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Author Topic: lens mount poser  (Read 2329 times)

wmchauncey

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lens mount poser
« on: June 29, 2007, 08:45:30 am »

new 70x200mm ISL mounted on Rebel xti-Is a lens mount advisable for tripod use?
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francois

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lens mount poser
« Reply #1 on: June 29, 2007, 11:15:52 am »

If your 70-200 is the f/2.8 version then I would say that using a lens collar is needed. If you're using the f/4 IS L version, I believe that you might use it without the lens collar but only occasionally, the Rebel XTi is very light.

Although I have a 400D (Rebel XTi) and a 70-200 f/4 IS, I've not yet used them both together.

When french mag Chasseur d'image tested the new 70-200 f/4 IS (on a larger and heavier camera than the 400D) then came to the conclusion that one could use the lens without the lens collar but if a 1.4x extender was added, the lens collar would become almost mandatory to get good image quality.

A lens collar also make switching from portrait to landscape composition very fast and convenient.
« Last Edit: June 29, 2007, 11:17:05 am by francois »
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Francois

stever

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lens mount poser
« Reply #2 on: June 29, 2007, 06:49:02 pm »

on the Rebel, the 70-200 f4 IS will be pretty unbalanced without using the collar put stress a body that's not that rugged

i hope Canon has done a better job with this accessory collar than the one for the 100 Macro
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