The Phottix TR-90 Multi-Function remote provides a simple trigger function and can activate the bulb function on Sony SLR cameras. It provides such functions as a self-timer, interval timer, long-exposure timer, exposure count setting feature.
Which PHOTTIX device will work with my NIKON D-40?
Unfortunately Phottix does not list the Nikon D40 as compatible with any of their TR-90 remotes.
this is compatible with Sony A58?
Unfortunately no, I don't believe so. Phottix indicates compatibility with the following Sony/Minolta cameras:
• Sony A100
• Sony A200
• Sony A300
• Sony A350
• Sony 700
• Minolta 5D
• Minolta 7D