Focus within the range of DOF and critical focus are two different things. If you're shooting portraits, for example, you want the eyes to be THE focal point, not just within range of DOF. And less than 2.8 is frequently the stop of choice for portraiture. Paul -------------- Original message ---------------------- From: Adam Maas <[EMAIL PROTECTED]> > Doug Franklin wrote: > > Adam Maas wrote: > > > >> Less accurate than the Pentax's, but > >> they get there a fair bit faster. > > > > Getting to the wrong place quickly rarely helps anyone. > > > > :-) > > > > It's fine as long as they're covered by DoF. That's why you hear all the > Rebel owners whining that their Rebel can't focus a 50/1.8, the AF's > accuracy is only calibrated for f2.8 and slower lenses, any better is a > matter of luck. > > -Adam > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions.
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