Calibration Ring, 30mm Lens and Dial Indicator, ICBC, IMAX


Display Status:

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.

Collection Item Summary:

NASA had this lens calibration ring available during ground preparations of the IMAX camera used in the payload bay of the space shuttle. As the lens was controlled remotely during flight, it underwent rigorous testing to ensure it was ready for flight. This piece of ground support equipment was used to test the 30mm camera lenses.

Gift of the IMAX Corporation in 2011.

Collection Item Long Description:

Data Source

National Air and Space Museum

Restrictions & Rights

Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum


Credit Line

Gift of the IMAX Corporation


  • Anodized Aluminum
  • Steel
  • Plastic
  • Coating
  • Synthetic
  • Aluminum


3-D: 14.6 × 13.3 × 10.8cm (5 3/4 × 5 1/4 × 4 1/4 in.)

Country of Origin




Inventory Number