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TeleVue 5mm Nagler Type 6

5.0 out of 5 stars
3 customer reviews



Nagler Type 6

The 7-element, Nagler Type 6 design is based on the original patented Nagler design. This new 7-element design update for the short focal length Nagler deserves its own designation. Using different exotic materials, coating processes and design ingenuity, Al has massaged more eye-relief, contrast, and true field of view into the shorter focal length Naglers, while maintaining the absolute sharpness of the originals. Eye-relief is 12mm on each model, and all are sized about the same as the original 7mm! Weight about 0.4 to 0.5 lbs.

Concept: The goal we set designing these new eyepieces was to increase contrast, maintain or increase eye-relief, reduce size and weight, and maintain the sharpness of the originals. They are all parfocal and great with the Bino Vue.

Why Are There 3 Types of Naglers?

To achieve the full magnification range over 82° apparent field of view requires two types: Nagler Type-5 with focal lengths of 31, 26, 20, 16mm and Nagler Type-6 with focal lengths of 13, 11, 9, 7, 5, 3.5, 2.5mm.

The Type-5 permits the largest true field possible (31mm has 42mm field stop), while the shorter focal length Type-6 models are parfocal, with similiar size and weight and all with a comfortable 12mm eye relief.

The Type-4 models feature about 18mm of eye relief and with the "instajust" eyeguard are best for eyeglass wearers or Dioptrx users in their 22, 17, 12mm focal length range.

Model # EN6-05.0
Focal Length (mm) 5
Barrel Size (in.) 1¼"
Apparent Field of View (deg.) 82
Eye Relief (mm) 12
Weight (lb / oz) 0.49 / 7.9
Field Stop (mm) 7

Customers Reviews

Total 3 reviews
5.0 out of 5 stars

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Most Helpful Customer Reviews

A Good Ocular

By Kimball Corson on October, 17th 2009

If interested, see my review of the TV 7mm Type 6.

Top quality but not worth almost twice 4.8mm price

By Robert M. Dalton on October, 17th 2009

I purchased this eyepiece for use in a TV Ranger. Made the purchase based on info posted on various equipment review web sites that state that Type 6 definitely big step up from older 4.8mm design. I recently had a chance to compare the two eyepieces through the Ranger and a TV 85. I didnt see a significant difference.

Great if you like the type-6

By Brian Carter on October, 17th 2009

I have a 13mm, 7mm, and 5mm type six, and I love them all. the 5 mm is such a great improvement over the 4.8 (too uncomfortable). I use it on my 10 f/5.6 dob. Great views of saturn lately, not quite as good as UO HD orthos, which I use to compare everything. Sharp all the way out. Some off axis lateral color, but not as bad as the 13mm. GREAT light transmission i have to say, I clearly could pull out 14.0mag hyperion near saturn from my suburban home. When I can get out to a dark site, this EP pays for itself on Globular clusters, which is what I bought it for.

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