The Bahtinov Mask is a very elegant solution to one of the biggest problems that Masks are unique to each telescope so to generate your own template, you. Make Your Own Bahtinov Focusing Mask: A Bahtinov Mask will help focus your telescope or camera lens on Step 4: Cut a Mask Template on the Vinyl Cutter. High Quality Aluminum Bahtinov mask. The Bahtinov mask achieves perfect focus in seconds. The Bahtinov Mask was invented by Pavel Bahtinov from Russia. Click Here for a printable order form. Note that orders will be processed by.

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You should use Adobe PDF or a similar software for printing. The Spike-a attaches securely to your scope using nylon screws to ensure the finish of your telescope is protected.

By setting to a negative value, they start “lower,” the net effect of which is to tfmplate more cutouts on the mask – experiment! Next step was to measure the telescope outter diameter, and to draw a circle on plastic.

If you plan to open the generated SVG with Illustrator, check this box – if you forget, you can always scale the drawing by bagtinov. These two methods seek to provide an empirical method of achieving focus but because of changes in the ‘seeing’ between shots, they are not always easy to use.

The angle from the horizontal of the angled slots. If non-zero, this shadows the central of your scope. Another tip is to make the inner diameter of the mask slightly larger than required mm and add a thick soft tape inside – this way the mask will be held much firmer. Bahtiov most elegant ways of building the mask are laser cutting, CNC or even 3D printing. Print Options Left margin mmask Left margin must be a non-negative number.


Home Made Bahtinov Focusing Mask & Templates

Designing a mask using drawing, design, or CAD software can be challenging, as the specifics of the mask change for each telescope based on aperture, focal length, and how you plan to attach the mask to the scope. Horizontal slot count must be tdmplate positive integer. What is required is a more empirical approach. I’ve seen masks designed with slots all the way to the edge, and some that only had 5 or 6 slots, so I wanted to be flexible. Advanced parameters Tweak the settings to experiment, to adjust for differences in materials, or just for fun.

In my bhatinov this method is even superior to manually focusing while reading FWHM value. Set up your telescope and imaging equipment as normal. Focal length mm Focal length must be a positive number. The “standard” is Ideally, should be between – All credit for the mask temmplate to Pavel Bahtinov for creating the design, and to Dennis Sakva for championing it on Cloudy Nights.

If you have questions, comments, issues, suggestions, or if you’d like to be notified when the generator is updated, shoot an e-mail to david at astrojargon dot net. Focusing mask which was invented by Pavel Bahtinov is considered to be the easiest, the fastest and an accurate tool for manual focusing. Edge thickness mm Edge thickness must be a positive number.


Bahtinov Focusing Mask

Tempate is common practice to focus your camera DSLR or astro-CCD on a bright star as this star and the object you want to image will both be at infinity so getting the star in focus will ensure that the deep sky object will also be in focus. Good options are red or black. Override the slot width here.

Angle bahinov be a non-negative number between 0 and Copyright astro jargon. I did it by placing a metal ruler over each slot, and slicing several times over each edge, without applying too much pressure. The Spike-a mask shows you exactly where the perfect focus point is every time, regardless of seeing conditions.

Sripe offset must be an integer. Seeing conditions will not significantly affect the diffraction spike pattern, which means the Spike-a is even useful for visual work. The focal length of your scope, in mm. It is important to keep the lines straight and parallel to ensure that diffraction spikes will be bright and thin. Bahtinov factor Bahtinov factor must be masj positive integer.

In a similar way – a daylight solar filter can be made, by glueing a sheet of ” Astrosolar ” film or a similar product between two circles of plastic.