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Diagonal Dielectric 99% Quartz LX


Price: £80.00
In stock.
Dispatched from and sold by Telescope House.
  • SCT diagonal for direct attachment to SCT thread
  • Offers great thermal stability, which results in minimal thermal expansion and contraction.
  • Comes with parfocal 1.25" adapter
  • Brass compression rings ensure perfect alignment and no damage to eyepieces
  • Threaded for filters and blackened for light control


Product details

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  • Manufacturer reference: Q2SCT
  • ASIN: B0039ZICT4
  • Date first available at Amazon.co.uk: 25 Feb 2010
  • Average Customer Review: 5.0 out of 5 stars  See all reviews (1 customer review)
  • Amazon Bestsellers Rank: 218,098 in Electronics (See Top 100 in Electronics)

Product Description

This offer the best features, with 99% dielectric coatings, 1/10th wave surface accuracy and a 10mm thick Quartz mirror. It is CNC machined from aircraft-like material, which gives it a supreme structure. A 2" to 1.25" adapter is included to ensure precise centering.

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Most Helpful Customer Reviews

1 of 1 people found the following review helpful By Son of Sam on 13 Feb 2012
I don't think that you could get a better diagonal than this, it has a quality feel that's hard to describe. It works really well with my 80mm Evostar ED Apo and is a lot better than the standard Skywatcher Dielectric model. I don't know that there's much point in buying this unless you've got a reasonably high end optics on the telescope (like an Apo Refractor) but it's worth every penny if you do. The 99% retention over the more normal 90-92% really makes a difference.

Highly recommended.
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