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This Astro-Tech 28mm waterproof eyepiece is a substantial 2" eyepiece that will give impressively sharp and contrasty wide field views of nebulas, ...

This 4mm Astro-Tech 82° field eyepiece is an excellent very high power, very wide field eyepiece for resolving globular clusters and closely-spaced...

This 7mm Astro-Tech 82° field eyepiece is an excellent very high power, very wide field eyepiece for resolving globular clusters and closely-spaced...

This 10mm Astro-Tech 82° field eyepiece is an excellent medium to high power, very wide field eyepiece that will work well with any telescope. This...

This 16mm Astro-Tech 82° field eyepiece will show you surprisingly wide deep space panoramas with any type or focal ratio telescope. This 82° 16mm ...

This 13mm Astro-Tech 82° field eyepiece will show you surprisingly wide deep space panoramas with any type or focal ratio telescope. This 82° 13mm ...

The Astro-Tech 13mm o-ring sealed 1.25"/2" eyepiece combines a high power capability with a 100° apparent field to provide a jaw-dropping observing...

The Astro-Tech 7mm o-ring sealed 1.25"/2" eyepiece combines a high power capability with a 100° apparent field to provide a jaw-dropping observing ...

This short focal length Pentax is a high power eyepiece usable for both terrestrial and astronomical observing. Terrestrially, it is superb for det...

This wide field Pentax eyepiece is designed for high power observing of objects on the ground by day and in the skies at night. Terrestrially, it i...

This short focal length Pentax eyepiece has a very wide 70° field of view and very long 20mm eye relief, a uniquely useful combination not matched ...

This very short focal length Pentax eyepiece has a wide 70° field of view combined with a long 20mm eye relief for eyeglass use. It's a combination...

This medium focal length Pentax provides sharp and very wide field images for both terrestrial and astronomical observing. Terrestrially, it is an ...

This medium focal length Pentax is a dual-purpose eyepiece for both terrestrial and astronomical observing. Terrestrially, it is an excellent moder...

This medium focal length 2" Pentax eyepiece is an excellent choice for medium power deep space observing with long focal length refractors, reflect...

This long focal length 2" Pentax eyepiece is outstanding for low power/wide field astronomical observing with long focal length refractors and cata...

This medium focal length Pentax provides sharp and very wide field images for both terrestrial and astronomical observing. Terrestrially, it is an ...

This medium focal length Pentax is a dual-purpose eyepiece for both terrestrial and astronomical observing. Terrestrially, it is an excellent moder...