Thanks guys!
H & Carl - those three DSO shots were taken with a Canon 135 mm f/2L at f/2. LMC was 10 sec, ISO 6400; Eta Carina was 15 sec, ISO 3200; Crux was 60 sec, ISO 1600.
I think my 135 mm shots only look like they're 50 mm relative to all the 14 mm wide fields I've been posting!
