290mm Dia Big Optical PMMA Plastic Solar Fresnel Lens Focal Length 315mm Large Magnifier Concentrator DIY Projector | Инструменты

290mm Dia Big Optical PMMA Plastic Solar Fresnel Lens Focal Length 315mm Large Magnifier Concentrator DIY Projector | Инструменты

290mm Dia Big Optical PMMA Plastic Solar Fresnel Lens Focal Length 315mm Large Magnifier,Solar Concentrator Lens DIY Projector

Specification

 290mm Big Optical PMMA Plastic Fresnel Lens

Diameter: 290mm

Focal Length: 315mm

Thickness: 2mm

Material: Optical PMMA

Transmittance: 92%

Magnification: 3x

Thread Distance： 0.5mm
  

The temprature of the focus at sunny noon can be up to 240 Degree.

This Fresnel Lens can be used on Plane Magnifier,Solar energy concentrator,flashlight lamp, Stage Lamp and DIY Projector and making fire oudoor. 
  
Products Display

Payment

 We accept Alipay here and all major credit cards accepted by Alipay.

Payment is required to be made within 6 days from the closing date of your purchased.

If you don't pay in time, we can't promise we will keep the item you bid in stock all the time.

Any problem with payment please contact us first.

Due to different policies in different countries, there might be customs tax that should be paid by buyer. It is uncertain . 

Buyers need take responsibilities for any taxes occur at destination countries. 

We are not responsible for delays caused by the Customs,Import duties,taxes or other customs charges. If you need any document to do Customs clearance, Please feel free to contact us, we will do our best to help you.

Shipping

*We only ship items to your confirmed address in AE (except APO/FPO), so please make sure the address is correct before purchase.

*Items of most orders will be shipped out within 1-3 business days upon receipt of your payment confirmation and you can receive them within 10-21 business days.

Delivery depends on destination and other factors; it may take up to 21 business days or more.

*We are not responsible for import charges or fees.

*Damaged on Arrival: When you sign the parcel, please check it carefully.

You'd better take a video or photos when open it.

If there is any damage or shortage for your parcel, please contact your Post Office or Express Company immediately. Please send video or photos to our service staff at the same time.

Contact us

Your satisfaction is important to us. If you are not satisfied with our products/services, please contact us BEFORE leaving us any neutral or negative feedback, we will do our best to resolve any of your issue.
2. We appreciate your positive feedback if you are satisfied with our products and after-sale service

 If you are satisfied with our items or service, Please kindly help leave a positive feedback with all stars (Item as described, Communication, Shipping Time, Shipping and handling charges) for us. And we will leave positive feedback to you after receiving your positive feedback.

4.  Please kindly contact us if you meet any problem when using our products before leaving NEGATIVE feedback, Only Communication can solve the problem, not Negative feedback. Hope you understand! Thanks For your cooperation in advance!

5. You can contact me if you have any questions.

Our Business Hours（Beijing）:

8:00A.M.-6:30P.M. Mon-Sat

Thank you！