Photography

Well, I wouldn't say that one market is inherently stronger than the other. You can also buy a mirrorless camera for the price of one Pentax K70. Again, it just depends what's better for your use case. If you only do wildlife photography and nothing else, a DSLR is the better choice because you get better autofocus for cheaper. But instead of a Pentax K70, I'd actually recommend the Nikon D7100. It was basically Nikon's semi-professional offering, and the camera is great to this day. Also, Nikon's product line for wildlife photography is just way better. An additional plus being that the Nikon Bayonet is the most supported bayonet for adapting. Since even with lenses that do not have an aperture ring, you can control the aperture on the adapter if you wish to adapt it to a mirrorless camera, for example. The D7100 also supports Nikon's slightly older AF-D lenses. This just means the autofocus motor is inside the camera. That just means you sacrifice focus speed for cheaper wildlife lenses. Beyond the lookout for some AF-D Nikon glass. If you're deterred because it's older, look at few comments down. I had a conversation with a guy that basically recapitulates both perspectives.