D23.20mm 490-570nm AR Coated Optical Doublet Achromatic Lenses

• Customization: Available
• After-sales Service: Repair for free
• Warranty: 1 year
• Model NO.: Coated lens
• Usage: Lighting, Medical, Optical, Photography, Astronomy
• Type: Convex Lens
• Transmittance: 90%-95%
• Shape: Cemented
• Material: Optical Glass
• Lenses Color: Clear
• Certification: RoHS, ISO9001, CE, TUV
• Customized: Customized
• Coating: Anti-Reflection
• Transport Package: Carton, Blister, Customized
• Specification: As required
• Trademark: CPG
• Origin: China
• HS Code: 9001909090
• Production Capacity: 2000 Pieces

Product Description

D23.20mm 490-570nm AR Coated Optical Doublet Achromatic Lenses

Specification:

 

Items	Description
Doublet Lenses	Material:	Schott N-SK2
		Schott N-SF6HT
	Diameter:	21.20+0.00/-0.05mm
		23.20+0.00/-0.05mm
	Center thickness:	11.118+/-0.100mm
	S3 SAG:	1.615+/-0.025mm
	S4 SAG:	2.659+/-0.025mm
	R1:	16.949mm+/-0.1%,CX
	R2=R3:	35.585mm+/-0.05%,Doublet
	R4:	13.667mm+/-0.1%,CC
	Flatness:	S1&S2&S3&S4:IRR<1fr@633nm
	Surface quality:	S1&S2&S3&S4:80-60
	Centerness:	<4arcmin
		S3&S4:ETV<0.02mm
	Clear aperture:	S1&S2:>D20.4mm
		S3:>D21.2mm
		S4:>D16.2mm
	Chamfer:	<0.2mm(FW)x45deg
	Coating:	S1&S4: AR coating,Ravg<0.5% and Tavg>99%@490-570nm,AOI:0deg
	Standard:	MIL-PRF-13830B

Inspection:

 

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.