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Telescope accessories > Barlow & Erecting Lenses > Barlow Lenses > TeleVue > Powermate > TeleVue Barlow Lens 4x Powermate 2"
( 5 / 5 )
Product no.: 16901

Barlow Lens 4x Powermate 2"

RRP: $ 680.00 Our price:
$ 563.00 incl. VAT, plus shipping costs
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Product description

Al Nagler's 4-element concept, continues the tradition of full-field sharpness with optimum aberration control. Like long eye-relief? Retain the eye-relief of long focal length eyepieces, while at high power. Enjoy, for example, the sharpness and comfort of the 32mm Plössl at up to 5 times the power!

The Powermate consists of a negative doublet plus a positive "pupil-correcting" doublet. This 4-element system provides the magnifying function of a Barlow without its limitations by restoring the field rays back to their original direction, as if the Powermate were not there. The result is a pure magnification increase.

The advantages in a nutshell:


  • PowerMate with a combination of four lenses
  • no vignetting when observing
  • extremely good image
  • good edge definition in almost all optical systems
  • optimal when used together with an H-alpha telescopes due to parallel optical path
  • very robust housing with 2" barrel and 1.25" reducer with compression ring clamp
  • 2" filter thread
  • the 2" PowerMate can be separated and an (optional) T-ring can be attached for photography

Specifications

Capacity


Magnification factor
4
Connection (to the telescope)
2"
Coating of optical system
multiple
Number of lenses
4
Ring clamp
yes

General


Material
Aluminium
Weight (g)
545
Series
Powermate

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*All prices include VAT plus shipping costs.

TeleVue Barlow Lens 4x Powermate 2"

Customer reviews

Excellent

Review by T. F. on 05.05.2022 14:25:55

( 5 / 5 )

This is an incredible tool for large magnifications for visual or EAA / Astrophotography. I bought it and made a review with real examples: https://youtu.be/-C-D7sx9P_8

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