Patent: Canon RF 70-200mm f/4
With the Canon RF 70-200mm f/2.8L IS already announced, it was only…
Patent: Canon EF 58mm f/1.4
A new patent for an EF 58mm f1.4 optical formula has appeared.…
With the Canon RF 70-200mm f/2.8L IS already announced, it was only…
A new patent for an EF 58mm f1.4 optical formula has appeared.…

Sign in to your account