Q1: Do you provide samples? Is it free or charged?
A: We'd like to supply samples for free if we have it in stock, but we don't pay freight.
Q2: How long is your delivery time?
A: Regarding inventory, it is in 5 working days; For customized one, it's about 20-35 working days, depended on exact quantity and order date.
Q3: Is it possible to customize special lens?
A: Yes, to customize special optical element and coating are available here.
Q4: How to pay?
A: T/T, Paypal and so on.
Q5: How to ensure the safety of payment?
A: Srate is a reliable supplier, reputation and quality is life of our company