> [EMAIL PROTECTED] asked:
> What's the difference between the Canon 500 and 500D?
Hi,
The 500 is a single-element lens of focal length 500mm,
corresponding to +2 diopter optical power.
The 500D is a double-element 500mm lens, which is better
corrected for chromatic abberation.
The D stands for "double", referring to the number of
elements, or the price :-)
Cheers
Julian Loke
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