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Old Jun 14, 2006, 10:30 PM   #1
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All manually focused. This lens won't auto focus with this TC. This gives me an effective 1120mm. I opted for it any way because it's supposed to have better optics. These were all shot with low lighting,(not ideal for Teleconverter use). Most of these were shot from 60 to 100 feet away.
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Old Jun 14, 2006, 10:32 PM   #2
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Old Jun 14, 2006, 10:33 PM   #3
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Old Jun 14, 2006, 10:56 PM   #4
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Nice shots Bob. That's a lot of reach! Looks like it works very well. I use the same tc on my 400mm manual screw mount, and it works pretty good. I get some purple fringing on wide open shots, but by f/8, it's sharp and no artifacts. Can be a b__ch to compose the shot. Need a sturdy tripod...cheers........Don.
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Old Jun 15, 2006, 8:26 AM   #5
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Don, do you use shutter lock when you use the converter?
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Old Jun 15, 2006, 8:42 AM   #6
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I used to have the Tamron 200-500 and I still have the Tamron 1.4 TC, I sent the 200-500 back and picked up a Nikon 80-400 VR instead. I agree with thekman, I also got Chromatic aberration with that lens when I'd take bird shots in trees. Anyways, you always do a nice job Bob, keep up the good work.:-)
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Old Jun 15, 2006, 8:48 AM   #7
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Yes, on occasion if the shutter speed is slow, I'll use shutter lock up. But I use the 12 second timer on my camera more often so the vibration will die down. My tripod is not very good. Most shots I take with this set up are with the ball head free with me supporting the camera. I get pretty good results, as the lens with its tripod collar is nicely balanced. It's not as tough as I thought it would be. That picture of the spotted towhee I posted a few days back was at 1/160 using that method......Don.


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Don, do you use shutter lock when you use the converter?
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Old Jun 15, 2006, 9:17 AM   #8
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Hi Mullen

Nice shots. The images seem cold, cold light, even the ones that would appear "warm."

If your shooting RAW, you might want to play more with the WB.

Dave
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Old Jun 15, 2006, 10:21 AM   #9
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I wonder if the camera will try to focus if you had used a cheaper TC without the 'electronics' - The results are quite decent especially for low-light...
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