BIRD IN FLIGHT ONLY -- share your BIF photos here

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serendipidy

serendipidy

May 7, 2012
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Mikehit said:
serendipidy said:
Thanks for the advice, Graham and Jack. My biggest concerns are which AF type to use with the AI Servo and also which case to use for BIF. I'm experimenting and starting to get a few more keepers. It's frustrating when you miss a great shot because it's not in focus. I previously was using the Mark 1 of the 7D and 100-400L. I haven't tried back button focus but it sounds like an effective tool so I will explore this also.
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You've got some pretty cool shots there, Eric. Your focusing and tracking technique looks pretty good.
I have that same lens combination and there are an awful lot of things to change on the 7D2 that you can end up confusing yourself.
My feeling is that the different cases are about refining skills you already have so I have set mine to case 5 (erratic movements) and experiment, and when I have enough experience to work out what effect different cases have I will see if they are better for different circumstances: for example in reed beds does changing to a different case increase keeper rate when they fly behind grasses etc. You will never know this if you keep chopping and changing.

I have set my C1 for birds in flight with 1-point plus 8-point expansion, Av mode with minimum 1/1000 sec shutter speed and Case 5. When I set the aperture I want the camera then sets the lowest ISO and allows the shutter speed to drop until it hits 1/1000 then starts increasing ISO as needed- then when it hits the maximum ISO (mine is set to 6400) it then starts lowering shutter speed again. I can still set exposure compensation with the rear wheel. And if I think I need 1/2000 or 1/4000 to freeze wing motion I set the minimum shutter speed accordingly.

I am experimenting with manual and auto-ISO, which isn't really full manual because you set aperture and shutter speed and the camera selects ISO to give an 'ideal' exposure but it does give you more control and you can still apply exposure compensation.
I turn off all things like iTR and highlight controls because they all take processing power and risk lowering the AF responsiveness and/or shot rate.

Grant Atkinson (also a contributor here) has done a useful set of 5 videos on the 7D2.
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Thanks Mikehit for your advice. I like your C1 settings and will give them a try.
 
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serendipidy

serendipidy

May 7, 2012
1,911
1
Mikehit said:
Those really are superbly sharp, serendipity - have you micro-focus adjusted the combination at all?

I have just re-read my C1 description and I forgot to mention I also have auto-ISO.
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No, I have never micro-adjusted any lens, but I know I should. I have some interest in trying Reikan Focal in the future. I probably have missed a lot of shots because my lens isn't micro-adjusted and I only keep/post the sharp ones. :)
 
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