You might need some bigger SD cards if you want to shoot with Canon's latest camera.

At 50.6 megapixels, the EOS 5DS and variant 5DS R have the world's highest resolution for digital SLR 35mm full-frame sensors, Canon said Friday.

The CMOS sensor outstrips rival camera systems such as Nikon's D810 at 36 megapixels and Samsung's NX1 at 28 megapixels.

Canon's latest shooters are aimed at professional photographers and those of us from other creative professions who need to take professional-level shots. The difference between the two is that the 5DS R removes the effect of the low-pass anti-alias filter, which is designed to counter wavy patterns known as moiré.

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