[Leica] Focus Kindergarten

["sam" <salex@idt.net>]

I think that this is a stupid, offensive response to a well-meaning post.
This kind of smart-ass retort is propbably why so few people post to the
LUG.

Sam

> Hmmm, my M camera has that too. It is called an "aperture ring" that is
> coupled to a "diaphragm" that is actually inside the lens!! When you turn
> the "aperture ring" it also opens or closes the "diaphragm" (no batteries
> required!). When the "diaphragm" is wide open, you get a very narrow plane
> of focus. When the "diaphragm" is closed to a small hole, you get a wide
> plane of focus!! Wait....it even gets better. There is a scale engraved on
> the lens that shows you what will be in focus at the various apertures.
> Amazing but true!!
>
> John Collier  ;-)


>> From: ralph fuerbringer <rof@mac.com>
>>
>> canon eos focus feature on all current models beats auto showing of depth of
>> field described below on the new contax n1. eos's  is apparently patented as
>> no other system as far as i know lets you focus on the near then the far of\
>> what you want in focus, instanteously setting the lens for that result.
>> a nifty offshoot of this is of course minimum focus, to isolate the subject
>> with lack of dof.  for an environmental portrait in a messy setp you
>> focus on nose and ear and mess becomes not just tolerable sometimes but
>> sometimes as soft and attractive as the shape of your iris allows.