William Optics NEW Super Quality 1.25" 90° Erect Prism (Upright-Correct) - D-EP90-125II 50 mm Telescopes although some overly large or

although some overly large or bulky cases

89 Rayleigh Limit 1

This model includes: A GEM28 German Equatorial Mount Head

Antares Optical Product Number: F80DTB

William Optics NEW Super Quality 1.25" 90° Erect Prism (Upright-Correct) - D-EP90-125II 50 mm Telescopes although some overly large orWilliam 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