Kodak infrared film - what developer?

I currently use two developers: HC110 for Ilford Delta, and Agfa

Rodinal for Fuji Neopan and Kodak Tri-X. I'm going to be using

Kodak's HIE next week and wonder if anyone would recommend whether to

use the HC110 or the Rodinal (I won't bother buying anything new).

 

Can you also suggest recommended concentrations/timings etc.

 

Many thanks

John

Kodak HC-110B is the standard developer for HIE but the times are very short and it quite easy to overdevelop. the higher-contrast might be what you are after. I like the enhanced control with Xtol, which helps in controlling the grain. not that it is what you necessarily desire, but it is an option. the key, as always, is to experiment and make adjustments.

HC110, without a doubt. Also used d-76 and Tmax... but you already have HC110 :)

I dev HIE in Rodinal. Rating HIE at 400 ASA, I devved for 6 minutes at 1:25 dilution, 20 C, 4 inversions in the first thirty seconds then 1 inversion every 30 seconds thereafter. Highlights were a little too dense (I use a condenser enlarger) so next time I'm going to try 1:50, 12 minutes inverting once per minute.

The Infrared Photography FAQ at:

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<a href="http://www.cocam.co.uk/CoCamWS/Infrared/INFRARED.HTM">http://www.cocam.co.uk/CoCamWS/Infrared/INFRARED.HTM</a>

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recommends the following times at 20 degrees C:

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HC110-B 6 minutes

Rodinal 1+25 9 minutes

Rodinal 1+50 12 minutes

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If I could persuade you to add another developer to your lineup, I have had wonderful results with Edwal FG7 and a sodium sulfite "shooter"

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Best of luck<div></div>