China 23mm Diameter Anti-Reflection Coated Optical Doublet Achromatic Lens

Dia23mm 400-700nm AR Coated Optical Negative Doublet Lens

Specification:

DescriptionMaterial:Schott N-Bak4 Schott SF5Diameter:23.0+0.0/-0.1mmCenter thickness:6.0+/-0.2mm Effective focal length:-100.1mm+/-1%@486.1nm,587.6nm&656.3nmBack focal length:-103.6mm(REF)ROC1:52.0mm,CCROC2=ROC3:49.9mm,DoubletROC4:600.0mm,CCFlatness:S1&S2&S3&S4:PWR<5fr@633nm;IRR<0.5fr@633nmSurface quality:S1&S2&S3&S4:40-20Centerness:<3arcminClear aperture:>90%Chamfer:protectedCoating:S1&S4:AR coating,R<0.5%@400-700nm,AOI=0degStandard:MIL-PRF-13830B

FAQ:
1. Are you a manufacturer or trader? Can I visit your factory or office?
We are a manufacturer. We have factories in Jiangsu and Zhejiang provinces.
In order to provide better and in-time services, we set up branches in US, Germany and Netherlands.
You are welcome to visit our factories and offices at any time.
2. What's your payment term?
T/T, D/P, Letter of Credit, Western Union etc.
3. What's your minimum order quantity for this item?
1 unit.
4. Could I get free samples before making an order?
Your samples fee will be refunded when you place volume order.
5. Can I get a catalog?
Of course, please contact our salesman to get a catalog.
6. What's the lead time?
15-30 days, it is up to your quantity and specification and our stock.
If in stocks, once you make the payment, your products will be sent within 2 days.
7. What's your price list and discount?
The above price is our reference price, if you would like to know more our exact and discount policy, please email us or call us directly.
8. Can you OEM or ODM?
Yes, we accept all OEM and ODM.
9. Do you give a warranty of your products?
Yes, if there is a quality problem, please kindly provide the pictures to show the problem by email.
We will rework or provide the replacements to you at our cost according to actual conditions.
Website: www.cpgoptics.com
Contact: Benjamin Cui
Mobile: +86 25-85652542 or +86 13382045298