Diagonal with an Upright