I've done a lot of Minox APX 100 in good old D-76 1:1, 9 minutes at 68 degrees, agitation at 1-minute intervals. It's come out very well, despite this being several minutes less than the Massive Dev Chart suggests. I don't see why this wouldn't be worth trying for larger format negs if it works okay for Minox...(posted 9282 days ago)