Color Camera Gray Scale Test Chart(with super black hole)
Skin color chart European girl test chart Flesh Tone Referen
OECF/NOISE Digital Image 20 Gray Patches Chart
Reflective/ Transmissive Benchtop Spectrophotometer YS6010
Laboratory 360-780nm Benchtop Spectrophotometer YS6060
New upgraded(steel plate) standard light source color light