Weather Resistant Camera: Pentax K1 Vs Nikon D850 Vs Sony A7RIII Exterior Comparison - YouTube
Ricoh Pentax K-1 Mark II Full-Frame DSLR: Compact, Rugged & Weather-Resistant, Improved ISO 819200 Low-Light Capability, Dynamic Pixel Shift Resolution Mode for Pixel Shifting Without Using A Tripod, Astro Tracer for Tracing