Search results for: 'Televi'

Take a "spacewalk" across a wide, sharp 82° apparent field...

Take a "spacewalk" across a wide, sharp 82° apparent field...

The 35mm has a large true field with plenty of eye relief for eyeglass wearers.  When combined with a Paracorr to c...

Take a "spacewalk" across a wide, sharp 82° apparent field...

Only the combination of all would satisfy our ethos in creating a "planetary" eyepiece: full field sharpness for any spe...

Al Nagler's 4-element concept, continues the tradition of full-field sharpness with optimum aberration control. Like lon...

Delos eyepieces: Love at first light...

Delos eyepieces: Love at first light...

Delos eyepieces: Love at first light...

Delos eyepieces: Love at first light...

Delos eyepieces: Love at first light...

With 110°, the Ethos-SX has 21% more AFOV area than the 100° Ethos design. This permits a nice 62% power increase from a...

Al Nagler's 4-element concept, continues the tradition of full-field sharpness with optimum aberration control. Like lon...

Al Nagler's 4-element concept, continues the tradition of full-field sharpness with optimum aberration control. Like lon...

High contrast, comfortable eye relief and full field sharpness. Control of astigmatism, field curvature, lateral color...

High contrast, comfortable eye relief and full field sharpness. Control of astigmatism, field curvature, lateral color...

The 21mm focal length completes the logical set of 21mm/13mm/8mm and nicely juxtaposes the 17mm/10mm/6mm combination...

Take a "spacewalk" across a wide, sharp 82° apparent field...

Delos eyepieces: Love at first light...

The 17mm ETHOS is an ideal complement to the 31mm Nagler Type-5. They are parfocal (both have focus locations about 3/8"...