[UniPol]

William Optics 2" erecting prism with 2" slip in and 2" SCT barrels in excellent condition, comes boxed with 1.25" eyepiece adaptor and caps. $375 including postage.

This 2" 90 deg. erecting prism by William Optics is our reply to your needs! High quality prism, coating and finish, for good correct-image views of celestial objects. Perfect for daytime observations. Will turn your refractor into a 24/7 friend! This prism is particularly suitable for astronomical usage.

High quality 90 degree erecting prism for dual Astronomical and Terrestrial use.

Precision Prism
• Image erecting BaK4 prism with anti-reflection coating.
• Fully multi-coated.
• Minimized light loss and high accuracy to make possible critical night-time observations.

Superior Craftsmanship
• Internally matte blackened and threaded for no internal stray light reflection.
• Threaded for 2" filters.

Ready to Go
• 1.25" adapter with brass compression ring included in the price.
• Large, chromed thumbscrews.

Beautiful Finish
• Entirely aluminum, black anodized.
• Silver sandblast finish with William Optics logo laser engraved.

Technical specification:
Prism: High quality BAK4 with new FMC coating.
Materials: Entirely machined aluminum.
Angle: 90 degree.
Prism clear aperture: 40 mm.
Accessories: 2"-1.25" adapter with brass compression rings.
Weight: 560g.