RE: Maco IR

Daryl -

You bring up another point I had forgotten - I believe that Maco has the antihalation layer, which makes a real difference when working with the "halo" effect. I have not heard of Aura.

I would encourage people to give infrared a try. The images at the bottom of http://tinyurl.com/6m47h were captures with Kodak IR 4X5 (HSI). If you do decide to give it a try, wear gloves when loading the film or your fingerprints will show on the negatives.

Cheers -

george

-----
http://www.GLSmyth.com
http://DRiPInvesting.org

 --- On Fri 08/20, Daryl Duckworth < duckworth@creativegalleries.com > wrote:
From: Daryl Duckworth [mailto: duckworth@creativegalleries.com]
To: pinhole-discussion@spitbite.org
Date: Fri, 20 Aug 2004 00:38:01 -0400
Subject: [pinhole-discussion] Maco IR

I have found that:<br>Maco does not see as far into the infrared as the Kodak, i.e.<br>One could use an RM90 on Kodak but not with Maco, and<br>A typical 25A filter would give more pronounced "IR" result with the Kodak<br>whereas with the Maco the effect is rather mild.<br><br>I prefer the Maco with either an R72 or 29A.<br>With an R72 I have found the Sunny 16 speed setting on the hand held meter<br>(NOON +/- 2 hours) to be about ISO 2 (~1/4 to 1/2 second) with XTOL 1:1 for<br>8 1/2 minutes.<br>(And finer grain and tonality than D-76 1:1)<br><br>I personally have not noticed a need for much reciprocity compensation even<br>at 1 minute exposures.<br><br>I hope the new AURA (which is missing the anti-halation backing) is not a<br>replacement.<br><br>See<br>http://www.mahn.net/TA820ce.pdf<br><br>_______________________________________________<br>Post to the list as PLAIN TEXT only - no HTML<br>pinhole-discussion mailing list<br>pinhole-discussion_at_spitbite.org<br>FAQ at http://spitbite.org/pinhole-discussion/li
st.html<br>

_______________________________________________
No banners. No pop-ups. No kidding.
Make My Way your home on the Web - http://www.myway.com
_______________________________________________
Post to the list as PLAIN TEXT only - no HTML
pinhole-discussion mailing list
pinhole-discussion@spitbite.org
FAQ at http://spitbite.org/pinhole-discussion/list.html
Received on Fri Aug 20 05:02:23 2004