Astromania Bahtinov Mask Focusing Mask for Telescopes - Bundle with - 1.25" High Precision Double Helical Focuser with 0.05mm Scale
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Product details
| Management number | 208572142 | Release Date | 2026/03/22 | List Price | $23.20 | Model Number | 208572142 | ||
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- High Precision double helical focuser for guider scope and finder scope Interface; the solution for telescopes or telephoto lenses with sluggish focusing; the Focuser has a fixed orientation so there is no rotation of mounted cameras or eyepieces or also the field of view with your guide star when focusing
- Upgrade your R&P focuser by adding it to the end of the R&P focuser by using "Astromania M42X0.75 Female to M42X0.75 Female Thread Telescope Adapter 9mm"; note: please make sure that there is M42X0.75 male thread on your R&P focuser
- Item was made by Full metal durable the one side of double helical focuser is M31X0.5 male thread "including a M31X0.5 female thread to M42X0.75 male thread Adapter which you can get M31X0.5 male thread or M42X0.75 male thread on this side" there are 1.25" accessory collar with male T-thread flange "M42X0.75" and Accesory collar thumbscrews on the other side that you can install StarShoot AutoGuider or 1.25" eyepiece
- Bahtinov masks take the guesswork out of focusing and even get over the seeing conditions as it is a mathematical type approach to the task; the best focus for your telescope quickly and easily; suitable for use on all types of telescope reflectors rafractors Dobsonians Mak-Cas and SCTs; they are made from precision laser cut enforced plexiglass; which is stiff and long lasting; they will never be brittle in the cold; unlike some other masks which are made from normal plastics
- Please be assured that these focusing masks will work excellently for both reflectors and refractors with whatever focal length; all you need to do is to measure your telescope tube size and choose the right size of the mask "contact us if you are not sure where to measure"
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