英文關鍵字
adjust
adjusting
aperture
background
black
blade
camera
circle
close
closeup
dark
depth
diaphragm
digital
dslr
equipment
exposure
film
focal
focus
front
glass
hole
instrument
iris
lens
lense
light
macro
mechanism
metal
movie
optic
optical
optics
part
photo
photograph
photographer
photographic
photography
professional
reflection
repair
shot
shutter
stop
studio
technical
technology
telephoto
video
vintage
wide
zoom