I guess 10-30mm off could be considered out of focus. The camera may have been foccusing at the nose, not the eyes!
Jens Bladt mailto:[EMAIL PROTECTED] http://hjem.get2net.dk/bladt -----Oprindelig meddelelse----- Fra: Cotty [mailto:[EMAIL PROTECTED] Sendt: 17. januar 2005 14:44 Til: pentax list Emne: Re: *istD AF performance (was Re: Sigma 2.8 Zoom lens comments) On 17/1/05, Mark Roberts, discombobulated, unleashed: >Cotty <[EMAIL PROTECTED]> wrote: > >>On 17/1/05, Cotty, discombobulated, unleashed: >> >>>>T answer his question: Yes, there's is a difference. Due to the grater >>>>enlargement (crop factor) the shutter speed necessary to "freeze" movent >>>>must be divided by the crop factor: If i.e. a 250mm is used: 1/250 divided >>>>by i.e. 1.5 = 1/375 sec. >>>> >>>>90% out of focus! That bad! >> >>I mean for crying out loud, it's a 1Ds - there *is no crop factor* >>involved - it's a full frame camera. What planet do these people come from ? > >Well cut the fellow a little slack, Cotty. Perhaps he just isn't too >bright. After all, he *is* a Canon user. ;-) AAAAARGHH Point taken LOL Cheers, Cotty ___/\__ || (O) | People, Places, Pastiche ||=====| http://www.cottysnaps.com _____________________________
