13617.3 More Details: Contax 645Exposure ModesThe Contax 645 manual (M) and semi-auto exposure modes (Av, Tv)are fully supported by the Leaf Credo back. Please note that Bulb isonly supported on Contax/Leaf Credo back when used in conjunctionwith the Live View function. Go to Chapter 19 (from page 142) for moreinformation about Live View.Check the relevant Contax 645 manual for more information on exposuremodes.Ensure that exposure times are limited between 1/4000 second andapproximately one second to obtain the highest possible quality with aLeaf Credo back and Contax 645. Please note that it is not possible toexpose images longer than two minutes with a Leaf Credo 80 and 60seconds with a Leaf Credo 60 or 40.ISO SettingsThe Contax 645 exposure modes use the ISO value set in the LeafCredo back. The ISO setting can be adjusted from the camera back or inCapture One software when shooting tethered.Consult page 24 of this manual for details on setting the ISO. Go to page49 for more information about tethered shooting.Double Exposure ProtectionIt is not possible to accidently double expose an image by capturing oneimage quickly after another when a Leaf Credo back is used on a Contax645 e.g. when using the continuous drive mode.
