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Sale! BARLOW 3X 31.8mm View larger

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BARLOW 3X 31.8mm

BARLOW 3X 31.8mm

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BARLOW 3X 31.8mm



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135,00 €

-6,00 €

141,00 €

In stock

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"apochromatic Barlow 3x diam. 31.8mm, is definitely the best Barlow on the market.
Only two glass elements of highest quality have been enough to maintain any aberrations well below the Airy disk of a lens f / 4, the optical configurations of other manufacturers defined apochromatic prove decidedly less efficient and optically correct. With a Barlow Tele Vue will be sure to not worsen in any way the image of your telescope!

The lenses of the Barlow Tele Vue using glasses with a high refractive index with anti-reflection coating for optimum correction of aberrations and for exceptional contrast without loss of brightness. They are equipped with closing ring in bronze not to spoil the accessories and filter thread from 31.8mm.
All Barlow must pass the stringent texts field correction in perspective f / 4 as well as all Tele Vue eyepieces. The lens can boost the power of very magnification simply by removing the apparatus of recovery, be it a camera, a CCD or webcam, maintaining the same optical quality without inducing aberrations.
Weight: 181g

For astrophotography, below It shows a diagram indicating the magnifying power of each Barlow function of the distance of the upper surface of the same by the sensor or film. "

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