In reply to SeanB: i think the 50 is a much underused lens , super sharp and fast though i've never used it as my sole lens on a long climb.
my little 50 macro is becoming a favourite for those small details like eyelashes , or reflections on pupils as well as ice and flowers etc .
i'm a newbie to multi OCF but went on a Brett harkness course (the guy is awesome)and have started using it more but nowhere like as well as you use it .
Thanks for the comments on the gallery, and really like the shots you do with the multi OCF.