Jelaskan (en:Key light) dari Daftar istilah fotografi

(en:Large format camera) Kamera format besar

(en:Latitude aberration). Istilah lain circle of confusion menurut Society for the Diffusion of Useful Knowledge.

(en:Large format camera) Kamera format besar

(en:Least circle of confusion). Lihat A Treatise on the Reflexion and Refraction of light: being Part I. of a System of Optics.