With diverging lenses, incoming parallel rays diverge just after undergoing the lens, in this kind of way which they seem to have originated at a location one focal length before the lens. Here is the lens's front focal point. Rays from an object in a finite length are involved with https://opticians-near-me86208.imblogs.net/79692856/how-best-portable-bluetooth-speaker-can-save-you-time-stress-and-money