Customization: | Available |
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Usage: | Lighting, Medical, Optical, Photography, Astronomy |
Type: | Concave Lens |
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Items | Description | |
Doublet | Material: | Schott N-SF57 |
Schott N-BK7 | ||
Diameter: | 48.0-0.050/-0.112mm | |
Center thickness: | 15.0+/-0.1mm | |
ROC1: | 1743mm,CC | |
ROC2=ROC3: | 42.32mm+/-0.1%,Doublet | |
ROC4: | 56.3mm+/-0.1%,CX | |
Flatness: | S1:3/5(1);2(0.5) in any Dia10mm | |
S2&S3&S4:3/-(1);2(0.5) in any Dia10mm | ||
Surface quality: | S1&S2&S3&S4:5/10X0.1;C10x0.25;L5x0.002;E1 in any Dia10mm | |
Centerness: | 4/2arcmin | |
Clear aperture: | S1:>D39.2mm | |
S2:>D40.5mm | ||
S3:>D40.42mm | ||
S4:>D41.8mm | ||
Chamfer: | S1:<1.0mmx45deg | |
S2&S3&S4:<0.2mmx45deg | ||
Coating: | S1&S4:AR coating,Ravg<0.4%@425-675nm,AOI:0deg | |
Standard: | ISO 10110 |
Certificates:
FAQ:
1. What's your payment term?
T/T, Letter of Credit, Paypal, Western Union, etc.
2. What's your minimum order quantity?
1 unit.
3. Could you send free samples?
Your samples fee will be returned when you plack bulk order.
4.What's the delivery time?
15-30 days, it is up to your quantity and soecification and our stock. If in stocks, once you make the payment, your products will be sent within 2 days.
5. 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 contact us directly mobile phone +86 25-85652542
6.Can you OEM or ODM?
Yes, we accept all OEM and ODM.