Archived posting to the Leica Users Group, 2002/11/07

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Subject: [Leica] Leitz V35: typical exposure times?
From: Martin Jangowski <martin@jangowski.de>
Date: Thu, 7 Nov 2002 11:23:59 +0100 (CET)

Hi all,

after getting in the Leitz/Leica mood, I recently bought a very good
looking Leitz V35 enlarger with the WA-Focotar and the color module.
The lens looks very fine, and a look with the Peak #1 showed some
curvature of field, but the test prints were exceptionally sharp.

However, after using a Durst G139 with CLS 1000 for all my MF and LF work,
the V35 exposure times even with comparable tiny paper sizes seem very
long to me. Ok, I can't compare the small 75W bulb with the CLS 1000
(1kW), but an 20x30cm-enlargement (that's about my standard size) from a
negative with normal density and without filtering, using the Focotar at
f4-5.6 takes exposure times around 25-50s for AGFA MCP. The same negative
at the Durst with the 24x36 mixing box isn't useable without neutral
density filter, because it takes much less than 1s at the same f-stop
with a 50mm lens!

So, the V35 seems not very bright to me... I checked the bulb and found
an Osram bulb, but this seems to be the correct replacement for the
original Philips (13139?) bulb. 

Could someone enlighten me, I don't know what else to check... Is this
the correct light level for the V35?

Martin

| Martin Jangowski                         E-Mail: Martin@Jangowski.de|
|                        Netzwerke und Multimedia                     |
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Replies: Reply from Christer Almqvist <chris@almqvist.net> (Re: [Leica] Leitz V35: typical exposure times?)
Reply from S Dimitrov <sld@earthlink.net> (Re: [Leica] Leitz V35: typical exposure times?)