top shot of boiling water - how to avoid fogging the lens
Posted 25 September 2014 - 04:07 AM
Posted 25 September 2014 - 09:36 AM
I'd use a small blower or hairdryer ( cold setting ! ) close to and blowing across the front of the lens - like a curtain of air to stop steam getting on the optics.
By having this set up, you shouldn't see the steam being blown out of the way.
Posted 25 September 2014 - 10:11 AM
Blowing compressed air into the water via a tube is a good way to simulate boiling water. That's how it was done in Blade Runner with the boiled eggs in Sebastian's apartment.
Posted 02 October 2014 - 12:28 AM
I had to do something like this once, with some food photography where the camera had to be in place over steaming mashed potatoes for a long time, and a hair dryer is a good tip. Don't forget that steam condenses on relatively cool surfaces. We used a piece of glass held in front of the mattebox, and heated it with a hair dryer between takes. We kept it pretty hot, and consequently, the steam didn't seem to have all that much tendency to condense on it.