Quote:
Originally Posted by bert
I made a hartman mask from a paper plate, I cut 2 triangles in it, it really makes focusing very easy. I read somewhere that triangles give diffraction spikes and that show better fine focus than a hartman with circles. Seems to work!
Brett
|
Hi Brett, a good first image. I use a Hartmann mask with three triangles and it definitely gives a better result when compared to circles in my opinion.
I made mine from cardboard glued onto an embroidery hoop, work perfectly.
Cheers