Tele Vue 3-6mm Nagler Click-Stop Zoom Eyepiece - 1.25"

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Tele Vue 3-6mm Nagler Click-Stop Zoom Eyepiece - 1.25"
$399.01
Item # TE-ENZ-0306
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  • The Televue 3mm - 6mm Nagler Click-Stop Zoom has a 1.25" barrel size to fit 1.25" focusers, adapters, diagonals or accessories.
  • With 3, 4, 5, and 6mm settings, it's like having four Nagler eyepieces in one!
  • The Televue 3mm - 6mm Nagler Click-Stop Zoom has 10mm of eye relief and a great 50º apparent field of view.
  • Get every last little bit of magnifying power out of your telescope the atmosphere will permit!
  • The Televue 3mm - 6mm Nagler Click-Stop Zoom features full multi-coating, blackened lens edges, fold-down eyeguard, rubber grip-ring, safety undercut, anti-reflection threads and filter threads.
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Televue 3mm - 6mm Nagler Click-Stop Zoom 1.25" Eyepiece

This high performance, high-contrast, high power eyepiece is ready to take it's place among the best planetary eyepieces available....but with a "Nagler" twist. Al has incorporated his proven "Nagler" concept into a zoom, while optimizing for the performance factors critical to planetary observers: contrast, resolution, and comfortable eye relief. The Tele Vue Nagler Zoom is tack-sharp across its constant 50º apparent field, and throughout its 3mm-6mm focal length range, even in fast APO scopes. The 3mm-6mm Nagler Zoom is parfocal throughout its zoom range, parfocal with other Televue 1-1/4" eyepieces, and has a constant 10mm eye relief. Weight is only 0.3 lbs.

And, as seemingly unbelievable as it all sounds, the design includes just 5 elements in 3 groups. In case you're not counting, that's the same number of all-glass surfaces found in a Plossl or Ortho, plus a barlow!

Why did Televue design this eyepiece? By dialing in the best balance between magnification, exit pupil size, and atmospheric turbulence, the critical planetary observer can find the best possible image for the observing conditions. The new 3mm-6mm Nagler Zoom features Click•Stops at 3, 4, 5, and 6mm, full multi-coating, blackened lens edges, fold-down eyeguard, rubber grip-ring, safety undercut, anti-reflection threads and filter threads. May the "degrading zoom" mythology rest in peace!

Televue 3mm - 6mm Nagler Click-Stop Zoom 1.25" Eyepiece Reviews

"There have been zoom eyepieces in the past, but none quite like the Tele Vue Nagler Zoom! Since the time of Galileo, short-focal-length (hence high-magnification) eyepieces have been notoriously difficult to look through. That has changed in recent years, especially with the introduction of Tele Vue's line of Radian eyepieces. The new Tele Vue zoom is small, lightweight, and offers the same magnifications (with click-stop settings) as four Radians while maintaining a constant focus and 50 degree apparent field. It also lets observers choose in-between focal lengths, thus giving them the ability to tune the magnification to atmospheric conditions, which is very critical for high-power viewing. Although the zoom's 10-millimeter eye relief isn't long enough for eyeglass wearers, it is enough to make this a very comfortable eyepiece to look through." -- Sky & Telescope

All Televue products are available to ship world-wide from OPT, and effective July 1, 2008, are covered by a Five Year Worldwide Limited Product Warranty! Always be sure to save your original packaging materials should you need to return any Televue product for warranty or repair.

Additional Information

Additional Information

SKU TE-ENZ-0306
Manufacturer Tele Vue
Optical Design Nagler
Barrel Size 1.25"
Warranty Lifetime Warranty
Eyepiece Field of View - Apparent 50º
Eyepiece Focal Length 3mm - 6mm
Eyepiece Eye Relief 10mm
Eyepiece Manufacturer Series Televue Nagler
Eyepiece Weight 5.3 oz.
Field Stop 2.6mm - 5.1mm
Number of Lens Elements & Groups Not supplied by manufacturer
Special Feature Zoom - Variable Focal Lengths
Comes with Dust Caps? Yes
Comes with Eye Guard? Yes
Reviews
Included Items

Included Items

  • Televue 3-6mm Nagler Zoom Eyepiece
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