Quote Originally Posted by Lee L View Post
This one gets good reviews. Haven't tried it myself. Bellows factor is just one small part of it.

https://play.google.com/store/apps/d...ototools&hl=en

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.

Lee
thanks Lee, I'll have to check them out