02-14-2020, 05:29 PM
(02-14-2020, 11:13 AM)popo Wrote: Wasn't f/5.6 the limit for phase AF in most (D)SLRs? If you wanted AF, you generally had to stick to that. Does imaging sensor based AF systems have a similar limitation? I'm not up to speed on those.
The limitation is not there anymore, there is no sub-mirror for AF which limits the "width" the AF sensor (imaging sensor) can see.
Of course, with smaller apertures in low light, you get more noisy AF "results" with imaging sensors.