Originally posted by JimJohnson If the wind is strong enough to shake the short release enough to disturb the exposure, it is also strong enough to vibrate your tripod. And a long release has more surface area for the wind to grab.
I sure agree with this.
I have only once owned a long cable (probably about a meter), and it was not that great. It is, in fact, the only mechanical shtter release cable I've ever had that broke.
I've never had a problem with shorter cables (~ 20cm), and my wife and I have used several of those when shooting star trails out in the Flint Hills of Kansas (i.e., where it can get kind of breezy.