William Optics 45 1.25" Erecting Prism

  • William Optics 1.25" 45° Erect Image Prism Diagonal
  • High-quality BaK4 prism with anti-reflection coatings
  • Non-marring compression ring
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  • Regular price $80.00

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William Optics 45 1.25" Erecting Prism

William Optics new 45 degree EP will work with any 1.25" eyepieces and scopes with 1.25" eyepiece holders. It will turn upside down images right side-up and give correct left-to-right image. This high-quality, low-cost erecting prism will set the standard in erecting prisms!

William Optics 45 degree 1.25" Erecting Prism Features
Large Prism
  • Large, high-quality BAK4 erecting prism with anti-reflection coating allows for good contrast and bright images.
  • Brass compression ring.
Great Price
  • 1.25" eyepiece holder comes with anti-marring brass compression ring.
  • Extremely competitive price/quality ratio.
Innovative Shape
  • Entirely aluminum, black anodized eyepiece holder.
  • Large, chromed thumbscrews.
Advanced Craftsmanship
  • Internally matte blackened and threaded for no internal stray light reflection.

OPT Product Number: WO-D-EP125



Angle45 Degree
Diagonal Barrel Size1.25"
Free ShippingYes
Warranty2 Year Warranty
Customer Reviews
5.0 Based on 2 Reviews
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Dale S.
United States United States
William Optics Erecting Prism 45 degree

Very clear so much better than the standard diagonal.

United States
Good item!

No problems, a quality item.