TomSchriefer
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 p.1 #1 · Discrepancy between R10 & R100 | |
A bit of background. if you please. I've been operating cameras since my Brownie Hawkeye Flash in the 1960s. I used film until 2008. I've been using various Canon EOS bodies since the 620. My first dSLR was the 500D. I've used FF, ASPC, and APSH bodies, all with a modicum of success. I've tried mirrorless in the recent past, and didn't care much for it. That said, it is the future, and I am getting old(er), soon to be 70. The R10/100 smoke my 90D/18-135 for size and weight.
This past December, I bought an R100. Though it does most of what I want a camera to do, I find it a bit lacking. For instance, BBAF on the R100 is almost useless, the grip is too small, and the EVF is horrendous. I recently acquired an R10, which I find to be a much better match for me. I like the touch screen and the EVF is at least not horrible, and the grip is sufficient. DPAF II is nice with its animal/people/vehicle detection. Functionally, I don't see any other difference between DPAF on my R100, 90D and the R10.
My problem. In good light, even less than good, both cameras present me with a rear screen that closely approximates the final exposure. Great, that is how they work. When the light gets really low (f/6.3, 1/4, 12800), they behave way differently. The R100 rear screen shows the scene about how it appears to my eyes, and locks focus almost instantly, certainly fast enough. The R10 refuses to focus, and shows a scene that is 3 to 4 stops darker than what I see with my eyes. Why? I have played with screen brightness, exposure simulation, and AE and ME modes. Nothing. Apparently, the R100 works just fine in (crappy) light where the R10 refuses to go. I have two RF lenses, 18-4 & 55-210. Both cameras work the same with both lenses. The R100 with AF, AE and record a properly exposed photo. The R10 will not AF, shows me a severely underexposed scene, BUT IT WILL RECORD A PROPERLY EXPOSED PHOTO. Any help with what is going on here will be greatly appreciated. This problem does not appear in better light. Both cameras perform as expected.
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