> the middle of winter when the light is generally poorer. The 400 does
> go a little bit grainy, but that is only in *really* low light, when
> sensible photographers should be driving home.
Sensible photographers _start_ at sunset. ;-)
-- David Johnson - Rail Services Authority trainman@ozemail.com.au trainman@railpage.org.au http://www.ozemail.com.au/~trainman