Beginner's Guide to Choosing a DSLR Camera, 1000-2000 High Cost Effective Solution

Teacher, may I ask which one is better for taking portraits? Budget 2000-4000

After reading the blogger's post, I finally bought a Canon 5d2 with lenses of Canon 35-135EF, Small spittoon, and Shenniu TT520 second-generation flash light, which is the P5 set. The total is 2505 [stick R] (the following were all taken with 35-135 lenses. Today is my first time taking photos outside, and I apologize for any technical difficulties)

Sony A5000 wants to be equipped with a 50mm f/1.8 lens for portrait photography. What do you think? I am a beginner

Novice, under 2500 yuan, shooting scenery and people, can you directly produce movies