Giới thiệu PTPTRATE ★405nm Violet/Blue Laser Diode 3 Layers Collimating Coated Glass Focusing Lens

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Specification:
Brand new
Color: black
Lens Material: glass
Lens Size: approx. 0.7cm
Thread type: full thread
Focus length: approx. 9.8mm
Metal Frame: Screw Size M9 P0.5
This is triple glazing focus lens, for all kinds of blue-violet / blue laser products
Attention:
Do not touch the surface of the lens directly with your hands, do not let the lens surface in direct contact with a hard object, so as not to scratch the surface, using a process typically used plastic forceps.
Before carrying on some laser DIY activities, please read about the technical information first and protect your eyes before laser ray.
Package included:
1 x coated glass lens
Note:
Please allow 1-2mm errors due to manual measurement
Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same