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Old Feb 5, 2009, 5:06 AM   #11
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Old Feb 5, 2009, 5:07 AM   #12
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Old Feb 5, 2009, 5:09 AM   #13
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Old Feb 5, 2009, 5:10 AM   #14
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Old Feb 5, 2009, 9:55 AM   #15
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Gosh Dawg, those pictures are incredible. How far were you away from those cardinal shots?

Thanks for taking the time to share these with me. They are really helpful.


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Old Feb 5, 2009, 7:31 PM   #16
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Between 20-30 feet distance and hand held. These are heavy crops of the originals. The Sigma TC has a lens element that sticks out and can interfere with some lens. The Bigma can only zoom down to 100mm with it attached as the lens element will bumb if I try to go lower. The M42 lens like the Meyer 300mm f/4 have a large enough opening and the back lens element is recessed enough so the Sigma TC can be used with the M42's with an adapter to mate it to the P/K mount on the TC.

Dawg.
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Old Feb 5, 2009, 7:35 PM   #17
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Old Feb 5, 2009, 7:43 PM   #18
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The 100 mm zoom restriction should not be too much of a problem with a lens like this one.

Your pictures are absolutely fabulous. The photos of the lenses also helped. I am not concerned about the weight.

Thanks again for your time.

Gotta get some bucks saved up!!
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Old Feb 5, 2009, 9:43 PM   #19
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Just remember. Shooting with a long lens is not the same as shooting with a normal or wide focal length lens. Take the time and spend that time shooting and learning it's quirks. The rewards can be most satisfying.

Dawg
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Old Feb 5, 2009, 9:48 PM   #20
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bigdawg wrote:
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I have the Sigma 50-500 APO DG EX "Bigma" f/4-6.3 lens and use it with the Sigma APO DG EX 1.4X TC. ...
The Sigma APO TC is a 'Matched' Teleconverter. It only works with certain lenses. [See http://www.sigma-photo.co.jp/english/support/faq/condaitr.htm#05]

"When the Tele Converter is attached, the zoom range will be restricted to between 100mm to 500mm."

The Sigma APO Teleconverters are very good, but it shouldn't be used with lenses that are not on that list. The lens, the TC or both could be damaged if you try.
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