Unihedron Sky Quality Meter with Lens - Narrow Field of View - SQM-L Expl A long eye relief is

A long eye relief is especially important for eyeglass wearers because it allows them to enjoy the full field of view

Between viewing sessions

Please note: this is the OEM version of the Orion Astrophography Flip Mirror - that is

25" eyepiece holder (also called visual back) that can be attached to (screwed onto) a male M48 thread

Unihedron Sky Quality Meter with Lens - Narrow Field of View - SQM-L Expl A long eye relief isUnihedron Sky Quality Meter with Lens Narrow Field of View SQM L We are an Australian authorised distributor of Unihedron products. An affordable meter for measuring sky brightness for astronomers! The "Sky Quality Meter" measures the brightness of the night sky in magnitudes per square arcsecond. Designed by Dr. Doug Welch and Anthony Tekatch, the Unihedron Sky Quality Meter offers unprecedented sensitivity in a handheld meter. Uses: Find out how