Canon clicker ... well, yeah. But, what does it do? What are the camera features? What happens when you click? With a Nikon, if you are using your finger, you must press and hold the shutter for the entire exposure. If using a remote clicker then you have the 2-click process I described. Of course, you are only doing this for something over 30 seconds because I can set speeds in the camera up to that limit.
I found it hard to believe that Canon didn't have such a feature but Chuck assured me that was the case --- must physically hold the button down the whole time.
Nikon is not as good as I first thought. The camera has a built in limit of 30 minutes for bulb exposures. After the first click to open the shutter, it's going to close in 30 minutes or upon the second click, whichever comes first. (I'm guessing battery life has something to do with this)
I could fool it with the double or triple exposure feature and stack two or three 30-minute exposures onto the same frame. This means I gotta set that alarm clock to run back outside every half hour
'course, I probably also need to pay $79.95 (plus s&h) to buy this http://www.bhphotovideo.com/c/search?Nt ... Search=yes
so I have enough power to handle exposures that long. Hmmmmm - don't think so. Besides, I'm now limited to a shooting spot within extension cord length of a 110v household power supply.
I got it! Better yet! Find a battery power very, very, very low speed lazy susan, put the camera on a table tripod on top of that; now I got star trains in circles whichever part of the sky I point to