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  • OSTARA Achromatic 3x Barlow - Extremely High Quality Item - Triples the magnification of your 1.25" eyepiece while offering high performance image quality - Compatible with nearly any telescope which uses 1.25" eyepieces regardless of brand and even those with limited focus range.
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OSTARA Achromatic 3x Barlow - Extremely High Quality Item - Triples the magnification of your 1.25" eyepiece while offering high performance image quality - Compatible with nearly any telescope which uses 1.25" eyepieces regardless of brand and even those with limited focus range.

by Ostara
6 customer reviews

Price: £29.49 & FREE Delivery in the UK. Details
Only 15 left in stock.
Sold by Binocular Outlet Ltd and Fulfilled by Amazon. Gift-wrap available.
5 new from £26.32
  • Extremely High Quality Telescope Product
  • 1.25" eyepiece fitting (will fit most telescopes on the market today)
  • Black Metal construction
  • A 3x Barlow will triple the magnification of the eyepiece it is attached to.
  • When selecting a Barlow lens it is critical that you select one with a barrel size that will fit the eyepieces you are going to use it with. The barrel size is the diameter of the eyepiece tube that fits into the focuser. The standard eyepiece barrel size is 1-1/4 Inches.
£29.49 & FREE Delivery in the UK. Details Only 15 left in stock. Sold by Binocular Outlet Ltd and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

OSTARA Achromatic 3x Barlow - Extremely High Quality Item - Triples the magnification of your 1.25" eyepiece while offering high performance image quality - Compatible with nearly any telescope which uses 1.25" eyepieces regardless of brand and even those with limited focus range. + Orbinar Plossl 4mm eyepiece 31.7mm (1.25") + Celestron Moon Filter
Price For All Three: £54.48

Buy the selected items together

Product details

  • Product Dimensions: 9 x 4 x 4 cm ; 100 g
  • Boxed-product Weight: 141 g
  • Item model number: Os 334012
  • ASIN: B009DCQUZK
  • Date first available at Amazon.co.uk: 19 Sept. 2012
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (6 customer reviews)
  • Amazon Bestsellers Rank: 46,589 in Electronics (See Top 100 in Electronics)

Product Description

Ostara 3x Barlow Lens is a compact "shorty" type 1.25" Barlow. Doubles the magnification of your 1.25" eyepiece while offering excellent image quality. One of the most popular Barlows due to its excellent quality, value, and usefulness on nearly every model telescope sold. Features a 26mm lens aperture, 1.25" barrel, multi-coated optics, and doubles the power of any 1.25" eyepiece without adding a very long extension between the telescope and the eyepiece. Insert this into the telescope's eyepiece holder first, and then insert your eyepiece into the Barlow. May also be used in a diagonal mirror either between the diagonal and eyepiece for a 2x magnification factor or between the eyepiece holder and diagonal for a magnification of approximately 3x. Compatible with nearly any telescope which uses 1.25" eyepieces regardless of brand and even those with limited focus range.


Customer Questions & Answers

Customer Reviews

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Most Helpful Customer Reviews

4 of 4 people found the following review helpful By Dr Jonkers on 20 Jun. 2013
Verified Purchase
Bought this to fill a gap between a 2x and 4x Barlow, for use with a 250 mm Maksutov-Cassegrain telescope. The item is well made, though no indication as to the type of coating on the glass surfaces. Performed very satisfactorily imaging Saturn with a modest planetary camera. Very satisfied with this product, good value for money.
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By Frank Davies on 22 April 2014
Verified Purchase
the bizarre shape makes it ridiculous to use with my camera and telescope. I bought the lenses from the same manufacturer (ostara) but can't for the life of me understand why the threading on the barlow is different from all my lenses? if it was the same, then at least lenses (eyepieces and barlow could screw together and do away with the bizarre shaped paert of the barlow. the optical aspects of lenses and barlow are however excellent quality.
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Verified Purchase
Good quality optics that do as intended, multiplying any eye piece zoom by 3. I know it's tempting to maximise your zoom but make sure your scope has a large enough aperture otherwise this'll most likely give you blurred images.
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