Hallöchen! Julien Moreau writes:
> I calibrated a new lens : HD PENTAX-DA 18-50mm F4-5.6 DC WR RE > > Please find enclosed the corresponding file, with some updates for > Pentax KAF mounts, and with the addition of the bodies K-01 (yes, > the forgotten K mount hybrid camera) and new KP. Thank you, I included your data! > Why is the APSC crop factor approximated to 1.5 ? This is done only for legacy calibrations for which we don't know the camera that was used for the calibration. > I saw for example that in the case of Pentax it is 1.52, and in > the case of Nikon it is 1.56 (see > http://www.digicamdb.com/specs/pentax_k-01/ and > http://www.digicamdb.com/specs/nikon_d3100/). I think I simply averaged the crop factors for all APS-C entries for the respective brand. Tschö, Torsten. -- Torsten Bronger ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Lensfun-users mailing list Lensfun-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lensfun-users
