Dia4.5mm 1/4 Wave MgF2 Coated Optical Doublet Lens

• Certification: RoHS, ISO9001, CE, TUV
• Customized: Customized
• Coating: 1/4 Wave Mgf2
• Transport Package: Carton, Blister, Customized
• Specification: as required
• Trademark: CPG
• Origin: China
• HS Code: 9001909090
• Production Capacity: 5000 Pieces

Product Description

Dia4.5mm 1/4 wave MgF2 Coated Optical Doublet Lens

Specification:
 

Items	Description
Doublet Lens	Material:	Schott N-BK7
		Schott N-SF5
	Diameter:	4.500+0.000/-0.025mm
	Center thickness:	3.2+/-0.1mm
	Edge thickness:	2.73mm(REF)
	Effective focal length:	[email protected]
	Back focal length:	[email protected]
	ROC1:	15.37mm,CX
	ROC2=ROC3:	11.16mm,CX/CC
	ROC4:	32.17mm,CX
	Flatness:	S1&S2&S3&S4:PWR<[email protected] over CA
		S1&S2&S3&S4:IRR<[email protected] over CA
	Surface quality:	S1&S2&S3&S4:40-20
	Centerness:	<1arcmin
	Clear Aperture:	>D4.05mm
	Chamfer:	protected
	Coating:	S1&S4:1/4 wave MgF2@550nm,
		Ravg<1.75%@400-700nm,AOI:0deg
	Adhesive:	NOA61
	Standard:	MIL-PRF-13830B

Inspection:
 

Control  code	Control items	Inspection instrument/method
CPG	Diameter:	Mitutoyo Vernier caliper
	Surface Quality:	Naked eye test& 15W LED cold light
	Flatness:	ZYGO interferometer
	Centerness:	TRIOPTICS centration measurement or CPG customized instrument
	Chamfer:	Magnifier X6& naked eye test
	Coating:	Agilent Cary 7000