Quote:
Originally posted by RAJAH235
Why not make an off axis aperture stop,say 80mm hole. Place on t'scope. Make up some diff. shaped masks to fit over the hole.(square,hexagon,triangular etc), then place one over the hole. When correctly focused etc, try ROTATING the shaped mask,(this rotates the diff. spikes), to see if you can find the PUP in the diff. rings. L.
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Hi, I have the off axis ap stop. so i might whip up a couple of masks to go with it if i have time. thanks
