Originally posted by Vendee On the first shot, the shutter is very slow... about 1/2 second. The next shot seems a bit faster and subsequent shots seem to be just right. If I wait about 15 minutes and start shooting again, the cycle starts again.
Is shutter slow or is it the mirror? The shutter won't open until the mirror is up. You should be able to watch both with the back open and no lens mounted. I suggest using 1/15s or slower so that you can easily see the movements of both curtains. If your shutter is "lazy" (one or both curtains running slow...>1/100s top-to-bottom) or jams, the usual suspects would be physical damage to the blades and/or an attempt to lubricate the track/blades. The shutter timing is electronic (quartz) and when it fails, shutter simply dies and will not fire at all.
Steve