Opticstar 1.25" x2 Short Achromatic Barlow
Doublet Lens - Fully Multicoated - Low Cost
Opticstar 1.25" X2 Short Achromatic Barlow.
  • Focal length multiplier: X2
  • For 1.25" draw tubes
  • Cemented doublet lens
  • Fully multicoated achromatic lens
  • Threaded for standard 1.25" filters
  • Metal body
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Opticstar 1.25" x2 Short Achromatic Barlow
1.25" x2 short achromatic barlow lens with threaded barrel for standard 1.25" filters.
Order No. Price (U.S. Dollars) Shipping Delivery click to purchase
OSRBL1X2 $ 35.00 $ 10.00

Outline
Metal body, rugged grip, cemented doublet fully multi coated achromatic lens, results in high resolution, contrast and colour correction. 1.25" brass barrel is threaded for standard filters.

Barlow Lenses
Barlow lenses are used to multiply the focal length of the objective lens/mirror of your telescope and therefore its magnifying power. The benefits of using a Barlow lens will result in image magnification, improved eye relief and reduced spherical aberration in the eyepiece.

Barlow lenses can also be used with binoviewers that in certain cases are unable to reach focus, especially when used with Newtonian telescopes and refractors with short focus travel. The extended focal length provided by the Barlow will then make focusing possible.

Opticstar barlow lenses.
Opticstar barlow lenses, from left to right: 2" x2 Achromatic, 1.25" x3 Achromatic and 1.25" x2 Short Achromatic.

Notice
We are constantly checking the accuracy of the technical data. We are prepared to provide more detailed information on request. Technical data is subject to change without notice.

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posted: 8th October 2009
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updated: 4th August 2010
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Sample Images
Opticstar DS-335C ICE
updated: 20th August 2010
Sample image.
The M8 nebula shot by John Haunton with the Opticstar DS-335C ICE.
Sample Images
Opticstar PL-130M CoolAir
posted: 10th February 2009
Mosaic of the Moon at 2354x4010 pixels 
 captured by Herwig Sulzbacher.
An impressive 9.4 megapixel mosaic of the Moon by Herwig Sulzbacher with the Opticstar PL-130M.
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