Celestron Ultima 2x / 1,25 Barlow lens Barlow lenses opinie

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Celestron Ultima 2x / 1,25" Barlow lens
 
 
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€99
price w/o VAT: €80

Celestron Ultima 2x / 1,25\" Barlow lens
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Celestron Ultima apochromatic Bar lens with a factor of 2, compatible with eyepieces with a rim diameter of 1.25 inch. Excellent correction of chromatic aberration.

The main advantage of using Barlow lenses is that they allow you to limit the number of eyepieces while providing a wide range of available magnifications. For example, having two eyepieces with 30 and 15 mm focal lengths, and using a Barlow lens, we get two additional magnifications corresponding to eyepieces with 10 and 5 mm focal lengths. In addition, Barlow lenses do not change the offset of the exit pupil of the glasses ( eye relief ), allow the focus to be extended further from the tube (when we have a problem with sharpening the image) and allow to double the focal length when taking photos of the sky in the focus of the lens.

• Multiplicity: 2x
• Housing diameter: 1.25 inch
• Optical construction: triplet (three-element systems, apochromatic, with an air gap)
• Anti-reflective layers: FMC (all coated surfaces)
• Length: 70mm
• Active aperture: 27mm ( ! )

Warranty

2 years







HOW TO ATTACH A BARL LENS TO A TELESCOPE




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