telephoto camera lens
远摄照相机透镜

• quartz
• quartz clock
• quartz crucible
• quartz crystal
• quartz-crystal clock
• quartz-crystal oscillator
• quartz fibre
• quartz flash tube
• quartz glass
• quartz-halogen-tungsten lamp
• quartz-iodine lamp
• quartz lens
• quartz oscillator
• quartz-polaroid monchromator
• quartz prism
• quartz-rod illumination system
• quartz sand
• quartz spectrograph
• quartz spring
• quartz transducer
• quartz ultraviolet laser
• quartz wedge
• quartz Wollaston prism
• quasicircular particle
• quasicompensation