Explore Scientific 52° Series Argon Purged Waterproof Eyepiece (3mm)

Coatings: EMD (Enhanced Multi-Layer Deposition) on all lens-to-air surfaces Filter Thread: Fits Standard 1.25 inch Diameter Thread in Filters (1.125

My honest review of the 52 degree from Explore Scientific. - Page 4 - Eyepieces - Cloudy Nights

My honest review of the 52 degree series from Explore Scientific. - Discussions - Eyepieces - Stargazers Lounge

Explore Scientific 52° Series Argon Purged Waterproof Eyepiece (30mm) : Electronics

Fully Waterproof and Argon Purged 16mm Focal Length, 68 Degree Apparent Field of View All internal surfaces/edges are flat black EMD Enhanced

Explore Scientific 68 Degree Series 16mm Argon-Purged Waterproof Telescope Eyepieces

EXPLORE SCIENTIFIC 52° LER EYEPIECE 3MM AR, 3mm 1.25" Eyepiece

Explore Scientific 62° Series Eyepieces

Explore Scientific 52° Series Argon Purged Waterproof Eyepiece (3mm) : Electronics

Explore Scientific Eyepieces Guide (100°, 120°, 92°, 82°, 68°, 62°, 52°)

Explore Scientific 16mm 68° field argon-purged waterproof 1.25 eyepiece

Explore Scientific 100° 25mm