Products

This premium 1.25" eyepiece from Al Nagler uses seven optical elements for optimized performance across a very wide 82° field of view. Its wide fie...

The 14mm TeleVue Delos puts the optical virtues of a TeleVue Ethos eyepiece - high contrast, a neutral color balance, and full field sharpness - in...

The 15mm TeleVue DeLite eyepiece is a lighter, more compact, less expensive, 62° field/20mm eye relief version of the famed TeleVue Delos eyepieces...

This is a very good medium power eyepiece for lunar observing, resolving globular clusters, picking up detail in the more compact emission and refl...

Tele Vue 16mm Nagler Type 5 Eyepiece — The Goldilocks Wide-Field Performer There are eyepieces that impress on paper, and there are eyepieces that ...

The 17.3mm TeleVue Delos is a "do-it-all" eyepiece designed for medium power/high contrast solar system and deep space observing with all telescope...

The 17mm TeleVue Ethos 100° field eyepiece is designed for no-holds-barred medium power deep space use with telescopes having focal ratios down to ...

The 18.2mm TeleVue DeLite eyepiece is a lighter, more compact, less expensive, 62° field/20mm eye relief version of the famed TeleVue Delos eyepiec...

An excellent premium-quality medium power wide field eyepiece.  The 19mm Panoptic, for example, will give you about a 1.13 degree field at 60x with...

2" prime focus adapter for unvignetted prime focus photography with TeleVue's Pronto, Genesis, TV-101, TV-102, and Renaissance refractors, but can ...

One end of this 2" diameter x 2" long extension tube fits into 2" focuser drawtubes. The opposite end is a 2" diameter eyepiece holder that uses a ...

This 90° 2” mirror-type star diagonal has Everbrite dielectric mirror coatings for 99% reflectivity. In addition to higher reflectivity than a conv...

The TeleVue 2" Eyepiece Barrel Extender increases the telescope back focus distance when you cannot rack out your focuser enough to reach focus wit...

This solid machined bronze 2" to 1.25" eyepiece adapter weighs a substantial 12 ounces. Using it in place of a lighter (4 ounce) aluminum adapter h...

This Dioptrx accessory lens corrects for an astigmatism of 2.00 diopters. (This would be a "CYL" value of 2.00 in your eyeglass prescription.) The ...

This Dioptrx accessory lens corrects for an astigmatism of 2.25 diopters. (This would be a "CYL" value of 2.25 in your eyeglass prescription.)  The...

This Dioptrx accessory lens corrects for an astigmatism of 2.5 diopters. (This would be a "CYL" value of 2.50 in your eyeglass prescription.)  The ...

While not technically a Barlow, this unique new 4-lens 2.5x image amplifier performs the same functions, but at a higher level of optical correctio...

This is a very good medium power eyepiece for lunar observing, resolving globular clusters, picking up detail in emission and reflection nebulas, e...

With a 21mm focal length, the field of this 100° apparent field Ethos eyepiece is nearly 64% larger in area than the 82° field of a "space-walking"...

The TeleVue 2" 22mm Nagler Type 4 replaces the 20mm Nagler Type 2, considered by many to be the finest eyepiece ever made. How do you improve on a ...

This is one of the most popular premium-quality 1.25" low to medium power wide field eyepieces. An ED glass element provides high contrast for obse...

This is a very good medium to low power (depending on the focal length of your telescope) eyepiece for lunar observing, viewing emission and reflec...

An excellent premium-quality low power wide field 2" eyepiece for the serious deep space explorer. The 27mm Panoptic, for example, will give you a ...