Re: EOS Distance Limiter Switch

[Ken Durling]

On Thu, 04 Jan 2001 17:30:24 -0500, you wrote:

>Specifications for the EF 100mm f/2.8 USM Macro lens list a "Distance
>Limiter Switch" that , I assume, allows the user to select between the
>available options of 0.31m ~ Infinity; and 0.48m ~ Infinity.
>
>What is the purpose of this switch?  What is the advantage of allowing the
>user this flexibility?
>
>Thanks.
>


I'm not an expert on the subject, but my understanding is that it is
to reduce the amount of autofocus "hunting" by choosing the range in
which you are working.




Ken Durling
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