photoheliograph
heliograph
telespectrograph
photoheliography
coronograph
photospectroradiometer
spectrohelioscope
spectroheliograph
telephotometer
holocamera
solar telescope
radiograph
phototelescope
cryptoscope
eclipsareon
speculum
spectroheliometer
digital overhead
visual presenter
docucam
photomacroscope
Schmidt telescope
Schmidt camera
polaroid
coude telescope
coude system
radiospectrometer
spectroheliokinematograph
startracker
light dependent resistor
aerometeorograph
aerocamera
telespectroradiometer
tutulemma
Verascope
photolithograph
phototelescopic
reflector
X-ray
spectrophotogoniometer
holoviewer
nephograph
photoelectrograph
astrograph
pyrheliometer
granulation
zonogram
ultrasonoscope
oroheliograph
phototheodolite