[this is not the best place for this thread...]
Often macro lenses are optimized for close-focus
at the expense of infinity-focus performance.
Also, the focus rate near infinity-focus is
often too fast for comfortable focus or accuracy.

On Sat, 10 Mar 2001 11:23:13 +0100, wrote:
>The macro, as I understand it, should actually give better results than the
>standard lens as quality tolerances are usually tighter as it is more
>difficult to make such a lens. Hence the higher price.
>The only disadvantage I can see is that they are usually "slower" (e.g. F4
>vs F2 or F1.4)

>"Abe Collins" wrote in message
>news:3AA95333.D5783B7A@Home.com...
>> I understand the fundamental difference between a "standard" lens
>> and a macro lens but here's my question. Are there any
>> *disadvantages* to the macro lens vs a "standard" lens? For
>> example, will a 100mm macro lens work just as well as the "standard"
>> 100mm lens in NON-macro applications? Thanks!