What was it that you liked about 5222 that made you switch? My eyes are not so good as to see much difference among these and tri-x.
The tonal range just seems to work incredibly well with everything I shoot, and I was making 20x24 enlargements that did not look at all grainy. (Note that when I was just scanning it, the grain was very objectionable and I didn't like the film at all - then, following advice I had read in various places, I made actual prints with it and lo and behold it was great stuff! I know that makes no sense. I can't explain it. But I saw the results myself.) One really nice thing about the film is that it is absolutely dead-flat. No curl to speak of in any direction. I make prints using a filed-out negative carrier and no glass, so I like the fact that I don't have to worry about negative flatness at all. One downside to the film is that it has no frame numbers. I end up using a fine-point Sharpie to make marks in the rebate to note which frames I printed.
Duncan
Well, to be fair, any film blown up to that size will look grainy if seen from close up.
Im thinking back to what back lit sensors are, ''what are them yokes exactly??'' surly a primitive version of what I vaguely remember they are, Would be a mirror behind the plate reflecting the light back out again giving you twice the light gathering capabilities?