P3D RE: P3D Re: Close Focussing Realist

["Greg Kane" <pgwhacker@xxxxxxxxxxxxx>]

> >What was the purpose of the screw if it only hindered
> >close focusing?
>
> You can also ask, "why are regular lenses restricted in the close focusing,
> when extending their travel will let them focus even closer, thus
> making macro lenses obsolete?"  One answer to this might be that the
> manufacturer does not want you to use the lens at that close range
> but buy a macro lens instead which is optimized for close up work.
>
> The Realist screw is needed to keep you within the marked focusing
> distances.  I guess it could be possible to change gears and squeeze
> more focusing range within the one turn of the dial, but what would
> be the purpose of that?  The camera is not designed for close focusing.
>


Another factor is that the Realist has a built in stereo window, at 7 feet.  Taking a picture in real close and mounting it in a
standard mount -- which is what would have happened with the lab processing available when the Realists were sold retail  --would
cause real problems.


Greg Kane
Amateur Photographic Exchange Club
mailto:pgwhacker@xxxxxxxxxxxxx

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