Telescope Accessories， 1/2/3PCS 0.965 Inch 90 Degree Erecting Prism Diagonal Mirror for Astronomical Telescope Eyepiece,for Zenith Mirror(A3)

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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 1/2/3PCS, this 0.965 inch 90° erecting prism diagonal mirror is designed for astronomical telescope eyepieces with wide compatibility.
• optical glass ensures high reflectivity and light transmittance, offering clear, upright and stable imaging.
• Standard 0.965-inch interface enables easy installation and firm connection without shaking during observation.
• 90-degree design provides a comfortable viewing angle and reduces fatigue during long-time use.
• Cost-effective multi-pack, perfect for replacement, backup and daily use for beginners and astronomy lovers.