Spacers for T-threads, total thickness max 3.5mm

Three rings with 2mm, 1mm and 0.5mm thickness

Most Field-Flatner, Reducers or Coma-Correctors require an exact spacing between the lenses and the sensor to get maximum image quality. This set of spacers will be a great help when adjusting this! Three rings with a thickness of 2mm, 1mm and 0.5mm can be used on a normal T-thread to increase the optical length in 0.5mm steps up to 3.5mm total additional length.

The spacers are also available for M68 and M48 threads.