Biconvex lens(mm) | |||
Diameter | Focal Length | Center Thickness | Edge Thickness |
9 | 10 | 2.6 | 1.5 |
20 | 40 | 4.3 | 2.5 |
23 | 30 | 5.5 | 2 |
24 | 30 | 4.5 | 1.5 |
25 | 15 | 7 | 2.1 |
26.4 | 20 | 8 | 1.8 |
30 | 60 | 6.5 | 3 |
31 | 48. 74 | 5.7 | 2.1 |
31.4 | 40 | 5.8 | 2.1 |
36.5 | 40 | 9.7 | 3.4 |
42 | 50 | 8 | 2.3 |
44 | 40 | 13.8 | 2.7 |
45.2 | 80 | 8.5 | 2.5 |
48.5 | 110 | 9 | 2.9 |
49 | 70 | 9 | 2.6 |
50 | 300 | 5. 02 | 3 |
51.5 | 160 | 6.5 | 3.2 |
Square 30x30 | 40 | 9.6 | 3.5 |
Payment:
Payment is required to be made within 6 days from the closing date of your auction or purchased.
If you don't pay in time, we can't promise we will keep the item you bidded in stock all the time.
Any problem with payment pls contact us first.For getting back the trade final fees from Ebay, we will file a non-paying bidder alert with Ebay.
Shipping:
We only ship items to your confirmed address in Ebay (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.
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,
and contact your Post Office or Express company immediately.
Please send video or photos to our service staff at the same time.
Feedback:
1.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.
2.We appreciate your positive feedback if you are satisfied with your purchase.
3.Please note that we are using the automatic eBay Feedback system which would automatically leave positive feedback to buyers after receiving positive feedback from them.
4. No refund or return is available for NEGATIVE feedbacks.
5.You can contact me if you have any questions.