Buy Televue 7mm Nagler Type 6 1.25 inch (1-1/4 in.) EyepieceTelevue 7mm Nagler Type 6 1.25 inch (1-1/4 in.) Eyepiece Product Description:
- 1.25" Barrel
- 82 degree Apparent FOV
- 12mm Eye Relief
- Field Stop of 9.7 mm
- 7 Elements
Product Description
Blackened lens edges, anti-reflection threads and rubber eyeguards deliver maximum contrast. 100% full field visual inspection on our own flat-field test instruments guarantees the performance of every Tele Vue eyepiece.82°, 13mm 9mm, 7mm and 5mm focal lengths are a compact 7-element design using different exotic materials plus coating processes. Untouched is the full field pinpoint sharpness, but this series benefits from greater contrast. All focal lengths feature 12mm of eye-relief.High technology, parfocal 1 1/4" eyepieces, with 12mm eye relief. Perfect medium/high power eyepieces for the finest telescopes.
Customer Reviews
Most helpful customer reviews
3 of 3 people found the following review helpful.
Nice for deep space objects
By R. Campbell
I bought this eyepiece for F5 12" Dob. It gives 217x but the same field of view as a standard Plossl at ~140x. Field is sharp throughout. No astigmatism.The eyepiece is easy to use with no blackouts. The eye-relief is reasonable but not huge. You won't see the full field if wearing glasses. Eye-cup is somewhat low and so you can get reflections if observing from a poor location with a bright light nearby. The eyepiece performs very well on deep space objects such as planetary nebulae or globular clusters. I find it's not so hot on planets: the contrast around Jupiter is poor compared to, say, a Radian. I have found this to be the case with other Naglers also, such as the 31mm. As a deep space eyepiece this thing definitely gets 5 stars. For planets you might want to consider something else.After a year of owning this eyepiece, I'd like to update my review. I have found that some of the contrast loss on planets seems to be a funny interaction with my eye and the eye-lens. There were weird back-reflections going on and different observers may well not have this problem (am rather myopic). I have tried this eyepiece on Jupiter with an 18" f/4 and found that it performed very well indeed at 300x when the seeing will support this. Back-reflections are gone with this scope.
3 of 3 people found the following review helpful.Maybe the best eyepiece ever
By Edward Sunder
If you're looking for an eyepiece with long eye relief, a HUGE field of view and some serious magnification, it is pretty much impossible to beat this eyepiece. Views are tack sharp from edge to edge and the apparent field of view is spectacular. I don't know how Al Nagler did it, but I suspect that at least 1 of the 3 pounds of this eyepiece is from the weight of pixie dust.I know this is an expensive eyepiece, but if you get it, you really only need a wide-field eyepiece to compliment it. You won't want to look through anything else after looking through this one. It's that good.
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