Here’s how it works. Canon’s RF lens line-up has grown significantly since it launched in 2018. The catalog now includes something to cover pretty much any shooting scenario, from portrait ...

With the advent of this RF 16-28mm, there are no less than five full-frame options plus an RF-S wide-angle zoom for APS-C format cameras, and that’s not counting all of the back-catalog EF mount zooms ...

To accelerate particles, the accelerators are fitted with metallic chambers containing an electromagnetic field known as radiofrequency (RF) cavities. Charged particles injected into this field ...