| Main Specs of Long-pass Filter | |
| Product Name | Long-pass Filter |
| UV Bandwidth | 100nm to 300nm |
| UIS Bandwidth | 400nm to 700nm |
| NIR/Far IR Bandwidth | 800nm to 14μm |
| CWL Tolerance | 1/10 Lambda |
| Surface Quality | ±5nm |
| Blocking Band | T<0.001%—0.1% |
| Peak Trans | >80%—90% |
| Bandwidth |
10nm-150nm |
| Incidence Angle |
0°— 45° |
| Size | 5mm to 100mm |
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TEL/Whatsapp: +86-15702486562
Q1. Are you a factory?
A1. Yes, we are a professional optical lens manufactruer in China, and have a factory in Changchun city, Jilin province.
Q2. What is the MOQ of optical lens?
A2. No MOQ for customer if optical lens is in stock.
Q3: Can I customize the products based on my need?
A3.Yes, we can customize the material, specifications and optical coating for your optical components based on your needs.
Q4. How can I get sample from you?
A4. Just send us your requirements, then we will send samples accordingly.
Q5. How many days will samples be finished? How about mass products?
A5. Generally, we need 1~2 days to finish the sample production. As for the mass products, it depends on your order quantity.
Q6. What's the deliver time?
A6. (1) For inventory: the delivery time is 5 workdays.
(2) For customized products: the delivery time is 7 to 25 workdays. According to the quantity.
Q7. How do you control lens quality?
A7. Producing process is in vacuum dust-free shop, like prepare material, mixed material and take out . Four times quality checking during production process.
Q8. How about your optical lens production ability per day?
A8. About 20000 pairs/day.
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