14mm 100° Series Nitrogen-Purged Waterproof Eyepiece These eyepieces are the world's first nitrogen-purged waterproof eyepiece with a 100° Apparent Field for astronomy. The body of the eyepiece is nitrogen-purged and waterproof preserving the...

Celestron 10mm Plossl Reticle Eyepiece – 1.25" Guiding (or reticle) eyepieces are mandatory for guided astrophotography. They keep a guide star stationary during long exposures to avoid star trailing. This 5-element guiding eyepiece has a...

Celestron Axiom LX 19mm, 2"  82 degree field Spacewalk eyepiece Focal Length Apparent Field of View Eye Relief (mm) Full Milti Coatings Design Size Parfocal 19mm8213YES6 element2"Yes Eyepieces that give you the same staggering 82...

Celestron Diagonal, Erect Image - 45° -1.25" Celestron’s 1-1/4" Erect Image Diagonals are an Amici prism design. This design allows you to look into the telescope at a 45° angle, at images that are oriented properly, meaning the image is...

Celestron Diagonal, Star - 1.25" Our Star Diagonal lets you view objects that are at a 90° angle from the direction the telescope is pointing, thereby allowing comfortable viewing when the telescope is pointed at, or near, the zenith (i.e....

Celestron Omni 1.25 in - 2x Barlow The Omni Barlow is a high quality 2x Barlow lens that doubles the magnification of all 1.25" eyepieces. This economically priced Barlow has great features like, low profile, 2-element fully-multicoated optical...

Celestron Omni Series - 1.25" 15mm eyepiece If you are looking to move up to a higher quality eyepiece the Omni series provides more enhanced features in a wider selection of focal lengths. Celestron designed this series with the finer points...

Celestron Omni Series - 1.25" 40mm eyepiece If you are looking to move up to a higher quality eyepiece the Omni series provides more enhanced features in a wider selection of focal lengths. Celestron designed this series with the finer points...

Celestron Omni Series - 1.25" 6mm eyepiece If you are looking to move up to a higher quality eyepiece the Omni series provides more enhanced features in a wider selection of focal lengths. Celestron designed this series with the finer points in...

Celestron Ultima LX 13mm Dual 1.25"/2" 68 degrees FOV Enjoy a wide-field window into the heavens served up by Ultima LX multicoated eyepieces. With a big field of 68° -- which means a 71% greater viewing area than that of a typical 52...

Celestron Ultima LX 22mm  68 degrees FOV Enjoy a wide-field window into the heavens served up by Ultima LX multicoated eyepieces. With a big field of 68° -- which means a 71% greater viewing area than that of a typical 52 degree Plossl. Big lenses...

Celestron Ultima LX 5mm Dual 1.25"/2" 68 degrees Enjoy a wide-field window into the heavens served up by Ultima LX multicoated eyepieces. With a big field of 68° -- which means a 71% greater viewing area than that of a typical 52 degree...

Celestron Zoom Eyepiece 1.24 in - 8-24mm Celestron Zoom Eyepiece. A great entry level zoom eyepiece. 8mm - 24mm Super-premium fully multi-coated 1.25" zoom eyepiece has a focal length of 8-24mm. Allows for expanded magnification options. Focal...