Nikon D5100 with 18-55mm f3.5-5.6G VR Nikkor lens mount_Canon EF with good focusing and diaphragm

with good focusing and diaphragm action

The Calypso is an underwater camera originally designed for Jacques Cousteau and his expeditions

It's designed to hold a 4x5 camera

The included Mamiya-Sekor 90mm f3

there is some light smudging on the top of the focusing screen

Nikon D5100 with 18-55mm f3.5-5.6G VR Nikkor lens mount_Canon EF with good focusing and diaphragmThe Nikon D5100 is a compact DX format DSLR camera that shoots 16mp stills or 1080p video at up to 24fps. It's fully compatible with modern AF S lenses, and can be used with most F mount lenses from the earliest pre AI to newer AF D with varying levels of metering and focusing function. The camera body is in excellent condition, with under 1000 actuations. The included standard lens is a Nikon 18 55mm f3. 5 5. 6G DX VR AF S Nikkor, also in nice shape.