I have the Nikon cable release and used it on my 990,, will give it an 8 out of 10 for over-all performance,,
is certainly not the quickest item on the street,, has a few good features but I seldom used all of them not really needed,,
if you could find a used one for a low price I would try it,, my main reason for purchase was for doing astronomy photos which it did fine for me, but when it came to the birding ya have to take a lot of photos as you will miss many using this release,,