William Optics 90° 1.25" Erect Prism (D-EP90-125II)

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.

No further description is needed: just check it out!

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.