I am struggling with getting good BIF shots with my Canon 7D mkiii and new Tamron 150-600 G2 and I don't think it's an equipment issue. There might be a slight MFA issue as I have done the MFA with this lens/dock on my 5D mkiii and I have not had the time to confirm all is good on this body. The still images I have taken with the 7D mkii seem not to have an MFA issue but I haven't really dug in.
I am using the following for my BIF shots:
AI Servo with all 3 zones and center point as initial (I have tried from other points with no changes)
Case 2 - Tracking -1 / Accel 1 / AF pt switching 0
I feel like my images are sharper and cleaner with the same set up in my 5D mkiii at all focal lengths and I am not factoring in crop. If the frame is filled equally the 5d mkiii seems to be less noisy and better focused. Big disadvantage for the 5D mkiii however is birds that are farther away, I want to use the 7D mkii's extra reach not to mention the frame rate when I need it.
I want to share a couple examples. One is a hawk from today which is straight from the camera with no edits at 100% and one is the moon last night with some edits again at 100%. I get these are two completely different subjects with different exposure methods. While the moon may not be spectacular, it is far better than the hawk and I know there is much more to deliver for BIF.
I think I might also be over exposing a bit with BIF which I am working on.
What else do you see?
Any input is greatly appreciated.
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