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AstromaniaOptics

Astromania Bahtinov Mask Focusing Mask for Telescopes - Bundle with - 1.25-Inch Plossl Eyepieces(4mm, 10mm, 25mm) with 2X Barlow

Astromania Bahtinov Mask Focusing Mask for Telescopes - Bundle with - 1.25-Inch Plossl Eyepieces(4mm, 10mm, 25mm) with 2X Barlow

Regular price $100.62 USD
Regular price $100.62 USD Sale price
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About This

  • Three high grade 1.25 inch Plossl Eyepieces (4 mm, 10 mm, 25 mm): 4-element design with a 50 degrees AFOV. A 2x 1.25 inch Barlow lens - Complements the included Plossl eyepieces to give you a total of six power combinations.
  • Three eyepieces that provide low, medium and high powered magnification for viewing a wide range of objects (Moon, planets or land). With the use of PL combination and eyepiece telescope, it can increase the multiplying power of observation, enhance the visual experience. 1.25-Inch4mm;10mm;25mm plossl eyepiece set provides the widest viewing field along with extra sharpness and long eye relief.
  • This is a perfect accessory for owners of short, fast telescopes and is especially helpful for boosting the magnification during lunar or Planetary observations under good seeing conditions. Good visual experience of watching the scenery, bright celestial observations, nebula and so on.
  • Bahtinov masks take the guesswork out of focusing and even get over the seeing conditions as it is a mathematical type approach to the task.The best focus for your telescope quickly and easily. Suitable for use on all types of telescope - reflectors, rafractors, Dobsonians, Mak-Cas and SCTs. They are made from precision laser cut enforced plexiglass, which is stiff and long lasting. They will never be brittle in the cold, unlike some other masks which are made from normal plastics.
  • Please be assured that these focusing masks will work excellently for both reflectors and refractors with whatever focal length. All you need to do is to measure your telescope tube size and choose the right size of the mask (contact us if you are not sure where to measure).

Overview

  • Brand : Astromania
  • Special Feature : Long Eye Relief
  • Objective Lens Diameter : 25 millimeters
  • Exit Pupil : 4 millimeters
  • Lens Coating Description : Fully Coated
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