Eyepiece

Powermate Concept: While Barlows are powerful tools, the negative element defining them also limits their ability. The simple negative element Barl...

Properly designed Barlows do wonderful things. First, they amplify power while retaining the eyepiece's eye-relief. Second, they slow the telescope...

28mm Focal Length 68° Apparent Field Argon-purged Waterproof EMD Coatings 2" Barrel

Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 100° Series™ eyepieces are hyper-wide class oculars that can transfo...

The newest Panoptic eyepiece is a 1.25" model with a weight of just 0.5 pounds. It has the same 68-degree apparent field as the other Panoptic eyep...

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...

The Nagler eyepiece represents the ultimate in the visual stargazing experience. With an 82-degree field of view, and tack-sharp, high-contrast opt...

Maximize your "spacewalk" experience with the 21mm Ethos. Transform your passage through the Milky Way with the 21mm’s nexus of contrast, power and...

20mm Focal Length 68° Apparent Field Argon-purged Waterproof EMD Coatings 1.25" Barrel

Nitrogen-Purged and Waterproof: Internally sealed and purged with inert, dry nitrogen gas to prevent internal fogging, to halt the intrusion of fin...

Powermate Concept: While Barlows are powerful tools, the negative element defining them also limits their ability. The simple negative element Barl...

Introducing Celestron's new 2" XLT Diagonal. This high quality multi-coated mirror diagonal allows you to take advantage of the wider field of view...

2" diameter extension tube, adds 2" of length to optical path. Ideal for achieving focus with eyepieces or cameras. Features brass clamp ring.

Modifying Al Nagler's patented Wide-Field eyepiece and adding high index glasses to the 6-element system, the Panoptic design approaches "Nagler" p...

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...

The Televue 17mm Ethos Eyepiece provides a 100° apparent field for a true "spacewalk" view of the night sky. Distortion correction, high contrast a...

Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 92° Series™ eyepieces are hyper-wide class oculars that can transfor...

Tele Vue is pleased to introduce the Delos, mid-to-short focal length line of 20mm eye-relief, 72° apparent field of view eyepieces. Every optical,...

This is a scaled down version of the "king of the field" 31mm Nagler Type 5.The new 16mm Nagler Type 5 is a smaller, lighter (0.45 lbs.), 1.25" onl...

16mm Focal Length 68° Apparent Field Argon-purged Waterproof EMD Coatings 1.25" Barrel