ISO14524
Our Camera Contrast Chart conforms to International Standard ISO-14524, "Photography-Electronic still picture cameras - Methods for measuring opto-electronic conversion functions (OECF’s)". This target’s area measures 20 cm high by 35.6 cm wide and has 12 gray levels ranging from 0.10 to 2.30 density on a uniform gray background.

這種相機(jī)色卡遵循ISO-14524標(biāo)準(zhǔn)“攝影－電子照像畫面－OPTO電子轉(zhuǎn)換測(cè)量方法（OECF’s）”這種色卡的測(cè)量范圍為20cm×35.6cm。在同一個(gè)灰色背景上從0.10到2.30，它有12種不同程度的灰階。