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Thanks Peter
Bought 35mm x3
Quote:
Originally Posted by Peter De Smidt
Thanks for posting this, I'll be buying some today!
-Joshua
Many decades ago when the USAF 1951 charts were not readily available, I improvised this chart and still prefer it when comparing images where absolute lp/mm isn't required. A user can measure a largest group and calculate the lp/mm as needed in their own application. The chart is not corrected for dot spread in printing. Resizing the file for posting has corrupted the finer lines. I can send the 374kb file upon request.
Attachment 220274
He's now offering a Positive version which purports to avoid haloing.
https://film4ever-digital.blogspot.c...rget-po69.html