RE: [hugin-ptx] Re: Can I automatically improve stitching?

2014-07-16 Thread Pawel Rozenek
> So changing focus while shooting a panorama is not a good idea. I did not know about it :) However it means there was nothing wrong with my home made bracket on the ball head and also I was right saying it was something strange because the problem used to appear far away from the nodal point

[hugin-ptx] Re: Can I automatically improve stitching?

2014-07-16 Thread Erik Krause
Am 16.07.2014 22:00, schrieb David W. Jones: > Hmm, I've never seen autofocus change magnification on my Minolta 7D. > Magnification is a function of focal length; focus is not. ...and many modern lenses change focal length while focusing (rear or inner element focusing). An extreme example is a

RE: [hugin-ptx] Re: Can I automatically improve stitching?

2014-07-16 Thread Pawel Rozenek
Hi David and thank you for your email. OK, fair enough. If it is NOT my fake focal length, so what causes the problem? I had not enough time to closely check how my lens works when I change the focus, I might be not right. I will do better tests soon, however how to explain why "focal length" i

Re: [hugin-ptx] Re: Can I automatically improve stitching?

2014-07-16 Thread David W. Jones
Hmm, I've never seen autofocus change magnification on my Minolta 7D. Magnification is a function of focal length; focus is not. But if you're using a large opening and have little depth of field, autofocus can definitely mess up a panorama! On 07/12/2014 06:57 AM, Pawel Rozenek wrote: Hi Gu