spectrophone
phototelescopic
spectrophotography
photomicroscope
spectrograph
focimeter
spectrohelioscope
radiotelemeter
spectrogram
spectacle
radiograph
glass
phototachymetric
metrochrome
wavemeter
spectrophotopolarimeter
stereophotomicroscope
sunphotometer
stereoscope
spectroscope
graphophone
photoradiography
spectroheliograph
radiophotography
photoheliometer
photoscopic
theodolite
station staff
photoelectroglottographic
spectrophotogoniometer
photophore
luminometer
telespectroradiometer
photoplethysmography
startracker
altigraph
spectroscopic analysis
stereoradiograph
gamma camera
photomacroscopy
sensitometer
spectrographic analysis
phototelegraph
chromascope
spectrum analysis
spectroscopy
spectrometry
biophotometer
photomacroscopic
spectroheliometer
photomicrographically
coelostat
spectroheliokinematograph
photometer
telephotometer
photometrically
photoamplifier
ondoscope
radiochromatogram
photomicroscopy
phototelegraphic
focuser
transilluminator
stroboscopically
nightscope
radiospectrometer
stereoscopic
camera clara
stereofluorescent
videostroboscopic
spectroscopically
electrograph
light dependent resistor
exposure meter
light meter
stereocomparator
chromameter
telescope
bichromatic
stereoscopically
apertometer
photolith
glasses
photospectroradiometer
eyeglasses
lithophotography
spectacles
specs
brontograph
optic
radiostereometric
photoplethysmogram
photochronographic
coude telescope
optical instrument
coude system
phototypographically