40mm (VIS MgF2) Single Layer Coated Optical Achromatic Doublets

• Usage: Lighting, Medical, Optical, Photography, Astronomy
• Type: Achromatic
• Transmittance: 90%-95%
• Shape: Doublet Lens
• Material: Optical Glass
• Lenses Color: Clear
• Certification: RoHS, ISO9001, CE, TUV
• Customized: Customized
• Coating: Single Layer Mgf2
• Transport Package: Carton, Blister, Customized
• Specification: as required
• Trademark: CPG
• Origin: China
• HS Code: 9001909090
• Production Capacity: 5000 Pieces

Product Description

40mm (VIS MgF2) Single Layer Coated Optical Achromatic Doublets

 

Specification:
 

Description
Material:	Schott N-BK7
	Schott N-SF5
Diameter:	40.000+0.000/-0.025mm
Center thickness:	12.50+/-0.20mm
EFL:	160.00mm+/-1%@587.6nm
BFL:	[email protected]
R1:	98.66mm,CX
R2=R3:	70.73mm,Doublet
R4:	205.72mm,CX
Flatness:	S1&S2&S3&S4:PWR:[email protected]
	S1&S2&S3&S4:IRR:[email protected]
Surface quality:	S1&S2&S3&S4:40-20
	All other surfaces:fine ground
Centerness:	<1arcmin
Clear aperture:	S1&S2&S3&S4:>D39.00mm
Chamfer:	protected
Coating:	S1&S4:Single layer MgF2@550nm,Ravg<1.75%@400-700nm,AOI:0deg
	S2&S3:uncoated
Standard:	MIL-PRF-13830B

Inspection:

Control items	Inspection instrument/method
Diameter:	Mitutoyo vernier caliper
Thickness:	Mitutoyo micrometer
Flatness:	ZYGO interferometer
Surface quality:	Naked eye test& 15W LED cold light
Centerness:	TRIOPTICS centration measurement or CPG customized instrument
Chamfer:	Magnifier X10& naked eye test
Coating:	Agilent Cary 7000