Computing Life

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。

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.

A hands-on comparison of Hasselblad X1D medium format vs full frame cameras: image quality advantages exist, but speed and usability issues make full frame more practical for most users.

Connecting photography concepts with optics: glasses diopter equals 1/focal length, aperture affects depth of field and diffraction, and macro lens design for close focusing.

Creating gigapixel panoramas with Leica SL and vintage R lenses: from Seattle skyline to macro photography of watches and dollar bills, with tips for successful stitching.