Telescope Accessories 52-220ED Guide Mirror Small Black Big Black Astronomical Telescope Guide Mirror

Diameter: 52mmFocal length: 193mmUsing high-quality general-purpose lensesED glass version:Diameter: 52mmFocal length: 220mm

• 0.7 mm hard plastic sleeve is used, which increases the contact area and avoids the small deformation caused by the aluminum screw protection rubber head.
• 52mm lens is used (the ED glass model uses FK61ED glass), the effective diameter can reach the standard 50.2mm; the multi-layer broadband coating is used.
• Astronomical telescope accessories, Barlow lenses (2x, 3x), moon filters, and planetary filters for stunning detail on the Moon, planets, and deep-sky objects.
• Astrophotography & Imaging Essentials Capture the cosmos with T-ring adapters, prime focus adapters, field flatteners, reducers, smartphone adapters, and dedicated astronomy cameras.
• If you encounter any issues, feel free to contact us by email for prompt support.