Link:http://www.dansarosa.com/40m-waterproof-case-dslr-underwater-housing-for-conon-600d-00394.html
This underwater housing for Canon 600D is formed of clear polycarbonate , to prevent condensation on the Eos camera, the water-tight case has been fitted with double anti-condensation glass. The camera produces an excessive amount of heat to be able to forestall condensation fully. however you 'll be able to fix this by putting a bag of colloid within the case. this can absorb wetness and prevent all types of issues.