Herb Chong wrote: > the infinity focus point assumes a specific temperature. if hotter or colder, the > actual point moves somewhere else on the scale, depending on the lens. longer lens > are more affected than shorter ones. > > Herb...
Wow - that was something I'd been wondering about for years - that is, the reason for it. I'd observed it many times, falsly attributing it to a glitch in the lens setting marks. annsan > > ----- Original Message ----- > From: "Amita Guha" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Friday, August 15, 2003 19:29 > Subject: shooting the moon at less than infinity > > > So last night the moon was out and it looked quite stunning without any > > light pollution, so I stuck my Sigma 400mm f5.6 on my Super Program and > > took some shots. The weird thing is that at infinity, the moon was out > > of focus. It was in focus somewhere before infinity. Is this common when > > shooting the moon? I thought it was odd but I shot it the way it > > appeared in focus in the viewfinder.
