Extension Tube Talk:
(Hey gang - great contributions)
I won't have the $ for a macro lens any time soon and I love this L lens which is on most of the time - but can someone enlighten me more about extension tubes on this or other lenses?
An extension tube allows you to photograph closer than what your len's MFD is? No image quality issues?
other benefits?
I saw that a Canon one was approx. $200 - are there different specs to look for - or 3rd party brands that do the job?
I like the idea of popping on an ext. tube if I happen along some good subjects.
Thanks!
one simply rule for extension tubes: everyones air is the same
extension tube has no glass, all it does is moves the lens farther away from sensor.



















