Neutral Density Filters

Neutral density filters reduce light intensity while preserving the overall spectral balance of the beam. They are used for camera exposure control, laser attenuation, detector protection, and optical measurement systems.

Custom ND filters by OD value, wavelength range, size, and mounting format.

Explore

By Filter Type

Absorptive Type ND Filter

Reduce light intensity with absorptive glass.

Browse UV Filters

Reflective Type ND Filter

Attenuate light using a reflective coating.

Browse VIS Filters

Explore by Common

OD (Transmission)

OD0.1 (50%) OD0.2 (63%) OD0.3 (50%) OD0.5 (32%)

OD0.6 (25%) OD1 (10%) OD1.3 (5%)

OD2 (1%) OD3 (0.1%) OD4 (0.01%)

OD5 (0.001%) OD6.0 (0.0001%)

Need help selecting an ND filter?

Share your target OD or transmission, wavelength range, beam size, and mounting needs. SyronOptics can help you choose between absorptive, reflective, or filter-set options.