Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to buy a waterproof digital camera [title] Establish the purpose of the camera before you start shopping for a non-disposable camera. [step] Waterproof cameras differ greatly in use and price. Common uses include photographs of hiking, boating, swimming, snorkeling and scuba-diving.

Ending1: If you plan to carry your camera and other camera gear during your trip, you may want to avoid this issue. However, if you are headed out to a party or other event, you may want to keep the camera in a waterproof case. Ending2: [title] Before you begin shopping, decide how much material you are willing to spend on a waterproof camera. [step] Durable digital cameras require to be waterproof, so prices are not usually a factor. Ending3: You'll need to assess the color, lightness, stability and contrast of the camera before selecting a waterproof camera. [substeps] To assess the camera model, refer to the instructions for the model and online camera association website. Ending4: [substeps] For example, you should know to what depth you need to be able to use it. If you only need it for the pool and outdoor sports, a depth of 10 feet (3.0 m) should be adequate, but if you need it for scuba diving, its depth should be substantially more.

Answer format: ending1/ending2/ending3/ending4