Unihedron Sky Quality Meter with Lens - Narrow Field of View - SQM-L Expl to halt the intrusion of

to halt the intrusion of fine particulates and fungus

The Explore Scientific 8x50 produces a wide 6° field of view and allows precision focus of both main objective and eyepiece illuminated reticle

CEM40/CEM40EC** (version with 20mm diameter CW shaft)

Unfortunately all it takes is a about a second of the bright white light from a flashlight or a cell phone display to deplete your night vision and have you waiting around to adapt again

Explore Scientific lifetime transferable warranty

Unihedron Sky Quality Meter with Lens - Narrow Field of View - SQM-L Expl to halt the intrusion ofUnihedron 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