Explore Scientific - 17mm 92° Series Long Eye Relief Argon-Purged Fully Multi-Coated Waterproof Eyepiece - 2"

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Explore Scientific 92° LE Series Waterproof eyepieces have a whopping 92° wide apparent field of view with comfortable eye relief for the end user to enjoy their telescope observing to the highest level.

SKU: EXP-EPWP9217-01
Manufactured by:
Explore Scientific
 

Product Description

Explore Scientific 92° LE Series Waterproof eyepieces have a whopping 92° wide apparent field of view with comfortable eye relief for the end user to enjoy their telescope observing to the highest level.

Each eyepiece features superior light transmission using high-refractive, edge-blackened optics with EMD multi-layer coatings on all optical surfaces.

All Explore Scientific eyepieces registered within 60 days of purchase are protected by the exclusive, fully transferrable unlimited lifetime warranty to guarantee your satisfaction.

LIFETIME WARRANTY

Specifications

Name Explore Scientific - 17mm 92° Series Long Eye Relief Argon-Purged Fully Multi-Coated Waterproof Eyepiece - 2"
Manufacturer Explore Scientific
UPC 812257017379
Model EXP-EPWP9217-01
Manufacturer Part # EXP-EPWP9217-01
Apparent Field of View 92°
Eye Relief 22mm
Field of View - Apparent 92°
Focal Length 17mm
No. of Elements 8 elements / 6 groups
Warranty Explore Scientific STAR Lifetime Warranty (click to read more)

Reviews

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This is in the same weight class as my ES 40 & 30mm (2+ lb.), so I don't need to rebalance my 4.5" APO refractor stepping down from big sky to planetary viewing. And with a 2" diagonal I like a 2" eyepiece. I planned on comparing it to my 17mm Baader Hyperion, but there's no contest. Great eye relief, and pinpoint sharp edge to edge. Works well in a Big Barlow too. This is a keeper! (Posted on 8/7/2018)
Review by:
After comparing this eyepiece to my Televue 17 Ethos in my 6" apochromatic refractor, I prefer this way more and the image quality is just as sensational at nearly half the cost! First off, the feeling you get while looking in most 100 degree eyepieces is that you have to get your eye in, close enough to look inside and take in the field of view, then you have to look around to see the whole field of view, and it's no way near as comfortable. The Ethos simply has less eye relief and it's like a two step process. With the 92 degree, which is nearly the same TFOV as the 17 Ethos, I was able to easily hold my eye, comfortably away from the eye lens and see the entire FOV all at once because the eye relief is so incredible on these new 92's. Even with my glass on, I can reach in far enough to see the entire FOV. This is now my key wide-field eyepiece and I encourage anyone who has an opportunity to compare these eyepieces side by side to see this for themselves. Absolutely awesome performance and my favorite series in the entire ES line! (Posted on 2/10/2017)
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