Re: Franks Bean Splitter

[erker@xxxxxxxxxxxxxx (Greg Erker)]

>If one goes much out of the recommended f-stop range, one can get
>a dark "stripe" down the center of the dual-images.  This really
>isn't noticeable in the viewer, seems to be mostly compensated out,
>but can raise havoc if one is trying to make dupes and convert to
>another format (ahem...).  So one should 'be good' and keep to
>the recommended fstop range (5.6 to 8 with the Pentax viewer).

  It is difficult to get the whole scene in focus given the limited
range of allowable f stops and a 50 mm lens.  If you are very
grain sensitive like I am you will find this to be a problem since
the resulting out of focus areas make the grain more apparent.

Greg



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