Tag Archives: 400mm

Canon Patents EF 400mm f/2.8L IS USM Extender Lens

According to the Egami Blog Canon has filed a patent for an EF 400mm f/2.8L IS USM Extender Lens.   If I’m reading the patent details correctly, this lens would feature user selectable extender settings of 1.4x and 1.7x. This … Continue reading

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LensRentals Tests Lenses at 400mm to See Each Stacks Up

Roger Cicala of LensRentals recently tested the following lenses on their Olaf Optical Testing bench to see how they compare to one another at 400mm:  Canon EF 400mm f/2.8L IS II USM Canon EF 400mm f/4 DO IS II USM … Continue reading

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Canon EF 400mm f/5.6L USM Lens Tested on the EOS 5Ds R

Image quality results from the Canon EOS 5Ds R have been added to the Canon EF 400mm f/5.6L USM Lens Review. This lens is looking sharp. Let’s look at some comparisons: Canon 400mm f/5.6L vs Canon 300mm f/4L IS with 1.4xCanon 400mm … Continue reading

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Writer’s Favorite Lens – the Canon 400mm f/2.8

Being a sports photographer, covering things ranging from soccer (football) and rugby, to horse racing, I often have the Canon 400mm f/2.8L IS II USM on one of my camera bodies. It’s this lens’ focal length and fast aperture that is … Continue reading

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