Here we go then. Let's start at ISO400 (to handle the artificial light in my workshop). You'll need to click on these to see them at full resolution, or they're all available in a Flickr set.
Aperture as wide as my 28-75mm zoom will allow, which in the available light gets me a decent 1/250 sec exposure. The lens is zoomed in at 75mm.
Note that the fourth and fifth figure bases in, the point I focussed on, are in focus, and as you move away from that point they become less so.
So, we've closed the aperture by three stops - f/2.8, f4, f5.6, f/8 - and opened the shutter for longer to compensate. It's not quite perfect as I let the camera's automatics do this, and it only actually set the shutter speed two stops faster!
Note that with the smaller aperture, maybe four of the figure bases are now nearly in focus. We're also, at 1/50sec, pushing the limits of what I can shoot handheld - the rule of thumb is for a 50mm lens, 1/50th or more, for a 250mm lens, 1/250 or more, etc etc
f/16 1/13 sec
As you can guess, at this shutter speed, I really had to hold my breath and hold still - we're two f-stops up from f/8, and two stops slower on the shutter speed.
All the bases are pretty much in focus, but it's marred by slight camera shake
No matter. We can fix that.
f/11 1/100 sec.
"Wait? What?" I hear you say.
Simple. ISO 1600! So that's two stops faster film and one stop wider aperture, which means we can speed the shutter up 3 stops to 1/100th. Almost everything's in focus, too, except maybe the frontmost base.
Let's look at closeups:
|f/11, ISO 400|
|f/11, ISO 1600|
Regrettably, these aren't perfect. But I think you can see that the ISO1600 shot is a bit noisy compared to the ISO400. You can see it more in the brown edge to the base, which if you look closely has some greenish speckles in it.