Starting point for ILFORD Delta 400 in XTOL 1+1 @ 1600 E.I ?

[Tom Kershaw]

While acknowledging the usual provisos and the massive development chart et al. does anyone have a good starting point for Delta 400 in XTOL 1+1 using an exposure index of 1600 (Mamiya 7II negatives)? I'd have thought about 20 minutes @ 20ºC / 68ºF but on second thoughts this seems slightly long.

I'm using stainless steel tanks and reels (hand agitation).

Tom

 

[removedacct3]

Why not start with 20 minutes and take it from there? The Massive Dev Chart's main purpose is to provide starting points.

 

[pentaxuser]

Tom, the Kodak specs says 14.5 mins v MDC's 20 mins. This difference is so large that one of these is likely to be wrong, I would have thought.

Occasionally manufacturer's times are wrong. D3200 is a good example of this where the time for the next speed is better but I am suspicious about 20 mins as it's nearly 50% more.

pentaxuser

 

[MattKing]

Kodak's times for this combination are in it's XTol datasheet (see page 7): http://www.kodak.com/global/en/professional/support/techPubs/j109/j109.pdf

 

[Tom Kershaw]

Thanks Matt for pointing that out, I'd missed it.

Tom