Dia34xt3mm Uncoated Optical Neutral Density ND Filter

• Usage: Lighting, Medical, Optical, Photography, Astronomy
• Thickness Range: 2mm-5mm
• Color: Transparent
• Type: Thin Film Filter
• Principle: Selective Absorption Filter
• Material: Glass
• Angle of incidence: 0deg-15deg
• Shape: Customized
• Certification: RoHS, ISO, CE, TUV
• Customized: Customized
• Transport Package: Carton, Blister, Customized
• Specification: as required
• Trademark: CPG
• Origin: China
• HS Code: 9001909090
• Production Capacity: 5000 Pieces

Product Description

Dia34xT3mm Uncoated Optical Neutral Density ND Filter
 

Specifications:
 

Items	Description
ND Filter	Material:	Hoya ND-0.3
	Diameter:	34.0+/-0.1mm
	Thickness:	3mm(REF),OD3.0 +/-0.1%@550nm
	ROC1:	infinity
	ROC2:	infinity
	Surface flatness:	N/A
	Surface quality:	S1&S2:60-40
	Parallelism:	<3arcmin
	Clear aperture:	>90%
	Chamfer:	protected
	Coating:	uncoated
	Standard:	MIL-PRF-13830B

Description:

CPG OPTICS offers very high coated and uncoated interference filters. We have developed a test method to guarantee the surface flatness and surface quality.  

All filters from CPG optics are used as standard test plate or in astronomy, we are very proud to tell and provide the fabricating service for the customers.

Materials we already use: optical glass, materials, and even some plastics.


 Applications:

.  fluorescence microscopy
.  spectroscopy
.  clinical chemistry
.  machine vision inspection