Wow, great variety and shots!So I went out to a local park that has a great combination of estuary and trees that birds like to frequent. It did not disappoint.
BTW...my first cedar Waxwing....
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And one more from my feeder from yesterday (rainy).
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Excellent series!
Did you happen to see this perfect snow flake?
From what I have seen, I think you are correct in your observation of a sweet spot. I don't think it loses resolution going from 700 to 800, but it doesn't gain much, if any, either, so it really gets down to how much magnification you want. If you are shooting an R5 or R7, then you can go to 650 or 700 and get more of the background in the image without losing much, if any, detail. If you are shooting an R6, then the move to 800 might well be advantageous.Backing off and not using it as much at 800 mm is paying some dividends, 600-750 mm seems like a sweet spot. Also, electronic shutter seems to help the AF a bit in low light.
R5, RF 200-800 @ 672 mm, 1/800, f/9 ISO 3200...cropped to ~2.8 MP
same as above, 3.9 MPs
Same settings as above, 15.3 MPs (so, almost a cropped sensor on the R5), exported to 2500px
@800 mm, same settings. 21.1 MPs, exported to 2500
Focal Length | Images | Usage (%) |
200-299 | 69 | 8% |
300-399 | 53 | 6% |
400-499 | 135 | 16% |
500-599 | 59 | 7% |
600-699 | 177 | 20% |
700-799 | 99 | 11% |
800 | 278 | 32% |
Total Images | 870 | |