| Parameter |
Specification |
| 1/1.8; |
1/1.8' |
| Beam Divergence Angle |
≤ 0.01° |
| Collimation Accuracy |
±2 arcsec |
| Wavelength Range |
400-700nm (customizable) |
| Material |
High-strength aluminum alloy/stainless steel |
>> Company Introduction


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FAQ
Q:
Do you provide samples? Is it free or charged?
· We'd like to supply samples for free if we have it in stock, but we don't pay freight.
Q:
How long is your delivery time?
· Regarding inventory, it is 3 working days;
· For customized ones, it's about 15-25 working days, depending on the exact quantity and order date.
Q:
Is it possible to customize a special lens?
· Yes, special optical elements and coating are available here.
Q:
How to pay?
· T/T, Ali online assurance payment, MoneyGram, West Union, Paypal,,l and so on.
Q:
How to ensure the safety of payment?
· VY Optics is a reliable supplier not only audited on Ali, but also on Made-in-China, reputation and quality are life of our company, and we support Ali Trade Assurance.
Q:
How do you ship goods?
· Low-value sample: EUB, E Express of China Post, which is cheap;
· Lightweight parcel: DHL, FedEx, TNT, UPS, EMS, SF Express, China Post;
· Heavy cargo: by air or by sea, ship on pallet.
Our company enjoy a considerable discount owing to long-term cooperation with courier company.
