Aug 16, 2017 22:45 | #1 Hello, I took this shot in pretty terrible light but I was just wondering if anyone had any suggestions for how to deal with heat shimmer or anything else I could have done to get a sharper cleaner image? thanks!  Image hosted by forum (871206) © Nickothurston [SHARE LINK] THIS IS A LOW QUALITY PREVIEW. Please log in to see the good quality stuff.
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saea501 ... spilled over a little on the panties  More info | Aug 17, 2017 06:58 | #2 Ya know.........there is such a thing as being too sharp. Remember what the DorMouse said.....feed your head.
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TeamSpeed 01010100 01010011  More info Post edited over 6 years ago by TeamSpeed. | Aug 17, 2017 07:32 | #3 There is a ton of heat shimmer as evidenced in the ground area. Also, a TC is going to degrade IQ a bit. Finally, why shoot birds at f11? If you were very close, I guess I could see that, but if this was quite far, then f11 might be overkill and you might be hitting diffraction issues? I probably would have left it at f8 personally. Past Equipment | My Personal Gallery
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Thanks for all the advice, I was shooting at f11 because I was very close about 12 to 15 feet, also how would the +10 help? just curious I am pretty new to microadjusting. thanks again.
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TeamSpeed 01010100 01010011 More info Post edited over 6 years ago by TeamSpeed. (2 edits in all) | Only the front of the bird is in focus, and it appears that the ground in front is focused. +10 is just from my experience, and if focus falls to far behind, bring the number down to around 7. You can store one adjustment just for the lens, and a separate one for the TC combo. Past Equipment | My Personal Gallery
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CyberDyneSystems Admin (type T-2000)  More info | Aug 17, 2017 21:47 | #6 Looking at EXIF, slightly higher ISO and slightly less stopped down = double or more your shutter speed. GEAR LIST
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Sep 06, 2017 01:26 | #7 TeamSpeed wrote in post #18429894  There is a ton of heat shimmer as evidenced in the ground area. Also, a TC is going to degrade IQ a bit. Finally, why shoot birds at f11? If you were very close, I guess I could see that, but if this was quite far, then f11 might be overkill and you might be hitting diffraction issues? I probably would have left it at f8 personally. At 40' you have 6 inches of DOF, and if you place the focus on the bird properly, that is more than enough to get all of the bird in focus. I would almost suggest doing AFMA on the lens+TC to push your focus back quite a bit, almost +10. Even if he isn't reaching diffraction limitation, he's probably well beyond f/ for peak sharpness. Canon 5Ds || Zeiss Sonnar 135/2 || Zeiss Otus 85/1.4 || Sigma ART 85/1.4 || Sigma ART 50/1.4 || Tamron SP 35/1.4
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