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Need a grid of 100 lines per inch
#1
Hi, I need a Ronchi screen of 100 lines per inch. That is vertical lines of alternating black and no colour, the lines of which are 0.0025 inch wide. This would give 100 black lines per inch.
Could someone show how to do this, or even better, make a file that is for an A4 paper filled with the screen and I could get it printed on transparent film. I have a laser printer which I could try.
I would also post the file on a telescope maker, astronomy forum, if that is OK.

Please let there be a person that has pity on me.
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Need a grid of 100 lines per inch - by legswilly - 09-06-2021, 09:14 AM

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