Inverted telphoto lens
倒远距照相镜

• cesium lamp
• cesium quenched copper laser
• CF color filter
• CGS Continuous Grain Silicon
• chaff
• chain
• chain angle
• chain axis
• chain axle
• chain-branching
• chain dotted line
• chain filter
• chain pulley
• chalcogen
• chalcogenide
• chalnicon
• chamber
• chambered vial
• chamfer 1
• chamfer angle
• chamfering
• chamfering of corner
• chamfering of edge
• chamois
• chamois leather