The B+W 60HSB KB-6 (80D) conversion filter is nearly medium blue conversion filter neutralizes the strong red tendency of light at sunrise or sunset out in the open when the original colors of the subject are wanted instead of a warm morning- or evening mood. In addition, the KB 6 filter is ideal for “under-corrected” filtering of artificial light photographs on color negative films. When filtration is performed only later during printing, there is a visible color shift, and full correction leads to a higher loss of light. Its filter factor is approximately 1.5.
This filter uses our HSB mount made of brass. Various lenses for Hasselblad cameras are equipped with bayonets for the attachment of filters and lens hoods. The advantage of a bayonet mount over threaded filters is quick attachment and removal. HSB 60 and HSB 70 are offered.