On 2005-09-14 13:54, Frits Wüthrich wrote: > A friend of my in the UK asked me this question: > > "Was wondering if you could help me. I've recently bought a Pentax Optio WP. > Great little camera, even more intuitive than my old Casio and excellent > being able to use the camera canoeing, swimming etc. (Not actually taken pics > from underwater yet.) > > One issue though. Once it has been in the water, or if it is raining, the > droplets on the lens spoil a lot of the pics. Do you know of anything which > would coat the lens, which would repel the water, or break the surface > tension without distorting the pics?"
One idea could be some kind of anti lense fog chemical, used e.g. for glasses. There must be certain lense coating - see e.g. http://www.heliopan.de/startver.html (SH-PMC lense coating on heliopan filters; German text) - Martin