Main Features: Solid surface coating, easy to fall off, resistant to wipe The accuracy of focal length, film resistance to rubbing, high luminous flux and many other advantages, greatly improving work efficiency Concentrated light spot, cutting, engraving effect, can withstand high power density High quality ZnSe crystal, excellent optical properties
Cleaning method: - For loose lint or dust: use an air bulb to blow off any loose particles. - For smudges or fingerprints: squeeze a few drops of acetone onto the lens tissue, wetting the diameter of the optic. - For droplets or oils: use a cotton swab and distilled vinegar to wipe the lens, then use a wet cotton swab to remove any acetic acid. Clean with a dry cotton swab.
Package weight: 0.046 kg Package Size(L x W x H): 6.80 x 7.30 x 1.90 cm / 2.68 x 2.87 x 0.75 inches