Canon WP-DC200s Digital Camera Waterproof Case for PowerShot A10 A20 Snow Surf Beach A waterproof case for the PowerShot A10 and PowerShot A20. You can use this case to take underwater shots at depths of up to 100 feet (30 meters), and of course it's ideal for taking worry-free pictures in the rain, at the beach, or on the ski slopes. An integrated flash diffuser panel lets you utilize your camera's internal flash for lighting purposes. Or, use the internal flash to trigger a slaved external strobe like those made by Sea & Sea or Ikelite. Clear Polycarbonate Construction Durable and resistant to corrosion. Clear view of the camera information and control functions. A10 Powershot Canon camera specs that works in the case: Image Capture Device Type 1/2.7 in. charge-coupled device (CCD) Total Pixels Approx. 1.32 million-pixel Effective Pixels Approx. 1.25 million Lens Focal Length f/2.8 Digital Zoom Maximum 2.0x (Maximum 6x with optical zoom) Focusing Range Normal: 76cm (2.5 ft.) - infinityMacro: 16 - 76cm (6.3 in. - 2.5 ft.)(Wide angle); 26 - 76cm (10.2 in. - 2.5 ft.)(Telephoto) Autofocus System TTL 3 point AiAF Viewfinders Optical Viewfinder Real-image optical zoom viewfinder LCD Monitor 1.5-inch low-temperature polycrystalline silicon TFT color LCD LCD Pixels 117,600 effective pixels LCD Coverage Approx. 80% Aperture and Shutter Maximum Aperture f/2.8 - 4.8; 5.4mm (Wide angle) - 16.2mm (Telephoto) (35 mm film equivalent: 35 - 105mm) Shutter Speed 1 - 1/1500 sec.* 1 sec. in manual mode with the flash off or in slow synchro mode.* Noise reduction processing on speeds slower than 1/6 sec. Exposure Control Sensitivity ISO 100 equivalent (automatically raised to ISO 150 in low light) Light Metering Method Evaluative metering (linked to focusing point) Exposure Control Method Program AE; Exposure is locked once focusing is complete. Exposure Compensation +/-2 stops