Similar to the Ciba/Hoehenstein plastic standard, this standard displays a CIE brightness of approximately 125+/-5 with a tint of less than 1. The standard is available either as a 52 mm x 75 mm chip or in a Delrin holder with an anodized aluminum cover.

Part #	Description
MBF-023H	Medium Brightness Standard, in holder, 2" x 3" (52 mm x 76 mm), matte finish.
MBF-023C	Medium Brightness Standard, standard only, 2" x 3" (52 mm x 76 mm), matte finish one side/glossy other.