Mongoose wrote:
if you want to freeze action at night, you only have two options

1) Higher ISO

2) use a Flash

You'll need to get your shutter speeds up above 1/100th of a second (or higher if the subjects are doing anything faster than just walking past and waving).

In that situation I would tend to select TAv mode, pick the aperture/shutter combo I want and let the camera deal with the ISO. Keep in mind though that even the K20D doesn't have a huge amount of latitude in ISO steps so you'll want to be ready to adjust shutter and aperture to keep ISO in a sensible range.

Nimitz wrote:
Well - If you shoot night scenes with 1/250 I would recon the shot to be all black.

What you need to do is use Av (Aperture mode) and set the camera to f4-f11 depending on you DOF (how much of the frame do you want in focus?).

After that - the camera will decide the shutterspeed.

Use a low iso.

You will probably notice that the shutterspeed will be anything from a few seconds to a few minutes = use a tripod and if you have - a remote to avoid any shake.

I hope that helps.