D28 lens laser welding head focusing/collimating lens suitable for handheld welding machine cutting machine

D28 lens laser welding head focusing/collimating lens suitable for handheld welding machine cutting machine

Specifications: D28-100, D28-120, D28-150
Suitable for Raytools BM109/old model 240/210
Material: 7980-0F quartz
Handheld welding machine lens
Features: light transmittance as high as 99.5%, complete specifications and diversification

Lens cleaning steps
1. Wash your hands and blow dry or wait for them to dry;
2. Put on finger cots;
3. Gently take out the lens for inspection;
4. First use a balloon or balloon to blow off the dirt on the surface of the lens;
5. Dip a cotton ball into lens fluid
6. Dilute the lens cleaning solution with lens tissue and wipe gently. Remember to wipe in a rotating motion; 7.
Replace the lens wiper and repeat the steps. Do not reuse the same lens wipe. 8
.Blow the mirror surface clean with a balloon.

Lens care taboos
1. Do not touch the mirror surface with your hands;
2. Do not blow air onto the lens or use air from an air generator;
3. Do not let the lens directly contact the fixed surface;
4. Do not use non-lens wiping paper (stick) to wipe or wipe the lens with force;
5. Do not wipe hard when sensing the lens.

Lens Precautions
1. Please be sure to wear finger cots or rubber gloves when handling lenses to avoid damage and oil stains on your hands.
May stain lenses and cause performance degradation;
2. Do not use any tools to pick up the lenses, such as clips;
3. Please do not place the lens on lens paper and damage is strictly prohibited;
4. Do not place the lens on a rough or solid surface, otherwise the infrared lens will be easily scratched;
5. Please do not clean or touch the surface of pure gold or pure copper.