Eyepieces

Thirteen millimeters is the sweet spot for a lot of telescopes. In a 10-inch f/5 Dobsonian, it gives you 96x — enough magnification to resolve the ...

At 7mm, you're pushing into serious magnification territory. In a 10-inch f/5 Dobsonian, the 7mm XWA delivers 179x — high enough to resolve fine pl...

The 4.8mm XWA is the eyepiece you pull out when the atmosphere cooperates and you want to push your scope to its limits. In a 12-inch f/5 Dobsonian...

Nine millimeters is where the view starts to get serious. In a 10-inch f/5 Dobsonian, it gives you 139x — enough to split tight double stars, pull ...

The 100° apparent field of this new TeleVue 13mm Ethos eyepiece provides a field area more than 50% larger than the "space-walking" 82° field of a ...

Just like the 8mm TeleVue Ethos before it, the TeleVue 6mm Ethos eyepiece once again raises the bar for shorter focal length eyepieces. It expands ...

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 10mm TeleVue Ethos is a "do-it-all" eyepiece that is perfect for all telescopes that can utilize this focal length. And, as it fills the hole b...

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 ...

High-power planetary eyepieces have a reputation problem: the higher the magnification, the narrower the view, and the faster the planet drifts out...