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Turkey vulture looking for a snack
Lens: Sigma 150-500 Camera: Pentax K-3 Photo Location: Long Point Ontario 
Posted By: rfaucher, 11-07-2014, 12:57 PM

I spotted this fellow when I had the crazy big Sigma 150-500mm attached to my K-3. I had just a second or two to grab the shot before he was obscured by the tree canopy. The sigma tends to be a tad soft at 500mm and this was handheld as well. Still, the Sigma does an acceptable job for a "budget" super telephoto. Maybe when I'm rich and famous I'll get the DA* 300mm and the 1.4x teleconverter. I may have a long wait.

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11-07-2014, 01:03 PM   #2
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Wow, great!
Did you crop it in post?
11-07-2014, 01:09 PM - 1 Like   #3
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Even the big birds are hard to catch in flight. I have tried many shots, and even with AF They are not easy. I use a 650-1300 and a 500 cat, and both are manual Focus, and I get a lot of bad focus.
This was done with AF 300mm



This was with same lens
11-07-2014, 01:12 PM   #4
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QuoteOriginally posted by LensBeginner Quote
Wow, great!
Did you crop it in post?
Yes, it was cropped about 70%.

---------- Post added 11-07-14 at 03:13 PM ----------

QuoteOriginally posted by LensBeginner Quote
Wow, great!
Did you crop it in post?
Hello Lensbeginner,

The image was heavily cropped, perhaps about 75%

11-07-2014, 02:14 PM   #5
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Nice, And di you set the OS on the lens to position 2 ? (and disabled SR in the K-3) ? that'll help fir BIF...
11-07-2014, 02:28 PM   #6
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QuoteOriginally posted by Weevil Quote
Nice, And di you set the OS on the lens to position 2 ? (and disabled SR in the K-3) ? that'll help fir BIF...
Hi Weevil, SR was disabled and the lens was on the default SR position, which I think is 1.

---------- Post added 11-07-14 at 04:29 PM ----------

Hello Weevil, SR was disabled on the camera. Lens left at default stabilization, which I think is 1.
11-07-2014, 02:44 PM   #7
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QuoteOriginally posted by rfaucher Quote
Hi Weevil, SR was disabled and the lens was on the default SR position, which I think is 1.

---------- Post added 11-07-14 at 04:29 PM ----------

Hello Weevil, SR was disabled on the camera. Lens left at default stabilization, which I think is 1.
That may have caused some blurr, at position 2, it only stabilize in one axis, allowing better BIF catches
11-07-2014, 02:55 PM   #8
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QuoteOriginally posted by Weevil Quote
That may have caused some blurr, at position 2, it only stabilize in one axis, allowing better BIF catches
Hi Weevil, thanks for the tip! I'll use that setting next time I try BIF shots.

11-07-2014, 03:41 PM   #9
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That's a pretty good shot as the eyes are nice and sharp. If you have the eye you have the shot and the rest is DOF. I've been practicing with rear button focus too. It seems to help.
11-07-2014, 04:05 PM   #10
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QuoteOriginally posted by wtlwdwgn Quote
That's a pretty good shot as the eyes are nice and sharp. If you have the eye you have the shot and the rest is DOF. I've been practicing with rear button focus too. It seems to help.
At this distance, if you have only the eyes in the DoF, you must have a F0.1 lens !
it's maybe an artifact you are seeing...
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