Long pass filter

Long pass filter
Long pass filter
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Product Code : 43
Product Specifications
  • Material
  • optical glass, fused silica
  • Size
  • according to customer drawing
Product Description
A filter in which the pass band is a wavelength range higher than the wavelength range that is blocked. Long pass filters pass all wavelengths longer than the cut off wavelength. Long pass filters include cold mirrors, colored glass filters, and thermo set ADC (optical cast plastic) filters.


Material: Optical glass, fused silica
Diameter: +0/-0.2mm
Thickness: +/-0.1mm
Clear aperture: > 80% of diameter
Surface quality: 60-40 scratch and dig
Transmitted wavefront, P-V Lambda/4 @632.8nm
Coating type: Long pass filter
Surface 1: multi-layer dielectric coating
Surface 2: MgF2
Transmission: >85%
Cut-on tolerance: 2%
Cut-on Slope: 3%
Blocking: Optical density, OD > 2
Trade Information
  • FOB Port
  • Fuzhou China
  • Payment Terms
  • Telegraphic Transfer (T/T), Days after Acceptance (DA), Paypal
  • Supply Ability
  • 20000 Per Month
  • Delivery Time
  • 5 Week
  • Sample Available
  • Yes
  • Sample Policy
  • Sample costs shipping and taxes has to be paid by the buyer
  • Packaging Details
  • Provide our standard package
  • Main Domestic Market
  • All India
  • Certifications
  • N/A
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