31 Step Reflective Gray Chart (ST-50)


SKU: ST-50 Category:


The ST-50 gray scale chart is a reflection object on semi-matte photographic paper. It is available either calibrated or uncalibrated. The four corner patches for the calibrated scales are within 0.02 density of each other. Each area is 10mm square.

Additional information

Billable Weight: 2 lbs

Reflective Material

Overall Size

3.0 in. x 4.04 in. – 76.2mm x 102.7mm

Number of Steps


Density Range

0.10 to 1.6

Step Size

10mm x 10mm

Active Image Area

1.57 in. x 3.54 in. – 40mm x 90mm

Accredited Calibration

Yes, No