Optical Filters

Used to flatten spectral response for improved measurement precision and to remove short-wavelength light that may damage light-sensitive films.

For more information on Filmetrics accessories, please contact our U.S. offices by calling +1 858-573-9300 (24 Hr, M-F) or contact us by e-mail.

• 
  

  FILTER-FLAT+ND0.5

  Single flattening filter for improved VIS spectral uniformity plus an ND 0.5 filter for a further 30% transmittance reduction.

• 
  

  FILTER-FLAT+ND1

  Single flattening filter for improved VIS spectral uniformity plus an ND 1 filter for a further 90% transmittance reduction.

• 
  

  FILTER-FLAT+ND2

  Single flattening filter for improved VIS spectral uniformity plus an ND 2 filter for a further 99% transmittance reduction.

• 
  

  FILTER-HighPass420

  420nm high-pass filter in holder.

• 
  

  FILTER-HighPass515

  515nm high-pass filter in holder.

• 
  

  FILTER-HighPass520+ND1

  520nm high-pass filter plus an ND 1 filter for a further 90% transmittance reduction.

• 
  

  FILTER-HighPass520+ND2

  520nm high-pass filter plus an ND 2 filter for a further 99% transmittance reduction.

• 
  

  FILTER-HighPass550

  550nm high-pass filter in holder.