go through the tender notice , underwater video camera specification full frame mirror less camera, 4k uhd up to 60p and full-hd up to120p. movie recording: maximum 4 968 selectable af point positions / up to 819 af areas the hdr sensitivity iso 100–25 600 at least 20.1 effective pixels full frame sensor low light performance at least from ev – 6.5 + iso 400 require the white balance correction 2 compatible batteries required 2 compatible memory cards required compatible lens specification: minimum filter size 82mm auto focus aperture is f / 2.8 full frame lens format zoom focal length 16-35mm the lens type: wide angle zoom , underwater video camera housing specification compatible mdx port size for above mentioned camera m24 monitor bulkhead option three m16 bulkhead option vacuum system minimum depth range: 100 meters / 330ft single hand locking system double o-ring seal comfortable handles ergonomic button & lever placement housing includes: front cap, replacement o-ring kit, silicone grease, standard handles, all accessories needed to fit the housing with camera need to beincluded.