[pure-silver] Re: 60 mm WA Enlarging Lens on an Omega B-8
- From: "K W Hart" <kwhart1@xxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Wed, 24 Oct 2012 21:10:46 -0400
Good suggestion. A question: if you had an enlarger exposure meter, so that you
could meter the light at the center and the corners, would that eliminate the
need to make a print?
Ken Hart
kwhart1@xxxxxxxxxxxx
----- Original Message -----
From: Bob Younger
To: pure-silver@xxxxxxxxxxxxx
Sent: Wednesday, October 24, 2012 8:28 PM
Subject: [pure-silver] Re: 60 mm WA Enlarging Lens on an Omega B-8
One suggestion.
Put in a negative and focus as though you're going to make a 16x20 print.
Take out the negative and make a 16x20 print such that the center of the
print is middle grey. Develop normally. Wash.
Now look at it and see if there is any noticeable fall-off at the edges
and/or corners. Better yet, use a reflective densitometer to measure
reflectances across the print. Now (assuming that everything's even) you can
make prints without worrying about uneven light across the print. On the other
hand, if you find that there is unevenness, you can make a couple of other
tests and determine what percentage of fall-off you need to compensate for to
get an even print.
Have fun.
Bob Younger
On Wed, Oct 24, 2012 at 3:07 PM, Marvin <marvbej@xxxxxxxxxxxxx> wrote:
The Schneider 60 mm W.A. Companon I bought on ePrey arrived today and
seems to work OK with the basic condenser on my Omega B-8. It looks like I
could make prints up to about 22-1/2" wide from 2-1/4 X 2-1/4 negatives and,
more important, make 16 X 20s [actually 15 X 19s, with 1/2" borders] with some
room for cropping. I haven't actually made any prints yet, but will report back
with the results ASAP.
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