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0.6 OD M37.0 x 0.75, Mounted Absorptive ND Filter

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Optical Density OD (Average):
0.6
Clear Aperture CA (mm):
31.9
Filter Thread:
M37 x 0.75
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
ND Filter Glass
Thickness with Mount (mm):
4.50
Surface Quality:
80-50
Transmission (%):
25
Type:
Mounted Imaging Filter
Blocking Wavelength Range (nm):
400 - 700
Mount Thickness (mm):
5.2 ±0.3
Note:
AR Coating: MgF2
Coating Specification:
Ravg ≤1.75% @ 400 - 700nm
Mount Diameter (mm):
39.0 ±0.3
Mount Thickness Including Threads (mm):
6.5

Regulatory Compliance

RoHS 2015:
REACH 201:
Certificate of Conformance:

Product Family Description

  • Spectrally Flat from 400-700nm
  • Homogeneous Glass: Blocks by Absorption
  • Light/Exposure Control for Imaging

Mounted Absorptive Neutral Density (ND) Filters appear gray in color and reduce the amount of light reaching the camera's sensor. Since the transmission value only varies over a small percentage in the visible, there is no effect on color balance. Instead of just stopping down the lens aperture due to high light levels, ND filters allow for wider apertures which can be used to decrease the depth of field. This allows the important information to be separated from the background. Mounted Absorptive Neutral Density (ND) Filters, compared to polarizing filters, are ideal for overall light reduction in cases of extreme light intensity. By stacking filters, it is possible to achieve other Optical Density (OD) values. All mounted filters can be threaded together with identical male and female threads on each mount. Optical Density exhibits an additive relationship; for example, stacking filters with OD values of 0.6 and 0.9 yields a resultant density of 1.5. The Optical Density (OD) is related to the transmission by the following equation: T = 10-D x 100 = percent transmission.

Filter

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Neutral Density (ND) Filters are designed to evenly reduce transmission. For more information on specifications and products, read more at Edmund Optics.

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