increased transmission lens
objective lens of the transmission electron microscope
transmission factor of lens
corneal lens（lenses） lens
object lens objective lens
objective lens object lens
plane-concave lens (=plano-concave lens)
plane-convex lens (=plano lens)
short focal length lens (=short-focus lens)
variable focus lens vari-focus lens
vari-focus lens variable focus lens
AC transmission line parallelly erected with DC transmission lines
35mm Multi Focal Points Lens Shutter Cameras
35mm Single Focal Point Lens Shutter Cameras
a pillar lens with a hole