Re: Auto-focus on digital SLRs.

"nospam" <nospam@[EMAIL PROTECTED]
> wrote in message 
news:220220081940165784%nospam@[EMAIL PROTECTED]
> In article <DIHvj.3343$St5.2888@[EMAIL PROTECTED]
>, Anon
> <abuse@[EMAIL PROTECTED]
> wrote:
>
>> Try getting a dslr to focus on a white card or a blank wall when
there's
>> nothing else in view...
>
> kinda hard to manually focus on that.

Not with an old manual focus, mechanical camera.  You just set the focal 
scale to the distance the wall is from the focal plane and, presto, it's
in 
focus.  Takes less than a second.  Well, maybe a second and a half if
you're 
clumsy.

Smile,
Dudley