Originally Posted by Lee L
This one gets good reviews. Haven't tried it myself. Bellows factor is just one small part of it.
ad supported free version and $2 for the ad free version.
Will likely check it out myself.
There are a number of spreadsheets around, and LibreOffice is in the works.
Also check out The Photographers Ephemeris.
thanks Lee, I'll have to check them out
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