A waterproof protector system comprises a body protector which stores a camera body, a first port member to be attached to the body protector, and a second port member to be attached to the first port member. The body protector is formed having a first opening portion. The first port member has a second opening portion to be fitted in the first opening portion, a third opening portion larger in diameter than the second opening portion, and a conical barrel portion formed between the second opening portion and the third opening portion. The first port member houses an accessory member, such as a wide-conversion lens. The second port member has a fourth opening portion, fittable in the third opening portion, and a light transmitting portion.