Telescopes & Astronomy

• Most accurate way to guide – improved accuracy compared to using a separate guide scope
• 12.5 mm multi-coated prism with aluminized backing for maximum reflectivity and illumination to the autoguider
• Fixed-orientation helical focuser for easy, smooth and accurate autoguider focus
• 48mm clear aperture supports full frame cameras without vignetting
• Includes adapters with the correct spacing for DSLR cameras, Nightscape CCD and other popular astroimaging cameras
• Ideal for Schmidt- Cassegrain and EdgeHD telescopes

• Upgrade your finder and stop straining your neck and back!
• This well-built 9x50 finder displays right side up, left-to-right correct views, a great choice for both daytime and nighttime use
• Illuminated double-crosshair reticle doesn’t hide stars
• Includes double ring bracket with integrated dovetail

• Designed by astronomers for astronomers, this premium finderscope allows you to precisely zero in on your target
• Projects a dual-circle reticle, not a red dot that can obscure your subject
• Larger 40 mm optical window offers a wider field of view so you can acquire targets quickly and easily
• Brighter LED for easy visibility during the day
• Easy dovetail connection; no tools required

• Polar align your Celestron CGEM, Advanced VX, or CG-5 equatorial mount with this Celestron Polar Finderscope
• Inserts into the polar finder port at the back of the mount
• The easily identifiable star patterns of the Big Dipper, Cassiopeia and Octans are etched into the reticle, as well as Polaris and the North Celestial Pole, to help with alignment in the Northern or Southern Hemisphere
• Eyepiece has focus adjustments for reticle clarity

O Ring - 50 mm Spotting Scope