Extended range fires shutter up to a 100m away infrared strobe-type wireless control system offering compatibility with the new remote control socket. Suitable for use with the EOS 1D, EOS 1D Mark II, EOS 1D Mark II N, EOS 1D Mark III, EOS 1D Mark IV, EOS 1Ds, EOS 1Ds Mark II, EOS 1Ds Mark III, EOS 5D, EOS 5D Mark II, EOS 10D, EOS 20D, EOS 30D, EOS 40D, EOS 50D, EOS D30, and EOS D60.

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