Casio Japan have announced the Casio EWC-40, an underwater housing for the EX-Z40/30 digital cameras. The EWC-40 can be used down to a depth of 40 metres and will cost around $190 when it’s released in July. Availability outside Japan is unknown at this point.

Website: Casio Japan - EWC-40 Underwater Housing

Website: DPReview - Casio EWC-40 underwater housing for EX-Z40/30