光

photosensitive emulsion

emission of light

adaptive optics (esp. in a telescope)

to pierce someone with one's gaze

luminescent bacteria

the buddha of infinite light (Amithaba)

noctilucent clouds

making a prefecture a travel destination; tourism-promoting prefecture

Organization name

Taiwan Visitors Association; TVA

negative heliotropism

Proverb

there isn't a moment to be wasted; every moment is precious; make hay while the sun shines

geometrical optics

blackout curtain; light-blocking curtain; lampshade; shade

Proverb

cream rises to the top; great talent will stand out anywhere; lapis lazuli and crystals shine when lit up

pleinairism; pleinairisme; cult of the open air

painter of pleinairisme; pleinairist

fluorescent dye; fluorescent pigment; fluorochrome

condenser lens; condenser

Physics

nonlinear optics

stray light

phototropism

luminous animal

green flash (optical phenomenon occurring shortly after sunset or before sunrise)

spectrometry; spectroscopy

photometer