Used includes Ikelite Universal Zoom Gear 5509.28 for Lenses up to 3.0-inch Diameter includes ikelite single TTL substrobe cord.

This Ikelite underwater housing, model 6871.07, is the perfect fit for your Canon EOS 7D camera. The durable and waterproof case allows you to capture stunning photos and videos while diving or snorkeling. It has a negative buoyancy feature, which is ideal for underwater photography, and is compatible with Canon EOS 7D cameras.

The Ikelite housing is specifically designed for DSLR/SLR/TLR cameras and is made of high-quality materials to ensure durability and longevity. It is compatible with a range of Canon EOS cameras and is ideal for capturing beautiful images and videos in any underwater setting.

https://www.ikelite.com/products/200fl-underwater-ttl-housing-for-canon-eos-7d-dslr-camera