从物理和工程角度介绍色彩管理的原理，解释人眼响应曲线、LMS/XYZ/HSV等色彩空间，以及设备间颜色校准的白点校准和色彩映射方法。
Articles by grapeot
Catastrophic Failure
DigitalOcean server incidents and migration to Azure—site layout may be temporarily affected during the transition.
Tagged as : English胶片摄影
入门胶片摄影的体验分享，介绍不同画幅（135/120/6x6/4x5）、取景对焦方式、冲洗扫描流程，以及胶片画质相比数码的优势与坑点。
镜头的色差
镜头色差详解：轴向色差与焦距成正比所以长焦需要APO设计，径向色差与焦距无关无法用APO解决。光圈越大色差越明显，小光圈可减轻轴向色差。
How to shoot photos for the total eclipse
Practical guide to photographing a total solar eclipse, covering time-lapse techniques, bracket exposure for corona details, and economical alternatives using telescopes instead of expensive telephoto lenses.