TeleVue Barlow Lens 4x Powermate 2"

£529.00 Buy It Now, £23.90 Shipping, 14-Day Returns, eBay Money Back Guarantee
Seller: sky_and_weather ✉️ (211) 100%, Location: Aigaleo, GR, Ships to: WORLDWIDE, Item: 125096565276 TeleVue Barlow Lens 4x Powermate 2". 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.

Features:

  • 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
Brand New O.E. Televue product *Shipped by TNT International Express* (For more details and information about the shipment and product please contact: info(at)skyandweather.gr)
  • Condition: New
  • Brand: Televue
  • Series: TeleVue
  • Type: Barlow Lens
  • Item Diameter: 2 in

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