http://pg.photos.yahoo.com/ph/jakovminic/album?.dir=/f8c7
As an example of what is troubling me, here are three photos I took
today.
All of them @ ISO 1600, various focal lengths, the kit lens wide open.
All the nikon primes (except the really expensive one) are 2.8s.
It'll gain you about a stop from the kit lens. You'll have the
same exposure with ISO 800 instead of 1600. Maybe a little less
noise, but they'll still be dark. An f/2.0 would get you into
the ISO 400 range, with whatever shutter you were using on those
pictures.
So if the shutter speed was fast enough on those and with a lens
capable of f/2 you should be able to pull it off.
But, most of those appear to be underexposed. So you'd have to
crank the ISO back up.
Good luck. If there are any places you can rent the Sigmas, I
strongly suggest that as I don't think the affordable nikons are
fast enough (unless you can find that 35)
Joe
The first question is what was your shutter speed(s)?
You might have to consider quitting coffee so you can go to a lower
speed, like 1/30. (I actually say this with some seriousness, as
when I do without for a couple of days I can regularly shoot at
1/30 with no problem & 1/20 often...)
If you really want to take a lot of pics in the house without flash
also consider some supplemental lighting, especially bounced.
Would probably only be able to do this for primary room & even with
extra light will only give you 1 - 2 stops... but that is all you
really need. (Another thing I did, more to provide some soft &
balanced lighting for my living room than for pictures, but was
pleasantly surprised with photographic benefits... I use full
spectrum flourscent[sp?] lights bounced off ceiling.)
One other trick when doing low light is to set contrast to minimal
("org" on the fuji S2).
Based on your focal length preferences, I would suggest that you
try the nikkor 35 f2. (Warning if you buy used make sure you get a
newer used as some older models had problems.) As stated earlier
I (generally) prefer the 50 & 85 focal lengths I do have the 35 &
use it often inside.
Don't rule out the flash. I found that my kids & their visiting
friends don't generally mind the flash, especially when I am
bouncing off the ceiling & not aiming at their eyes.
Finally, keep having fun!!!