More optical formulas for large aperture RF mount prime lenses have appeared. This new patent showcases some RF mount prime lenses that utilize Defocus Smoothing, Read more... The post Patent: Canon RF 135mm f/1.4L DS USM optical formula appeared first on Canon Rumors - Your best source for Canon rumors, leaks and gossip....
Published By: Canonrumors - Wednesday, 29 December, 2021