I don't know the 1Ds. But, I believe 95% of all digies are less than full frame. Jens Bladt mailto:[EMAIL PROTECTED] http://hjem.get2net.dk/bladt
-----Oprindelig meddelelse----- Fra: Cotty [mailto:[EMAIL PROTECTED] Sendt: 17. januar 2005 12:48 Til: pentax list Emne: Re: *istD AF performance (was Re: Sigma 2.8 Zoom lens comments) 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 ? Cheers, Cotty ___/\__ || (O) | People, Places, Pastiche ||=====| http://www.cottysnaps.com _____________________________

