Canon Patent: 200-800mm f/6.3-9 And 150-600mm f/6.3-9 Lenses

A new Canon patent application for two telephoto lenses.

Canon patent application 2024062200 (japan, published 5/9/2024) discusses optical formulas for two telephoto lenses for the RF mount:

• 200-800mm f/6.3-9
• 150-600mm f/6.3-9

From the patent literature:

• An object of the present invention is to provide a zoom lens that has high optical performance, a high zoom ratio, and is small and lightweight.
• [Background Art] In recent years, imaging optical systems used in imaging devices are required to be small and lightweight zoom lenses that have a long focal length at the telephoto end and have high optical performance over the entire zoom range.
• According to the present invention, it is possible to provide a zoom lens that has high optical performance, has a high zoom ratio, and is small and lightweight.

[via asobinet]