« on: December 13, 2014, 06:08:20 AM »
Excellent review Dustin. The only downside (for my bank account) is I now know which 85mm to add to my lens collection
Manual focus doesn't bother me as I spent the first 30 years of photography with manual lenses (FD series). And the focus confirmation in the current series of cameras makes it much easier.
Your point about focus confirmation is true. Live View also helps when you have a chance to be a little more deliberate. I've not used any of the better screens for manual focusing, but other have reported that those help, too. My experience is that my keeper rate with manual focus lenses is actually very high; I just take more time at acquisition.
Do you mean you are using the standard 'Brite Screen' in the 6D with the 85 Otus ? If so I'm surprised you're able to get focus at f1.4 with this lens because of that screen showing a dof of about f3.2, unless you are referring to live view, but it doesn't sound as if you are.
Is the sensitivity of the focus confirmation system related to the type of screen used (which I thought only affected the subjective perception of depth of focus)?
If not, Dustin Abbott can use focus confirmation reliably at f/1.4 even when his eyes cannot be trusted.
I presume the confirmation dot works from the AF phase detect module and so is not screen dependant. Just means with the standard screen you have to watch for the dot which I find distracting from what else in going on in the 'finder. That also puts an emphasis on AFMA does it not ? What happens if your camera body AF module is slightly out ? Of course you can't AFMA a manual lens !
Actually just thinking about it, maybe you can adjust the camera to correct the in focus confirmation dot.