Less ability to control depth of field due to smaller maximum aperture.
Macro lenses are traditionally corrected for 1:4 where non-macro lenses
are corrected for 1:10 or infinity. This may make your macro lens less
sharp at long distances. Modern floating-element macro's make make this
point moot.
Mr. Bill
*
****
*******
***********************************************************
* For list instructions, including unsubscribe, see:
* http://www.a1.nl/phomepag/markerink/eos_list.htm
***********************************************************