1.25 Inch 90 Degree Erecting Prism For Telescopes Optical Prism Not A Mirror Delivers Upright Left Right Corrected Image Includes 1.25 Inch Eyepiece Adapter And Brass Rings For Astronomical And Terrestrial Observations

1.25in 90-Degree Erecting Prism for Telescopes (Single)
✔️ Upright, left-right corrected image; includes 1.25in eyepiece adapter

This 1.25 inch erecting prism is a diagonal optic designed for daytime terrestrial viewing and nighttime astronomy, delivering an upright, left-right corrected image.

✅ BK7 glass prism delivers clear, sharp images
✅ ABS plastic housing with metal barrels for secure fit
✅ Dust cap and dust plug protect optics during use
✅ 1.25 inch filter threads for accessory compatibility
✅ Eyepiece clamp with aluminum screw for sideways viewing
✅ Brass rings included for mounting and accessories

💡 What is an erecting prism used for in telescopes?

An erecting prism provides upright, left-right corrected images for terrestrial and astronomical viewing.

- Upright left-right corrected view for easy terrestrial and celestial use
- Works with standard 1.25 inch eyepieces and filters
- Eliminates image inversion without a mirror
- Simple to install with the included adapter and clamp
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