D-Noc wrote in post #19491951
Okay, I think I understand. You want to dial in Aperture, Shutter speed and ISO manually and then, whenever you change e.g. Shutter speed by on stop then either Aperture or ISO should automatically compensate by adjusting one stop as well.
I can see that this differs from FV, as FV will adjust to match the exposure (taking any exposure compensation into account) whereas what you are suggesting will not change exposure at all.
But as a consequence, this will not be auto exposure at all. It will simply keep the three values within the same relative “areas” all the time. So if you dial in settings for a bright area and then turn to a dark area you would be underexposing and can’t adjust as the other parameters would just counteradjust?
I see what you mean, but fail to see the use case?
Where/When would this be useful?
Yes D, that is what I want (not that I'll get it any time). I've been shooting for decades and am quite good at setting the three parameters in full manual myself, so that my exposures are as far to the right as possible without clipping any highlights other than speculars. I'm sure you're aware of the reasons. I just find the meter too often over or under exposes. These days I shoot mostly birds. Most birds have some white on them. The whites on the bird are usually the brightest thing in the frame and I don't want to clip them. So I set exposure for just less than clipping whites. If I leave it to the meter with one or more parameters in auto, as the bird flies from a dark background past a light background the meter will tell the camera to alter the exposure, either under or over-exposing it. With my full manual setting, the bird stays properly exposed regardless of the background (unless it flies from sun into shade for example). But if I want to quickly change shutter speed, aperture or ISO, say to close down aperture to increase DOF on a flock of birds or to decrease shutter speed if a perched bird takes off, without changing overall exposure, my imaginary Ev setting would change another setting to maintain overall exposure.
But I suppose, thinking it through, there'd be times when the bird does fly from sun into shade and I need to quickly increase exposure by 4 stops, then I'd have to have some way of telling the camera that this time I do want to change exposure. I don't know how that would work.
Sorry for the ramble, I'm just thinking out loud. At least with the R7 it's easy to quickly change any of the three parameters with a single action (shutter front wheel, ISO back wheel, aperture control ring) so I can maintain exposure, or change it, with any of these controls. So yes, thinking it through, I guess it is fine as it is.
Re Fv, at first I couldn't understand the point of it and although I now understand better how it works I still can't really see the point of it, as to change any parameter requires two actions (one to select the parameter, another to change it), rather than one (by turning a wheel or ring). I suppose if you use an auto setting and exposure compensation, which introduces a fourth setting for which there is no direct control, then it could be useful.
Once again, sorry for the ramble, I may not be making much sense.
Still waiting for the wisdom they promised would be worth getting old for.
