Arri PL mount Tair-33 300mm f/4.5 medium format lens Arri Aaton Red Blackmagic
Angle of view - 15°, exact focal length - 302.6 mm. Aperture limits: 4.5 - 22, focus limits: from 3m to infinity, weight - 1.7 kg. Resolution (center / edge, lines / mm) - not less than 25/18. The thread for the filter is M88x0.75.