Telescopes & Astronomy

• Power your Celestron computerized telescope from any AC wall outlet
• 2 amp AC Adapter
• Suitable for indoor or outdoor outlets
• AC adapter comes with US, UK, EU, and AU adapter plugs

The Sirius Optics 15mm 68° WALER eyepiece delivers a wide-angle field of view with generous long eye relief, making it ideal for comfortable extended viewing sessions—especially for eyeglass wearers. Enjoy sharp, immersive views without the eye placement sensitivity common in shorter focal length designs.

Sirius Optics 20mm 68 Degree Long Eye Relief Eyepiece

Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value

The Sirius Optics Plossl 15mm eyepiece delivers a generous 50°+ apparent field of view, making it a versatile choice for both deep-sky and planetary observation. Its classic symmetrical doublet design offers sharp, well-corrected views in any 1.25-inch focuser, while the 15mm focal length provides comfortable eye relief for extended viewing sessions.

Getting your back-focus distance right is essential for sharp, well-corrected astrophotography and sometimes you need more than thin shims to bridge the gap. This M48 x 0.75mm aluminium alloy spacer ring provides 20mm of solid, threaded spacing to help you build out your imaging train with precision. Also available in various sizes to suit your specific setup requirements.

• High-magnification 5mm focal length 1.25" eyepiece designed for exceptional planetary and lunar viewing through any telescope
• Flat field eyepiece design ensures sharp focus out to the edge of its wide 55-degree apparent field of view
• Barrel distortion and field curvature commonly seen in standard eyepiece designs are not seen in Orion Edge-On eyepieces
• Features a long 20mm eye relief for comfortable with or without eyeglasses