Dave Adams wrote: > > I just got a used 300mm F2.8L that I need the instructions > for...particularly what is the thin ring directly behind the > focus ring; how does the the preset focus work; and what is > the little switch with an icon that sorta looks like this: ((o)). >
Dave, The ((0)) switches the focus achieved beeper off/on - bit like the same thing in the camera body. Pre-set focus is set with pulling the switch and to return to that focus setting just touch the thin ring you mentioned. These questions were asked a little while ago here and, if I remember correctly, you can get a manual from Robert Scott @ www.eos-magazine.com Bob Turner Regards, Bob Turner Project Engineer Merpro, Montrose Tel: +44 (0)1674 662221 Fax: +44 (0)1674 662266 * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
