Balluff - BVS CA-GX0 / BVS CA-GX2 Technical Documentation
Filters

Balluff offers several specific filters for cameras. The hot mirror filter is part of the standard delivery condition.

Hot Mirror Filter

The hot mirror filter has great transmission in the visible spectrum and blocks out a significant portion of the IR energy.

Technical data
Diameter Varies depending on the camera
Thickness 1.0 mm
Material Borofloat
Characteristics T = 50% @ 650 +/- 10 nm
  T > 92% 390-620 nm
  Ravg > 95% 700-1150 nm
  AOI = 0 degrees
Surface quality Polished on both sides P4
Surface irregularity 5/3x0.06 on both sides
Figure 1: IR-CUT wavelengths and transmission diagram

Cold mirror filter

The high-quality daylight cut filter has optically polished surfaces. The polished surface allows the use of the filter directly in the path of rays in image processing applications. The filter is protected against scratches during the transport by a protection film that has to be removed before the installing the filter.

Technical data
Diameter Varies depending on the camera
Thickness 1.0 mm
Material Solaris S 306
Characteristics Tavg > 80% > 780 nm
  AOI = 0 degrees
  Protective foil on both sides
  Without antireflexion
  Without bezel
Figure 2: DL-CUT wavelengths and transmission diagram

Glass filter

It is also possible to choose a glass filter with following characteristics:

Technical data
Glass thickness 1.0 mm
Material Borofloat without coating
  ground with protection chamfer
Surface quality polished on both sides P4
Surface irregularity 5/3x0.06 on both sides
Figure 3: Glass filter wavelengths and relative quantum efficiency diagram