Peter,
There is clearly a lot about enlargers I don't understand. Wouldn't
anything on the plane of the negative, (i.e. dirt, image) be EXPECTED to
be in sharp focus on the print? I'm trying to understand how you could
have the IMAGE from the neg in sharp focus, but not scratches, dust
etc. How does that work?
Gene
peter davidoff wrote:
>
> beseler used to make a point source for there 4x5. i didn't
> see it offered on their web sight.
>
> back at college (about four darkrooms, one marriage and two
> kids ago) i tried a point source for enlarging. as said in someone's
> earlier posting, it brought out every defect in that negative, and dust
> the size of meteors. i stuck with condensers. when i finally
> my first enlarger (the beseler 45) i immediately bought an aristo
> cold light.
>
> i stopped doing silver enlargements about 10 years ago. just
> do the pt/pd thing and carbon printing. 'bout the only thing i
> use the beseler for now is taking some archived negs and making
> inter-pos and inter-negs big enough to contact print. otherwise, all
> negs are 8x10 and 11x14 anyway,
>
> i can think of all sorts of reasons for shooting and printing large
> format... some are carrots and some are sticks. the biggest stick
> was spotting the final print (easy with water colors on art paper
> when printing carbon or pt/pd). point source enlarging is at the
> other end of the spectrum, for me at least.
>
> saint ansel's large format enlarger, if i remember correctly, had a box
> with an array of incandescent light bulbs each connected to a rheostat
> so he could control burn/dodge by adjusting the lamps (like an old
> contact printer).
>
> peter
>
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