photometry
luminous intensity unit
candlepower unit
violle
photometer
actinometry
sunphotometry
nanocandela
spectrophotometer
light intensity
color
candlepower
carcel
spectroradiometry
microcandela
light
brightness
luminosity
actinometer
brightness level
luminance
luminousness
illumination unit
ardency
candle
candela
densitometry
standard candle
cd
luminous energy
electrochemiluminometric
emissivity
opacity
optical bench
light-scattering photometry
chromaticity
optical spectrum
foot candle
airiness
photointensity
hue
optogalvanic
luminous flux
radiance
radiancy
shine
refulgence
refulgency
shiningness
angstrom star
effulgence
diopter
dioptre
shininess
Lambert's cosine law
reflection factor
reflectivity
coefficient of reflection
photoabsorbance
reflectance
nitency
photodensitometry
scintillation
spectropolarimetry
glitter
spectrometry
sparkle
sunphotometer
glisten
glister
luminescent
absorption factor
coherent light
phototuning
thermophotometry
astrophotometer
femtocandela
thermoptometry
electromagnetometry
radiometry
chromatometry
spectroreflectometer
monochromatic
photics
self-luminous
nephelometry
decimetric
homochromatic