The latest patents from Canon and Ricoh

→ Canon filed a new patent for EF 20-45mm f/2.8-4 lens.

→ Canon has another patent for a 25-125mm f/2.8 lens (Super 35 mm).

→ Another Canon patent is for a EF-S 55-200mm f / 4-6.3 STM lens.

→ Ricoh filed a patent for AF tracking of celestial bodies (for astrophotography).