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^^ I would love to know as well. I shoot tripod based a lot, and those intervalometer/shutter remote is invaluable. That's one of the reasons why I have not bought the A7R yet. I have one for my A99 similar to the Phottix above.
Samuli: for now I think you might have to stick with an IR remote such as this one: http://tempus.bymac.org/
or you can wait for the Time-Lapse app for the A7/R
I think I skip IR-remote since I mostly need wired remote for
- shooting HDR images (A7 won't be able to use 2s timer to bracketing)
- bulb exposures 30s-20min
- keeping shutter down 0.5-2 hours for star trails (for shooting in continuous mode 30s exposures)
Only 1 would be suitable for IR-remote. 1&2 should not need wired remote if people designing camera firmware would have brains and some sort of understanding of usability. 3 could be handled with time lapse app, if delay can be set to zero.
For apps I would wish:
- HDR shooting app (3,5 or 7 images with 0.33EV, 0.66EV, 1.0EV, 1.33EV, 1.66EV or 2.0EV bracket steps automatically with no delay/2s delay/10s delay)
- bulb app (able to set how many seconds bulb exposure, ability to stop bulb before time reached, shows time remaining, possibility to use 2s delay before exposure start)