This mirrorless camera from Panasonic creates spectacular 47.3-megapixel pictures and comes with an integrated lens. This is a heavy camera with a weight of 898 grams.
From Photospecialist
Panasonic Lumix DC-S1R + 24-105mm F4.0 L-Mount
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Panasonic Lumix DC-S1RM with L-Mount 24-105mm lens