Northlight has uncovered a USPTO patent for numerous quick prime optical formulation, included within the patent is the design for an RF 135mm f/1.8L. A lens we undoubtedly assume might be launched someday in 2020.

Canon RF 135mm f/1.8L USM embodiment:

  • Focal size: 133.0mm
  • F quantity: 1.80
  • Half angle of view: 9.2°
  • Image top: 21.6mm
  • Overall size of lens: 150mm
  • Backfocus: 18mm

This patent additionally consists of designs for an RF 85mm f/1.2L USM (which is already introduced) together with an RF 100mm f/1.4 quick prime. We assume the 135mm f/1.8 is extra prone to come than a RF 100mm f/1.4.