40-20 Scratch / Dig Optical Filters

15 Results
Short-Pass Filters -- GCC-211
from Daheng New Epoch Technology, Inc.

Optical Short-pass Filters are coated on a substrate of fused silica, which allows the transmission of any wavelength shorter than the cut-off wavelength and block any wavelength longer than the cut-off. [See More]

  • Surface Quality: 40-20 Scratch / Dig
  • Filter Shape: Circular
  • Filter Type: Short Pass Filters
  • Filter Diameter, Side Length, or Rectangular Length: 25.4
Custom Optical Optical Bandpass Filter CWL 1064.0nm/70mm x 60.0mm
from Andover Corporation

UV - VIS - NIR. Andover maintains a stock of high-quality surplus optical bandpass filters. These are primarily overruns of custom production lots, and exhibit the same high level of quality as all of our other products. Consequently, this can be a very economical alternative to purchasing a custom... [See More]

  • Surface Quality: 40-20 Scratch / Dig; 40/20
  • Application: Infrared
  • Filter Type: Bandpass / Interference Filters
  • Filter Diameter, Side Length, or Rectangular Length: 70
Optical glass neutral density filters
from HG Optronics, Inc.

A Neutral Density filter allows a photographer to control the exposure in an image very easily. The filter stops light reaching the camera sensor, therefore allowing us to leave the camera with a higher aperture for a longer amount of time. HG OPTRONICS neutral-density filter is a filter that... [See More]

  • Surface Quality: 40-20 Scratch / Dig; 60-40 Scratch / Dig
  • Application: Ultraviolet
  • Filter Type: Neutral Density Filters
  • Filter Shape: Circular
Interference Filter
from Foctek Photonics, Inc.

Applications. Biomedical. Fluorescence Microscope. Laser System. Inspection Apparatus. Selective Interference. Hg Lamp Spectrum. Analyzing Spectrum. Imaging Optics Systems [See More]

  • Surface Quality: 40-20 Scratch / Dig; 80-50 Scratch / Dig
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Bandpass / Interference Filters
  • Filter Shape: Circular
Custom Neutral Density Filters
from Rapid Spectral Solutions

Neutral density filters available in a wide range of optical densities and sizes. These filters are suitable for all general use. [See More]

  • Surface Quality: 10-5 Scratch / Dig; 20-10 Scratch / Dig; 40-20 Scratch / Dig; 60-40 Scratch / Dig; 80-50 Scratch / Dig
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Neutral Density Filters
  • Filter Shape: Circular; Square; Rectangular
Colored Glass Filters
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Surface Quality: 40-20 Scratch / Dig
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Color Filters
  • Filter Shape: Circular; Square
Neutral Density Reflective Type Filters at 400-2000 nm
from EKSMA OPTICS

Neutral density (ND) reflective type filters of 1 ’ ’ (25.4 mm) size with optical density that varies from 0.1 to 2.5 are available. Neutral density filters of Corning 7059 glass provide spectrally uniform attenuation from 400 nm to 2000 nm. The reflective coatings enable to reduce... [See More]

  • Surface Quality: 40-20 Scratch / Dig
  • Application: Infrared
  • Filter Type: Neutral Density Filters
  • Filter Shape: Circular
1000nm Dichroic Shortpass Filter, 12.5 x 17.6mm -- NT86-683
from Edmund Optics Inc.

Sharp Cut-Off Wavelength. Broad Transmission and Reflection Ranges. Available in 4 Common Sizes. Our TECHSPEC ® Dichroic Shortpass Filters are designed for a 45 ° angle of incidence. The rejected light is reflected at 90 °, making these filters ideal for use in fluorescence... [See More]

  • Surface Quality: 40-20 Scratch / Dig
  • Thickness: 1.05
  • Filter Type: Dichroic Filters; Short Pass Filters
  • Transmission Range: 520 to 960
Machine Vision Bandpass Filters
from UNI OPTICS(Fujian) Co., Ltd

A band pass filter is a device that passes frequencies within a certain range and rejects (attenuates) frequencies outside that range, and it ’s used to selectively transmit a portion of the spectrum while rejecting all other wavelengths. [See More]

  • Surface Quality: 40-20 Scratch / Dig
  • Filter Shape: Rectangular
  • Filter Type: Bandpass / Interference Filters
0.03 OD Metallic ND Filter UV Grade 25mmdia x 2mmthk -- FNU00325
from Knight Optical (UK) Ltd

Metallic Neutral Density filters comprise a thin metallic layer on a borosilicate glass or UV grade fused silica polished window. Metallic ND filters attenuate the light by reflection and thus avoid the possible heating issues with glass and gelatine neutral density filter types. However care must... [See More]

  • Surface Quality: 40-20 Scratch / Dig
  • Filter Diameter, Side Length, or Rectangular Length: 0.0
  • Filter Shape: Circular
  • Rectangular Width: 0.2000
Dielectric Long and Short Pass Filters
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Surface Quality: 40-20 Scratch / Dig
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Long Pass Filters; Short Pass Filters
  • Filter Shape: Circular; Rectangular
Longpass Dichroic Mirrors
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Surface Quality: 40-20 Scratch / Dig
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Long Pass Filters
  • Filter Shape: Circular; Rectangular
Neutral Density Filters
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Surface Quality: 40-20 Scratch / Dig; 60-40 Scratch / Dig
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Circular Variable Filters; Neutral Density Filters
  • Filter Shape: Circular; Rectangular
Shortpass Dichroic Mirrors
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Surface Quality: 40-20 Scratch / Dig
  • Application: Infrared; Visible; Ultraviolet
  • Filter Type: Short Pass Filters
  • Filter Shape: Circular; Rectangular
Spatial Filters
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Surface Quality: 40-20 Scratch / Dig
  • Application: Infrared; Visible
  • Filter Type: Spatial Filters
  • Filter Shape: Circular