Your phone has an infrared emitter? you have a camera that supports infrared? Well, I have good news for you, you no longer need to lug around a ir remote control to shoot in the wild, just your smartphone, and with a click you already have your photo! you have different camera bodies? perhaps from different manufacturers? why risk making the wrong remote control, find waste or leave it at home, if only for emergencies, your smartphone is here to make your life easier, thanks to applications like "Remote Control SLR ir" (irDSLRCommander) the remote control in a 'unique app supports Nikon cameras, Canon, D Canon, Fuji, Minolta, Olympus, Pentax and Sony!