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Canon Patent For Cooling Adapter For The RF Mount

Canon Patent For Cooling Adapter For The RF Mount

Did Canon foresee the EOS R5/R6 overheating hysteria? A Canon patent suggests so. Canon patent application 2019-186871 (Japan) describes an adapter for the Canon RF mount which seems to have…

Canon Patent: 100-400mm F/5.5-7.1 Lens For APS-C Camera

Canon Patent: 100-400mm f/5.5-7.1 Lens For APS-C Camera

Here is an inetersting Canon patent for a 100-40mm lens. Canon Patent Application¬†2020-027156 (Japan) discusses optical formulas for a 100-400mm f/5.5-7.1 lens. The interesting fact is that this 100-400mm f/5.5-7.1…

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