Aaton universal is a lens mount

Lens mount

A lens mount is an interface — mechanical and often also electrical — between a photographic camera body and a lens. It is confined to cameras where the body allows interchangeable lenses, most usually the single lens reflex type or any movie camera of 16 mm or higher gauge...

 developed by the Aaton

Aaton

Aaton is a motion picture equipment manufacturer, based in Grenoble, France. Aaton was founded by Eclair engineer Jean-Pierre Beauviala, whose efforts have been primarily focused on making quiet, portable motion picture hardware suitable for impromptu field use, as for documentaries...

 camera company for use with their 16 mm movie camera

Movie camera

The movie camera is a type of photographic camera which takes a rapid sequence of photographs on strips of film which was very popular for private use in the last century until its successor, the video camera, replaced it...

s. It is distinguished by its three-pronged flange, which can be oriented in any of three positions and is held in place with a friction locking ring. It is generally considered a minority-usage mount by virtue of the facts that not only it is solely used with Aaton cameras, but that Aaton has sold many more of its own cameras with an Arri PL

Arri PL

Arri PL is a lens mount developed by Arri for use with both 16 mm and 35 mm movie cameras. The PL stands for "positive lock". It is the successor mount to the Arri bayonet; however, unlike the bayonet mount, it is incompatible with older Arri-mount lenses, due to the larger diameter...

mount than an Aaton universal mount, due to popular demand.

Technical specifications

• Flange focal distance: 40.00 mm
• Diameter: 50.00 mm
• Cameras: (all Aaton models)
  • 16 mm LTR-7, LTR-54, XTR, XTRplus (optional), XTRprod (optional)