Dia20mm 425-625nm Coated Optical Doublet Achromatic Lens

• Usage: Lighting, Medical, Optical, Photography, Astronomy
• Type: Convex Lens
• Transmittance: 90%-95%
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• 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: 4000 Pieces

Product Description

Dia20mm 425-625nm Coated Optical Doublet Achromatic Lenses
 

 

Specification:
 

Items	Description
Achromatic Doublet	Material:	Schott N-Balf4
		Schott N-LAK12
	Diameter:	20.0+0.0/-0.02mm
	Center thickness:	9.0+/-0.2mm
	ROC1:	16.3701+/-0.20%mm,CC
	ROC2=ROC3:	infinity
	ROC4:	21.7369+/-0.20%mm,CX
	Flatness:	S1&S2&S3&S4:IRR:0.5fr@632nm
	Surface quality:	S1&S2&S3&S4:40-20
	Centerness:	<3arcmin
	Clear Aperture:	>D18.0mm
	Chamfer:	<0.5mmx45deg
	Coating:	S1&S4:AR coating,Ravg<0.4%@425-625nm,AOI=0deg
	Standard:	MIL-PRF-13830B

 

Features:
. Diverge incident light
. Reduce spherical aberration