D25.4 mm AR Coated Cemented Achromatic Triplets Focal Length 20mm Lenses for telescope/binocular/microscope

• 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: 5000 Pieces

Product Description

D12.5 mm AR Coated Cemented Achromatic Triplets Focal Length 25mm Lenses for Telescope/Binocular/Microscope

 

Specifications:
 

Description
Material:	Schott N-SF5 or other
	Schott N-K5 or other
	Schott N-SF5 or other
Diameter:	25.4+0.0/-0.025mm or other
Center thickness:	9.0+/-0.3mm or other
ROC1:	14+/-0.1%mm CX
ROC2=ROC3:	8.3+/-0.1%mm DOUBLET
ROC4:	14.9+/-0.1%mm CX
Flatness:	S1&S2&S3&S4:PWR<1fr@633nm;IRR<1/2fr@633nm
	S5&S6:PWR<1fr@633nm;IRR<1/4fr@633nm
Surface quality:	S1&S2&S3&S4:40-20
Centerness:	<1arcmin
Clear aperture:	From edge: 0.25mm
Focal length:	20mm
Coating:	S1&S6:MgF2 AR coating,Rabs<0.5%@1572+/-10nm,R<1%@480-1070nm,AOI:0+/-10deg
Standard:	MIL-PRF-13830B

Inspection:

Why CPG

COST, PRECISION, G+ SERVICE
CPG optics has over 20 years experiences in optics industry, we provide a variety of different material fabricating and coatings, and we always aim to be a trustful supplier for all the customers.
Our in-house optical metrology capability ensures the all the requirements for the parts are within the specs:

• Zygo Interferometer
• Wyko Cylinder Interferometer
• Agilent Cary 7000 Spectrometer
• Optical Bench
• Moller-wedel Goniometer
• Taylor Hobson Profiler
• Mitutoyo Projector
• Zygo Roughness Meter
• CMM
• Stress Measuring
• Satisloh Spherometer
• Trioptics Centering

CPG is also an ISO: 9001&14001 certified manufacture, we deliver fast and provide best cost performance ratio for our customers.

Certificates