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Wega Bahtinov Mask for Samyang 135 mm Telephoto Lens

Name: Wega Bahtinov Mask for Samyang 135 mm Telephoto Lens
Brand: Wega Telescopes
SKU: WEBASA135
Price: 29.9 EUR
Rating: 5 (1 reviews)

This Bahtinov mask permits very precise focusing for astrophotography. You can easily identify the optimal focus position.

Suitable for Samyang telephoto lens 135 mm 1:2

Easy attachment by plugging on

Easy and precise focusing possible for all cameras like DSLR, CCD or astro cameras

3D printed from special PLA with improved durability

Manufacturer: Wega Telescopes

Product number: WEBASA135

EUR 29,90RRP EUR 39,00you save 23.3% (EUR 9,10)

incl. 19 % VAT (DE)

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excl. 6.95 € shipping costs (DE)

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rating: 5.0 of 5

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Wega Bahtinov Mask for Samyang 135 mm Telephoto Lens

This Bahtinov mask permits very precise focusing for astrophotography. You can easily identify the optimal focus position.

Suitable for Samyang telephoto lens 135 mm 1:2

Easy attachment by plugging on

Easy and precise focusing possible for all cameras like DSLR, CCD or astro cameras

3D printed from special PLA with improved durability

Details..
Technical data..
In the box..

Wega Bahtinov Mask for Samyang 135 mm Telephoto Lens

The Bahtinov Mask is named after its inventor Pavel Bahtinov. This focusing tool allows precise adjustment of your astro pictures to the focus plane of your telescope or camera lens.

This is how focusing of your camera on your telescope or lens works:

Attach the mask to your telescope and slew the telescope to a bright star.

Turn on your camera and watch your selected star on the live view screen.

If the image isn´t yet in focus, the central line of the Bahtinov pattern is shifted. Adjust your focuser until this very line sits exactly inbetween the other two lines.

Now you have achieved optimal focus. Remove the mask from your optics and you can start the exposure of your object.

Practical advice from Teleskop-Service:

Using a Bahtinov Mask for focusing works especially well for deep sky photography. Correctors and Barlow lenses are not a problem.

Ideally you want to use a star with medium brightness for focusing. It should neither be too dark nor too bright. The lines of the Bahtinov diffraction pattern have to be clearly visible.

The chosen star shouldn´t be positioned in the center of your live view, because most telescopes or lenses, although corrected, do not produce a plane field of view. We recommend to position the star in the outer third of your image. That way, you will achieve a better overall sharpness across your field of view.

Article:	Bahtinov mask
Suitable for:	Samyang telephoto lens 135 mm f/2
Manufacturing method:	3D printing (FDM/FFF)
Material:	Special PLA with better UV resistance
Dimensional stability:	up to 110 °C