30mm Optical Glass Focal Length 100mm Optics Double Concave Lens DIY Telescope
Item History & Price
| Reference Number: Avaluer:4607303 | Country/Region of Manufacture: China |
| Material: K9 Optical Glass |
30mm Optical Glass Lens Focal Length 100mm Optics Double Concave Lens Teaching Science DIY Self-made Telescope Lens 2pcs
Specification
Optical Glass 100mm Focal Length Optics Double Concave Lens
Material: K9 Optical Glass
Lens Diameter:30mmCenter Thickness: 3mm Focal Length: -100mm
Package Includes 2pcs 30mm Dia Double Concave Glass Lens
Products DisplayPaymentWe only accept payment from PAYPAL and all major credit cards... accepted by PayPal.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 bid in stock all the time.Any problems with payment please 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 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 us1. 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）:8:30A.M.-6:30P.M. Mon-SatThank you！
Specification
Optical Glass 100mm Focal Length Optics Double Concave Lens
Material: K9 Optical Glass
Lens Diameter:30mmCenter Thickness: 3mm Focal Length: -100mm
Package Includes 2pcs 30mm Dia Double Concave Glass Lens
Products DisplayPaymentWe only accept payment from PAYPAL and all major credit cards... accepted by PayPal.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 bid in stock all the time.Any problems with payment please 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 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 us1. 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）:8:30A.M.-6:30P.M. Mon-SatThank you！
