Canon patent shows off EOS M speedbooster-style adapter for EF lenses

This diagram from the patent shows the optical construction of the Converter Adapter (labelled CL) → continue…

From:: DPreview

Patent: Canon speedbooster for EOS M

By Canon Rumors It looks like Canon is developing its own speedbooster for EF lenses on the EF-M mount. Canon News uncovered a → continue…

From:: Canon Rumors

Rokinon announces ‘Special Performance’ 35mm F1.2 lens for EF mount, due out in January

Product photo provided by Samyang

Third-party lens manufacturer Samyang has discreetly → continue…

From:: DPreview

Patent: Superzoom lenses for EF and RF mounts

By Canon Rumors Japan Patent Application 2018-180203 shows off some optical formulas for superzooms with both EF and RF mounts. EF mount optical → continue…

From:: Canon Rumors

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