Aquatica Underwater Housing for Sony Alpha a7R IV Camera

Use your Sony Alpha a7R IV mirrorless digital camera to capture brilliant photos and video of the undersea world with the Aquatica A7rIV Underwater Housing . It features a depth rating of 300', which can be upgraded to 450' with Aquatica's optional spring kit, and is equipped with a Surveyor Vacuum System, with a vacuum pump, sensor, and alarm so you can check the integrity of your seal before you dive. Dual fiber-optic connectors enable the attachment of optional external strobes via fiber-optic cables....