Explore Scientific 20mm 68 Degree Series Waterproof Telescope Eyepiece - 1.25" - EPWP6820-01 threedaysale 7x Focal Reducer is a

7x Focal Reducer is a multi-faceted accessory designed to enhance your astrophotography experiences

Diameter: 70 mm (2

Excellent 20mm eye-relief and generous 72 degree apparent field of view

while to others

Explore Scientific 20mm 68 Degree Series Waterproof Telescope Eyepiece - 1.25" - EPWP6820-01 threedaysale 7x Focal Reducer is aAbout the Explore Scientific 20mm 68 Degree Series Waterproof Telescope Eyepiece 1. 25" There are several things to consider when contemplating the purchase of a new Explore Scientific 68 Degree Series Waterproof Telescope Eyepiece, and customers often ask for our help when they are pondering choices in focal length, field of view, and eye relief. We can certainly help narrow the field, so to speak, by asking some targeted questions, but when it comes