5pcs 28mm Optical Glass Plano-Convex LED Lens DIY Solar Condenser Lens

Description

5PCS Optical Glass Optional LED Plano-convex Lens DIY Focusing Condenser Lens 28-40mm
Specification
Lens size （
optional
） ：
Diameter:         28mm  / 28mm  / 28mm
/
28
mm
Height:            7.5mm  / 9.7mm / 10.2mm /  17mm
Folcal Length:
30
mm  / 21
mm
/  20
mm   /  9
m
m
Inner Diameter: 26mm /26mm   /26mm     /26mm
Stage Thicks:    2.5mm/2mm     /2.5mm    /2.7mm
Lens size error ±0.3-0.5mm,
Light transmittance: ≥95%
Refractive index: 1.474
Temperature resistance: -50 to 300 degrees
Material: borosilicate glass
Package List: 5pcs x
lens
Light angle: adjustable angle
(the actual light collecting angle can be obtained by adjusting the distance between the lens and the LED)
Optical glass convex lens is suitable for LED spotlights, car lights, focusing flashlights, floodlights,
explosion-proof lamps, downlights, laser concentrating, sensors, optical instruments, floodlights, etc.
It has high temperature resistance, explosion-proof, no Aging, high strength, high light transmittance.
Uniform spot, no black holes, shadows, dark areas.
Can be used with a variety of high-power LED1W, 3W, 5W, 8W, 10W 15W 20W, 50W and other ultra-high power LED products.
Return or Exchange
If you are not satisfied when you receive your item, please return it within 14 days for a replacement or money back.
Please contact me before you return it.
If item is defective in 3 months, We will send you a replacement without extra charger, or offer refund after we receive the defective item.
If item is defective after 3 months, you can still send it back to us.
We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee.
Policies
We are not responsible for any custom duty or import tax.
We will leave POSITIVE FEEDBACK after receiving the payment.Please contact us if you are not satisfied with the item after receive it.
All messages will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your message and we will reply to you as soon as possible.
Serious Buyer Only! Please place bid only if you agree with all the terms.
If you have any problems or concerns whatever with your order or products,please message us and give us a chance to assist you before you leave any feedback.
We believe we can produce a positive outcome to any situation and will work hard to earn your praise.
Shipping
We Ship to Worldwide. Please contact with us if didn't find your country.
Items will be shipped within 1-10 business days on payment received.
Delivery time depends on destination and other factors, it may takes up to 20 business days.