Consultant Environmental Health Officer (and trainer) Husband and bag carrier for a very keen bird, insect and plant photographer.
10 How important is ISO speed? Oct 25 '10
2 Is the IS of the Canon EF 100-400 4.5-5.6 L IS USM Telephoto Zoom worth the extra £200 over the Canon EF 400 f/5.6 L USM Lens? [duplicate] Jun 14 '11