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Astronomy > Telescope accessories > Astrophotography > Masks > Focusing Masks > Astroprints > Astroprints Focusing Mask Bahtinov Skywatcher N 150/750
Product no.: 83421

Focusing Mask Bahtinov Skywatcher N 150/750

$ 39.90 incl. VAT plus shipping costs
in stock
ready for shipping in 24 h + lead time
  • Find the focus with a Bahtinov mask
  • Easy to mount, lightweight plastic
  • Particularly inexpensive thanks to 3D printing

Product description

The focusing mask according to Pavel Bahtinov facilitates precise focusing, which is particularly important in astrophotography. The mask is attached to the front of the tube or lens. When looking at a star, it produces a pattern of rays. When the long ray intersects the two slightly shorter rays symmetrically in the middle, the focus is correct. Thanks to its many opening slits, the Bahtinov mask can also be used with relatively dim stars. This is an advantage over the classic Scheiner mask.

A Bahtinov mask should actually be calculated separately for each aperture ratio. However, experience shows that one mask can be used very effectively for an entire aperture range.

The item is made from PETG using a 3D printing process and is dimensionally stable up to 80°C.

Specifications

Capacity


Appropriate for telescopes
Skywatcher N 150/750

General


Type
Masks
Type of build
Focusing Mask

Product safety

Manufacturer: Astroprints, Freisinger Weg 27, 85375 Neufahrn, DE, https://www.astroprints.de/
Astroprints Focusing Mask Bahtinov Skywatcher N 150/750
Astroprints Focusing Mask Bahtinov Skywatcher N 150/750
Astroprints Focusing Mask Bahtinov Skywatcher N 150/750

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