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The Heliopan 37mm KB-3 (82C) Filter is a color conversion filter that helps to slightly increase color temperatures and provide a cooling effect. The 82C removes the red light cast that commonly occurs when photographing with 100W or less tungsten lighting. It is also useful to subdue the red-yellow color cast when photographing in the early morning or late afternoon.
There is a 1.5x filter factor with this filter, requiring an increase of 0.6 stop for normal exposure. It has a 37mm brass mounting ring that is painted a matte black to help reduce reflections. The SH-PMC multi-coated Schott glass provides greater contrast and reduced reflection compared to uncoated filters.
Color conversion filter helps to slightly increase color temperatures and provide a cooling effect.
Removes the red-yellow light cast that commonly occurs in the morning and evening hours and also with 100W or less tungsten lighting.
37mm brass mounting ring that is painted a matte black to help reduce reflections.
SH-PMC multi-coated Schott glass provides greater contrast and reduced reflection compared to uncoated filters.
In the Box
Heliopan 37mm KB-3 (82C) Filter
Limited Lifetime Warranty
Table of Contents
1.5 (0.6 stop)
Slightly cools image and raises color temperature
For use when photographing in warm morning and evening light and with low-wattage tungsten lighting