Quote:
Originally Posted by avandonk
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It would be quite informative if manufacturers actually published the MTF of the optic they are selling.
Bert
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Don't think it's going to happen Bert. Can you imagine for example the maker of a Riccardi Honders scope publishing data that shows that it's MTF performance is roughly equivalent to that of a similar sized unobstructed scope with about 1/2 a wave of SA? That would imply that the RH is no good (which it isn't), but how would you explain why it is OK - it would be a marketing nightmare..
Agree though that MTF would make a lot more sense than the geometrical spot diagrams that seem to be carelessly misused by some makers, as shown in the original post.