The D70s offers in conjunction with the IR remote control in two different modes. Firstly, the self-timer + release via the IR remote control or "immediate release" on the IR remote control. The activation of this is very simple, press Burst button and select the desired option with the rear dial.
The BULB function can also be realized with this IR remote control. Press once briefly for exposure start, press again briefly for exposure finish.
The only drawback: The IR Remote Control is designed to power on a button cell dependent (CR2025). If that is empty you have to install a new just now. But I have so far managed to none of these remotes, leerzuknipsen this. In addition, a reserve button cell is not yet priced in weight a load ...
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Update 24/02/2010: In the meantime, my IR trigger has proven itself on my D80, which I then "exchanged" against a D300. How much you missed this little helper you realize until you can no longer use it, because the D300 is inherently not so compatible. Since there'd ne deluxe solution for a deluxe price. Meanwhile, I have a D5000, which is working again with the ML-L3. Get out of the closet and work. And after more than four years, she still rides on the first (!) Knopzelle.