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Astronomy > Telescope accessories > Astrophotography > Masks > Focusing Masks > Gerd Neumann jr. > Bahtinov > Gerd Neumann jr. Bahtinov mask for M62 photo lens
Product no.: 73936

Bahtinov mask for M62 photo lens

$ 67.00 incl. VAT plus shipping costs
short-term
ready for shipping in 3-5 weeks + lead time
This product is available in the following variants:
Thread Price
M105 $ 102.00
M49 $ 47.90
M52 $ 45.90
M55 $ 45.90
M58 $ 47.90
M62 $ 67.00
M67 $ 68.00
M72 $ 73.00
M77 $ 80.00
M82 $ 87.00

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.

This Bahtinov mask is equipped with a filter thread. Please make sure to select the size that fits your camera lens.

With a Bahtinov mask, focusing is really easy and reliable: turn on the camera, point it at a bright star, activate Live View on the camera, screw the Bahtinov mask into the filter holder of the camera lens, adjust the symmetrical diffraction pattern, remove the Bahtinov mask, and start shooting!

Specifications

Capacity


Thread
M62

General


Series
Bahtinov

Product safety

Manufacturer: Dipl.-Ing. Gerd Neumann jr., Neumann-Reichardt-Str. 27-33 Haus 4, 22041 Hamburg, DE, www.gerdneumann.net
Gerd Neumann jr. Bahtinov mask for M62 photo lens
When all three rays meet, the star is in focus.

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