Phottix Extendable Spiral Cable C8, 1 Meter Long, Connects compatible products to: Canon EOS 1D Series, 10D, 20D, 30D, 40D, 50D, 5D Series and 7D Extra cable for C8 for Canon 20D/30D/40D/5D/5DMkII/7D/1D/1DsMkII