Description

• M9 Optical Focusing Lens Holder Copper Shell Laser Collimator Lens Laser Module Head Accessories For 6mm aspherical glass lens Color: brown Lens Material: glass Lens Size: 6mm aspherical glass lens Thread type： nice thread Metal Frame: M9*6mm Notice: 1 Do not contact the outside of the lens immediately together with your hands, don't let the lens floor in direct touch with a hard object, so as not to scratch the surface, using a task usually used plastic forceps 2 carrying on some laser DIY activities, please read about the technical information first and protect your eyes earlier than laser ray

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