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Why Purchase from All-Star Telescope?
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Whether you are a first timer needing help with setting up or an enthusiast that can't quite make that one thing work, our expert staff are ready to support your needs. With decades of knowledge and first hand experience we've been there and we can help you through it!
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Shipping around for the best price is tough, we make it easier by offering the best pricing in the market. But if you find a better price on an in-store item somewhere else we will match it!
Product Description
It's Finally Here: the Nagler Type 7
The Nagler Type 7 series combines the acclaimed performance of the Apollo 11 eyepiece with a design tailored for eyeglass wearers, offering an 82° apparent field of view and 19 mm of eye relief. These eyepieces deliver exceptional sharpness, contrast, and pupil comfort, while the adjustable eye-guard helps optimize the viewing experience. Available in 5.5, 9, 14, and 19-mm focal lengths, the Type 7 series is parfocal across the range and works seamlessly with other Tele Vue eyepieces.
Concept
The Nagler Type 7 series was developed as a natural extension of our highly regarded, 85°, limited edition Apollo 11 eyepiece. However, the series can also be thought of as an extension of the long eye relief Nagler Type 4 concept. With the all-new Type 7 design layout, we achieved our goal of Apollo 11-like performance across a series of focal lengths that are eyeglass friendly.
Design Goals
The design goal was simple. The performance of each of the Type 7 focal lengths must equal or exceed that of the Apollo 11 eyepiece in the areas of full-field sharpness, contrast, distortion correction, eye relief, and pupil comfort, but across an 82° apparent field of view instead of 85°.
Details
If you have been waiting for a Nagler series for eyeglass wearers, the Type 7 is it. Combining the expansive 82° apparent field of view with 19 mm of eyeglass friendly eye relief, and large eyelens, the Nagler Type 7s give a new dimension to the "spacewalk" viewing effect. An easily adjustable, locking eye-guard is included for those who don’t wear eyeglasses. It helps to correctly position your eye to the exit pupil so you don’t get too close to the eyelens, as well as blocks contrast-robbing stray light from interfering with the view.
Speaking of which, of course we’ve applied all the optical coating and baffling features Tele Vue eyepieces are known for to maximize contrast and compliment the fully corrected field; revealing beautifully natural star colors with pinpoint sharpness. The optical layout affords unrivalled parfocality throughout the four focal lengths and even between 1 1/4" and 2" modes when used with the Tele Vue Hi-Hat 1 1/4" to 2" adapter (ASF8125). The Type 7 series is also parfocal with all other 1 1/4" Tele Vue eyepieces (except 40 mm Plössl) when those eyepieces are used in the Tele Vue Hi-Hat 1 1/4" to 2" adapter (ASF-8125). Available in focal lengths of 5.5, 9, 14, and 19-mm, the Type 7s complement the 22-mm Type 4 and 31-mm Type 5 as eyeglass friendly Naglers.
TeleVue Nagler represents unparalleled performance with an 82 Degree Field of View.
Specifications
| Model | EN7-05.5 | EN7-09.0 | EN7-14.0 | EN7-19.0 |
| Focal Length | 5.5 mm | 9 mm | 14 mm | 19 mm |
| Barrel Size | 1.25" & 2" | 1.25" & 2" | 2" Only | 2" Only |
| Apparent Field of View | 82 degrees | 82 degrees | 82 degrees | 82 degrees |
| Eye Relief | 19 mm | 19 mm | 19 mm | 19 mm |
| Weight | 587 g | 547 g | 556 g | 581 g |
| For Use with Bino Viewer? | Yes | Yes | No | No |
| DIOPTRX Compatible? | Yes | Yes | Yes | Yes |
| FoneMate Compatible? | Yes | Yes | Yes | Yes |
