I have a sony digital handycam (DCR-TRV245E) and my iMac does not recognise this camera, I can't find any?

drivers for this model, how can I download my videos now?

Your best bet to get help on this is from Apple support. Find the discussion group for the video software you are using and post a question:

http://discussions.apple.com/index.jspa?...

Your best bet to get help on this is from Apple support. Find the discussion group for the video software you are using and post your query.