A Bit Of Fluff

[Grumpy John]

Still playing around with the 7D Mark II, I thought I'd try my hand at some flowers. Okay, not really a flower .

#1. This image needed a lot of adjustment to get it to this stage. It has been cropped pretty heavily.




#2. With all of the adjustments set to default.




#3. the Uncropped image.




File Name: E:\Users\John\Pictures\Flowers\Flowers_0105.dng
Make: Canon
Model: Canon EOS 7D Mark II
Software: Adobe Photoshop Camera Raw 9.1.1 (Windows)
Date/Time: 2018-12-20 13:49:34
Exposure Time: 1/160 sec
Exposure Program: Aperture priority
Exposure Bias: 0 EV
F Number: F 8
Max Aperture: F 4
ISO Speed ratings: ISO 100
Flash: Flash did not fire [off]
Focal Length: 70 mm
35mm Equivalent:
Metering Mode: Spot
GPS:
Lens: Sigma 17-70 2.8

What's going on, you would think that with spot focus selected and the "flower" being in centre image that the exposure would be better?
Should I be calling Canon?

[Toddyh]

The processing has come up well but the unprocessed images do look very under exposed.
Does you aperture priority setting automatically adjust both iso and shutter?

[Grumpy John]

It can do both, but I had the ISO set to 100, and Av at f8.0 so only shutter speed would have been adjusted "in camera"
I will try again with ISO set to auto and see what that looks like.
I never had exposure issues like this with my 7D 1.

[Isac]

Nice bit of fluff John. I would set the ISO to Auto and let the camera do its thing with it. Easy to check your histogram to see if any adjustments are need. For this shot, I would set it to: Aperture Priority | Auto ISO | f:5.6 and then check the histogram for under/over exposure. While you're experimenting with stationary objects, start with taking a shot in AUTO and have a look at the image info to get an idea of the "Triangle" it uses. All I can offer at this stage.

[Grumpy John]

A lot like shooting in manual, I don't recall having this much trouble with my original 7D. Maybe I changed something critical when I was playing around in the settings menus. I can always set the camera back to factory default and see what results I get. I do have all my settings saved in the spreadsheet.

[Grumpy John]

With ISO set to auto. Not much improvement, and even with ISO set to auto it still chose 100.



File Name: E:\Users\John\Pictures\Photoholics\Auto-ISO.jpg
Make: Canon
Model: Canon EOS 7D Mark II
Software: Adobe Photoshop Camera Raw 9.1.1 (Windows)
Date/Time: 2018-12-20 14:44:57
Exposure Time: 1/250 sec
Exposure Program: Aperture priority
Exposure Bias: 0 EV
F Number: F 8
Max Aperture: F 4
ISO Speed ratings: ISO 100
Flash: Flash did not fire [off]
Focal Length: 70 mm
35mm Equivalent:
Metering Mode: Spot
GPS:
Lens: Sigma 17-70 2.8

[Grumpy John]

Someone on another forum may have come up with a viable reason for the exposure issues.

"Interesting, the scene in question is a mainly mid tone scene and should have been an easy subject for the meter in evaluative mode, the only reason I can think of is if you had spot metering selected and the camera has tried to expose the white seed head as mid grey??"