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.