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TeleVue 7mm Nagler Type 6

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TeleVue 7mm Nagler Type 6

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4 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.
  

7-mm
Model # EN6-07.0
Focal Length (mm) 7
Barrel Size (in.) 1¼"
Apparent Field of View (deg.) 82
Eye Relief (mm) 12
Weight (lb / oz) 0.50 / 8.0
Field Stop (mm) 9.7
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Most Helpful Customer Reviews

Peas in a Pod: really 9.5 for all Three

By Kimball Corson on October, 17th 2009

The new 9mm, 7,, and 5mm naglers are peas in a pod. Light, compact, contrasty, sharp, but with minimal eye relief you can think is just right (if you dont wear eyeglasses or have long greasy eyelashes) or too little (if you do).

Further Use Comments

By Kimball Corson on October, 17th 2009

The 7mm is a 10, the 9mm is closer to an 8.5 and the 5mm is a 9 minus. The clear winner here is the 7mm. I wound up not liking the 9mm. The 5 is O.K., but I eventually went to a Pentax 5.2 XL instead and liked it better.

My favorite planetary EP

By Art Fritzson on October, 17th 2009

With my 12 f/4.9 dob, this generates a whopping 214x - which I thought would have limited usefullness in my usually poor seeing area. To my surprise, this has become my most often used eyepiece - its sharp, edge to edge, contrasty, and gives me plenty of time between nudging. I give it a 9 because the relatively short eye relief does cause some kidney beaning if youre not careful about eye placement, but otherwise its perfect.

7th Heaven

By Michael McNeely on October, 17th 2009

I own the Type 1 version of this eyepiece, and it was the first Nagler that I purchased. At the time, I wanted it as a high-power eyepiece for my Celestron 8 and as a medium power eyepiece for my TeleVue Pronto. This eyepiece is incredibly sharp and provides an immersive viewing experience. The Nagler 7 has 10mm of eye relief (12mm for Type 6) which is a bit short, but I still fine the eyepiece to be comfortable to use. The eyepiece has a heft and feeling of quality I have many fond memories of using this eyepiece. In my Pronto, I used if for close-up views of deep sky objects, and for low-power views of planets. At 69x, planetary disks start to become apparent with this scope and eyepiece. In my TeleVue-85, the Nagler 7 still works in this capacity providing 86x and a 1-degree field. The 7mm Nagler is my favorite TeleVue eyepiece and is one that I nearly always use when observing. I’m confident that the Type 6 version of this eyepiece can only be better. Highly recommended.

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