TeleVue

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 ...

This 2-element Barlow has superb sharpness to match that of TeleVue eyepieces. Despite being "merely" an achromatic system, good design gives it be...

This 2" 2x Clamp Ring Big Barlow can be used with any telescope using a 2" focuser. As it is only 4.5" long, it can also be used in most 2" star di...

If you need a very high quality 2x Barlow for 2" eyepieces, look no further than this TeleVue Powermate. While not technically a Barlow, this uniqu...

This Dioptrx accessory lens corrects for an astigmatism of 3.00 diopters. (This would be a "CYL" value of 3.00 in your eyeglass prescription.)  The...

While described as a 3" extension tube in TeleVue's literature, the actual length of the tube is 3.5". One end of this 2" diameter x 3.5" long exte...

This Dioptrx accessory lens corrects for an astigmatism of 3.50 diopters. (This would be a "CYL" value of 3.50 in your eyeglass prescription.)  The...

The 3.5mm TeleVue Delos is designed to produce very high power/high contrast/high quality images with any telescope. It has a long 20mm eye relief ...

This is an exceptional short focal length ultra wide field eyepiece. It uses seven optical elements for optimized performance across a very wide fi...

Nearly half a century ago, Al Nagler designed the optics for the LEM (Lunar Excursion Module) simulator that was used to train NASA astronauts how ...

The straightforward way to build a 31mm wide-field eyepiece is to scale up what already works. TeleVue took one look at where that math led — a sev...

This is a very good low power/wide field eyepiece for capturing galaxy pairs and galaxy clusters, viewing emission and reflection nebulas in their ...

An excellent and physically-impressive premium-quality low power wide field 2" eyepiece for the serious deep space explorer. The Tele Vue 35mm Pano...

The TeleVue 3mm DeLite eyepiece is a lighter, more compact, less expensive, 62° field/20mm eye relief version of the famed TeleVue Delos eyepieces,...

In conventional zooms, the apparent field of view and the usable eye relief change as the focal length changes. Likewise, objects go markedly out o...

If you need a high quality, medium high power Barlow for 1.25" eyepieces, look no further than this TeleVue. It's a 2-lens achromatic design with s...

The 4.5mm TeleVue Delos combines high image quality and high power with a long 20mm eye relief that makes it ideal for eyeglass wearers. The majori...

Nearly half a century ago, Al Nagler designed the optics for the LEM (Lunar Excursion Module) simulator that was used to train NASA astronauts how ...

This is a very good low power/wide field eyepiece that provides the widest field possible from a 1.25" eyepiece. Its field stop (the rim inside the...