Definition of neutral density filter in English:
A photographic or optical filter that absorbs light of all wavelengths to the same extent, causing overall dimming but no change in colour.
- An action spectrum for light-induced death was carried out using excitation filters and neutral density filters to vary the excitation wavelength and keep peak illumination intensity constant.
- Another use for this filter on sunny days is that it can be used as a neutral density filter in order to give you longer shutter speed times.
- Simulations of senile miosis using a pupil-constricting drug and the age-related increase in lenticular light absorption using a neutral density filter in young observers could not account for the results.
Definition of neutral density filter in:
- US English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia