While camera bodies get most of the hype when it comes to technological advancements, modern lenses are no slouches. It takes a lot of careful design, engineering, and manufacturing to fit a bevy of electronics, glass, and motors to create la ens that is merely functional, let alone one that reliably produces high-quality images. What all goes into a modern lens? This neat video takes apart a Canon RF lens to show you what is inside.
[ Read More ](Originally posted by Alex Cooke)