I have been shopping around to get my first dslr camera, but now the time has come when I have to make a decision and I don't know what to do. So here is a list of my needs, wants, and questions. I am going to be using the camera to document a trip around the globe. I'm going to need the ability to take photos of people, building, scenery, wildlife, ect. ruggedness is a plus, but I get that a camera is a sensitive piece of equitment. I want to use prime lenses, I am thinking 2-3 of them should work? The less weight the better. I'm going to be doing a ton of backpacking. I would like to keep the entire package (camera, lenses, bag, ect) $1500 or less. Could stretch to $2500 though (cuts into other stuff I need[want] for trip). I don't need all the bells and whistles, and I will have plenty of time to (try to) master the camera, so I would prefer a camera setup that is hard to use but has greater capabilities, rather than a camera that is easy to use but lacks capabilities. (I'll take both if possible) I want a camera where if I was good enough that Natl. Geo. would be able to use them. So I see cameras like these, Canon EOS Rebel SL1 DSLR Camera Body Kit with EF 40mm f/2.8 STM Pentax K-3 DSLR Camera with 50mm Lens Kit B&H Photo Video and I wonder, what is difference between them, and this Canon EOS 5D Mark III DSLR Camera (Body Only) 5260B002 B&H Photo yeah, I assume that the more expensive one is better, but if I get really good can I almost match photo quality with the cheaper ones? Assuming I'm the most amazing photographer in the world, could a cheaper camera with a high quality prime lens match a more expensive camera with all the doodads? I know there are probably a ton of posts that cover similar things to my questions, but I'm leaving on my trip in less than 72 hours, so I don't really have time to figure everything out. I was planning on throwing all these questions on a friend last minute, but they won't have time till it's too late.