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

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

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