Dia39mm N-SF57 Uncoated Optical Biconcave Lens

• After-sales Service: Repair for free
• Warranty: 1 year
• Usage: Lighting, Medical, Optical, Photography, Astronomy
• Type: Concave Lens
• Transmittance: 90%-95%
• Shape: Single-lens
• Model NO.: BCC lens
• Material: Schott N-Sf57
• Lenses Color: Clear
• Certification: RoHS, ISO9001, CE, TUV
• Customized: Customized
• Coating: Uncoated
• Transport Package: Carton, Blister, Customized
• Specification: as required
• Trademark: CPG
• Origin: China
• HS Code: 9001909090
• Production Capacity: 5000 Pieces

Product Description

Dia39xCT2mm N-SF57 Uncoated Optical Biconcave Lens

 

 

 Specifications:
  

Items	Description
Biconcave Lens	Material:	Schott N-SF57
	Diameter:	39.0+0.0/-0.1mm
	Center thickness:	2.0+/-0.1mm
	ROC1:	34.7816mm+/-0.3%,CC
	ROC2:	177.351mm+/-0.3%,CC
	Flatness:	S1&S2:PV<1/[email protected]
	Surface quality:	S1&S2:40-20
	Centerness:	<2arcmin
	Clear aperture:	>90%
	Chamfer:	protected
	Coating:	uncoated
	Standard:	MIL-PRF-13830B

Features:

. Diverge incident light
. Reduce spherical aberration