1.25" 90 Deg. Erect Prism

This 1.25" 90 deg. erecting prism will very happy to be used with that nice premium refractor of yours! Perfect for daytime observations too.

Precision Prism

• Image erecting BAK4 prism with anti-reflection coating.
• High accuracy and high light reflection prism.
• Helical focusing on the top barrel for fine  adjustment.

Superior Craftsmanship

• Internally matte blackened and threaded for no internal stray light reflection.
• Threaded for 1.25" filters.

Beautiful Finish

• Entirely aluminum, black anodized.
• Smooth finish.