Bahtinov Mask For Askar FMA 135/180/230 30mm/40mm/50mm Guidescope

Description

These are 3D printed bahtinov masks for the following Askar guidescope models:
Askar 30mm FMA135
Askar 40mm FMA180
Askar 50mm FMA230
Masks sit slightly loose on dewshield and i
ncludes a tab with hole for easy removal without disturbing focus. Hole can be used for attaching mask to strap or tether.
I designed these masks to all have a bahtinov factor of 150+ to allow for easy focusing and good diffraction spikes.
Bahtinov Factors:
FMA135 = 168.75
FMA180 = 200
FMA230 = 250
Printed in high quality American made black PLA.
Please feel free to ask any questions.
I can make almost any size bahtinov mask for any telescope so please feel free to message me for custom requests.