Re: [hugin-ptx] Questions re calibrating lens for Lensfun

2012-12-21 Thread Carlos Eduardo G. Carvalho (Cartola)
Well, those errors look very good for me, although I have already had smaller ones. I usually do 12Mpx images and a 3px error is something I consider good enough. Doesn't it depend also of the tripod head and camera being well positioned and be a precise mount? I mean, even using a good lens

[hugin-ptx] Questions re calibrating lens for Lensfun

2012-12-19 Thread Terry Duell
Hello All, I have a new camera and lens (Pentax K30-Sigma 18-200), and have been testing a few things. I find that Lensfun has two entries for this lens, I guess from different contributors. If I do a stitch without using lensfun calibration, I get a max. error of 2.8 pix. If I stitch