Tag: Photography

13 posts tagged “Photography”.

• A Beginner's Course in Photographic Lens Optical Design: From Aberrations and Classic Lens Groups to Computational Optics

  Jun 9, 2026 · 88 min read

  From paraxial ideals and Seidel aberrations to classic lens groups like the Cooke Triplet, Double Gauss, telephoto and retrofocus, then on to aspherics, special glass, MTF and computational optics — a beginner's course that threads photographic lens design into one coherent picture.

• Taiwan Travelogue

  Apr 20, 2026

  A travel log from late 2025 with a friend, going from Taipei south through Taichung, Tainan, and Kaohsiung, then returning home via a Hong Kong layover.

• Travelogue of Japan

  Jul 30, 2025

  Scenery has no fixed bounds; it is revealed by the mind’s illumination.