Quantum is now taking orders for QTTL adapter D23wR. This adapter is compatible with Canon EOS 1D Mark III and 40D (as well as all Canon models 10D, 5D, D30, D60, 20D, 30D, EOS 1D/1Ds, EOS 1D/1Ds M II, Rebel 300D). Please see your photo dealer for ordering. Note that the previous QTTL adapter D13wR is compatible with all Canon models above, except EOS 1D Mark III and 40D. For those photographers that own a D13n, D13w or D13wR QTTL adapter and have purchased a Canon EOS 1D Mark III, an upgrade is now available for your QTTL adapter (Upgrade cost $39). Send the QTTL adapters in question carefully packaged and insured to : Service/ Upgrade Department Quantum Instruments 10 Commerce Drive Hauppauge NY 11788-3968 USA