In the latest video of Framelines (https://youtu.be/Sd41x2vp0fM), Josh Edgoose goes on a small tangent from the main topic: lenses should use the full-frame equivalent focal length, not the real focal length.

Why should the full-frame equivalent be the base reference? I understand the conventions and all ... t3mujin.micro.blog https://t3mujin.micro.blog/2023/12/03/in-the-latest.html