Tele Vue 4x Powermate (2")

Tele Vue 4x Powermate (2")

Tele Vue 4x Powermate (2")

B&H # TEPMT4201 MFR # PMT-4201
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Tele Vue PMT-4201 overview

  • 1Description

Powermates are the highly-evolved answer to the Barlow lens design from Tele Vue.

While barlow lenses increase the eye relief of the eyepiece in use, they also reposition the exit pupil of long focal length eyepieces far from the designer's intended position. This can cause vignetting and image degradation.

Using four elements, the Powermates leave the exit pupil where it was intended to be, restoring the full viewing aperture and optical quality of long focal length eyepieces. Have the best of both worlds; the long eye relief of the longer focal length eyepieces, but with higher magnification!

Nearly parfocal with 2.00" diagonals, the 2.00" Powermates are threaded to accept 48mm filters and their performance is exemplary with every 1.25" & 2.00" eyepiece in the Tele Vue line.

Directly accepts all 2" eyepiece
Threaded for 48mm filters
Works well with diagonals, unlike many normal Barlow lenses
Accepts optional PTR-4201 SLR camera adapter (imaging w/o eyepiece)
In the Box
Tele Vue 4x Powermate (2")
  • Adapter to Accept 1.25" Eyepieces
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description

    Tele Vue PMT-4201 specs

    Weight 1.20 lbs (545g)
    Packaging Info
    Package Weight 1.485 lb
    Box Dimensions (LxWxH) 6.2 x 3.25 x 3.0"

    Tele Vue PMT-4201 reviews

    4x Powermate (2") is rated 5.0 out of 5 by 6.
    Rated 5 out of 5 by from Astrophotography Essential I use the 4X Powermate with my Celestron SCT 14 for Astrophotography of planets. I captured Jupiter, Mars, and the Moon (sections) with impressive clarity. I recommend purchasing the matched T-Adapter sold separately for use with your DSLR. I use this in conjunction with my Nikon D800 and the results are stunning. Good sharpness and detail with good magnification. Highly recommended.
    Date published: 2014-02-12
    Rated 5 out of 5 by from Typical High Quality I usually but a Tele Vue product and only look elsewhere if Al Nagler doesn't make what I want. Along with this Powermate I bought the Tele Vue T-ring adaptor made especially for it. With my Nikon attached the combo makes my 1000 mm APO refractor into a 4000 mm telephoto lens for shots of the planets and the Moon. The optics are superb and everything fits together nicely, The first night out I produced results better than was possible with film. When I refine my technique I expect to dramatically improve on what I already have.
    Date published: 2015-05-14
    Rated 5 out of 5 by from Whats a barlow ? Worth every penny ! I use mine when I'm using a camera at Prime Focus, it really brings the Moon in up close and in detail !
    Date published: 2015-06-03
    Rated 5 out of 5 by from High quality barlow I'm using 4x Powermate for astrophotography with an E0N 72mm. The first things that I noticed was the high quality of the optics and the manufacture of the barlow. It is important tho say that I had to use several extension tubes to reach the focus point.
    Date published: 2012-03-04
    Rated 5 out of 5 by from Crisp views even at high magnifications I have tested the 4X Powermate with all of my eyepieces on my 12" focal length 2438mm telescope. Even when I exceeded the theorectical maximum magnification the views were good. I have also done some limited prime focus + 4X PM astrophotography of some planets, which was the primary reason I purchased the 4X Powermate. Image scale was what I hoped.
    Date published: 2018-07-23
    Rated 5 out of 5 by from Top quality I cannot speak highly enough about this power mate. Brilliant with NO LOSS of image quality. Love this and a definite keeper in the ep case.
    Date published: 2016-09-07
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