5mm/8mm Glass Lense f 532nm Green Diode Laser Beam Expander Double Concave

Description

5mm/8mm Glass Lense f 532nm Green Diode Laser Beam Expander Double Concave
Parameters
Output Power: None
Wavelength: for 532nm
Dimensions diameter: 5mm/8mm(optional)
Lens Material: Glass
Application
They are double concave glass lenses for 532nm green laser Beam Expander!
This laser lens is a high permeability optical component used for as Industrial testament, Lab, DIY. Especially for the green laser pointer, laser flashlight and low-power green laser module.
Get a clearer laser effect than plastic lens.
Care Instruction
Please keep the lens clean to make the laser beam clear and bright.
Before carrying on some laser DIY activities, please read about the technical information first and protect your eyes before laser ray.
Be sure the operator has experience in optics DIY or testing.
Package
5mm/8mm Glass Lens
Payment Details
We only accept Paypal Payment.
We will send the item to you as soon as you won and paid.
Delivery Details
We provide standard shipping to international via China Post airmail or Hongkong Post airmail with tracking number.Contact us if not receive items.
We only ship to the approved address given in Paypal Payment.Please make sure payment address in Paypal is correct.Any non-received items caused by invalid address registered on Paypal are not in our full refund or replacement policy.
Returns and Replacements
We accept returns and replacements within 30 days from the day the cutomer receive the products.Please make first contact within 30 days from receiving the order.Products should be returned in original condition.
About Feedback
We will try our best to solve any dispute and satisfy our customers.
Please contact us firstly if you have any problems.As you know,a negative feedback can deal nothing and the positive feedback is very important for us.So we hope to your understanding.And we will appreciate if  you would like to contact us for solving your problems.Thanks!