Products

34mm fully illuminated field but can handle full frame as well 95mm back-focus (55mm when back focus spacer and M48 ring installed) Drops f/ratio...

36mm fully illuminated field, compatible with both APS-C and full frame sensors 90mm back-focus (55mm when back focus spacer and M48 ring install...

0.9x thread-on reducer/corrector produces a flat field across the entire image while shortening exposure time by 24%. Optimized for Evolux 62mm re...

0.9x thread-on reducer/corrector produces a flat field across the entire image while shortening exposure time by 24%. Optimized for Evolux 82mm re...

This anodized, machined aluminum 1.25" Orion Eyepiece Extension Tube provides extra focuser "back travel" sometimes needed to achieve focus with ce...

Use this adapter to connect a T-ring or T-mount camera to a 1.25" focuser. Low profile design keeps backfocus short. Threaded for standard 1.25" fi...

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,...

The 10mm Ethos delivers: 100° apparent field (50% larger in area than 82° Naglers), comfortable eye-relief, (accepts DIOPTRX eyesight astigmatism c...

Capturing impressive deep-sky astroimages is easier than ever with Celestron’s new Rowe-Ackermann Schmidt Astrograph, the perfect companion to toda...

11-inch Dovetail bar (CGE)

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,...

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. C...

At the 2007 Northeast Astronomy Forum, Tele Vue once again broadened the amateur astronomer's perspective on the universe and introduced a new obse...

The 7-element, Nagler Type 6 design is based on the original patented Nagler design. This new 7-element design update for the short focal length Na...

Dovetail for mounting a Celestron 14" SCT to a Celestron CGE-style or Losmandy D-style saddle plate or for piggybacking a guidescope or camera.

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

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

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,...

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. C...

Use this female T-thread to male T-thread spacer to extend standard T-thread adapters by 16.5mm.

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

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...

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,...

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

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

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

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

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

This adapter threads into the front (telescope side) threads of the SkyWatcher EvoStar ED focal reducer, allowing the reducer to be placed directly...

The Celestron 2” to 1.25” Adapter with Twist-Lock was designed for visual observers who use both 2” and 1.25” eyepieces regularly and need a quick...

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

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...

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

A portable guidebook for enjoying the night sky in 2023. 2023 Night Sky Almanac is the ideal resource for both novice and experienced sky watcher...

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

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

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

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

24mm Focal Length 68° Apparent Field Argon-purged Waterproof EMD Coatings 1.25" Barrel

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

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...

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

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

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

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

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

2" diameter extension tube, adds 3.5" of length to optical path. Ideal for achieving focus with eyepieces or cameras. Features brass clamp ring.