Telescope Accessories， 1/2/3 Pcs 0.965 Inch 90 Degree Erecting Prism Diagonal Mirror for Astronomical Telescope Eyepiece,for Zenith Mirror(A1)

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• Astrophotography & Imaging Essentials Capture the cosmos with T-ring adapters, prime focus adapters, field flatteners, reducers, smartphone adapters, and dedicated astronomy cameras.
• Available in 1/2/3 PCS, this 0.965 inch 90° erecting prism diagonal mirror is specially designed for astronomical telescope eyepieces with wide compatibility.
• Made of optical glass, it ensures high light transmittance and delivers clear, upright and sharp images and terrestrial observation.
• The 90-degree angle design offers a comfortable viewing posture and effectively reduces fatigue during long-time observation.
• Standard interface allows easy installation and stable connection, ensuring no shaking during use.
• Compact, durable and cost-effective, it is ideal for replacement, backup and daily use for amateur astronomers and beginners.