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Electronics > Camera & Photo > Accessories > Telescope & Microscope Accessories > Telescope Accessories > B013S25XY4
  1. Gosky Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 95mm -140mm (3.74inch - 5.50inch) - For 100mm,120mm Skywatcher Refractors, Celestron 4 SE Etc
    Gosky Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 95mm -140mm (3.74inch - 5.50inch) - For 100mm,120mm Skywatcher Refractors, Celestron 4 SE Etc
    Gosky Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 95mm -140mm (3.74inch - 5.50inch) - For 100mm,120mm Skywatcher Refractors, Celestron 4 SE Etc
    Gosky Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 95mm -140mm (3.74inch - 5.50inch) - For 100mm,120mm Skywatcher Refractors, Celestron 4 SE Etc
    Gosky Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 95mm -140mm (3.74inch - 5.50inch) - For 100mm,120mm Skywatcher Refractors, Celestron 4 SE Etc
    Gosky Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 95mm -140mm (3.74inch - 5.50inch) - For 100mm,120mm Skywatcher Refractors, Celestron 4 SE Etc
    Gosky Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 95mm -140mm (3.74inch - 5.50inch) - For 100mm,120mm Skywatcher Refractors, Celestron 4 SE Etc
    Gosky Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 95mm -140mm (3.74inch - 5.50inch) - For 100mm,120mm Skywatcher Refractors, Celestron 4 SE Etc
    Image(s) provided for illustrative purposes and may differ from the actual product
  2. Gosky Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 95mm -140mm (3.74inch - 5.50inch) - For 100mm,120mm Skywatcher Refractors, Celestron 4 SE Etc

    [B013S25XY4]
    Delivery: 10-20 Working Days
    Price R540.00

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Product Description

  • Suitable for telescopes Dew Shield or Front Outer Diameter From 95mm -140mm (3.74inch - 5.50inch) - For 100mm,120mm Skywatcher Refractors, Celestron 4 SE Etc.
  • Bahtinov masks make focusing for astrophotography an easy task. Watch the two slanted areas create an "X" over the star. The vertical slits create a moving bar that is centered on the X when you are at focus.
  • The mask attaches securely to your scope using brass screws with soft transparent nylon cover to ensure the finish of your telescope is protected.
  • Light weight so you wont upset the balance on your scope.
  • It will take less time to achieve perfect focus with your new mask which mean you spend more time imaging photons rather than focusing them
Additional Information

Make your focusing for astrophotography an easy and magic task .

About Bahtinov mask 
The Bahtinov mask is a device used to focus small astronomical telescopes accurately. It was invented by Russian amateur astrophotographer Pavel Bahtinov in 2008. Accurate focusing of telescopes and astrographs is particularly of concern to those involved in astrophotography. The telescope is pointed at a bright star, and a mask is placed in front of the telescope's objective (e.g. primary mirror).

How does it work?
Set up your telescope and imaging equipment as normal. Then simply locate a bright star (maybe Spica?) with your telescope, attach the Bahtinov mask to your telescope and watch the diffraction spike pattern around the star as you adjust the focus. When the middle diffraction spike is centered in the outer spikes, you're in focus. Very little focusing travel is required to move the inner diffraction spike, which means the focus is extremely accurate.

Program type>
Suitable for telescopes Dew Shield or Front Outer Diameter From 95mm -140mm (3.74inch - 5.50inch) - For 100mm,120mm Skywatcher Refractors, Celestron 4 SE Etc.

Package Include:
Bahtinov Mask
3 X Brass bolt

P.S:

30 days return warrant . Full life technical support. For any reason you are unhappy with any product by us, please do not hesitate to contact us. We take full ownership and responsibility for the quality of our products and will do best to solve your problem quickly and efficiently. Any suggestion will be warmly welcomed.

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Specifications

Country
USA
Binding
Electronics
Brand
Gosky
EAN
0703501415143
Label
Everest
Manufacturer
Everest
MPN
QHAI120
PartNumber
QHAI120
Publisher
Everest
Studio
Everest
ReleaseDate
0000-00-00
Please Note

The authorised South African distributor of this product is under no obligation to honour the manufacture's guarantees/warranties or to provide after-sales service.

Please note that this product is based in the USA, and is designed and labelled to be used in the USA. If the unit is powered and plugs into an electrical socket, we cannot import the unit for you due to local regulations, as a permit is required for electrical goods. Please check with us if you are unsure or need any assistance!

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Please also ensure that you are ordering the correct item for your particular application as returns to the USA are costly. Product reviews are also provided for most of our items, which can give you a good idea for possible things to look out for and the quality of the item. By clicking Add to Cart, you are confirming that the item is correct and you accept the conditions listed here.