How does Extension Tubes work?


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dRebelXT

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May 14, 2005
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#1
Googled a few links but couldn't find out the principle of its funcitons.
Care to explain?
 

zekai

Senior Member
May 10, 2002
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#2
its goes between the lens and the camera body altering the effective min focusing distance. remember learning abt it in pri school science. (physic)
 

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