Советую подумать не о камере, ибо сейчас и на мобильник можно снять нормально, а о том, где и что ты хочешь искать то, что ты называешь "мрачностью" и "вайбовостью".
Советую поиграть с нейросетями -- вот пример и настройки изображения

RAW photo, Of an Abandoned City Scene, Post Apocalypse (high detailed Scene:1.2), 8k uhd, dslr, high quality, full focus background, overcast sky, heavy rain, lightning, (a 1girl with black hair in a wet sundress stands with her back to the viewer:1.5), anime, vector, (detailed manga illustration1.3), game cg, perfect anatomy, 8k uhd, (sharp eyeliner:1.1), professional artwork, (vibrant colors:1.0), (saturated colors:1.0), (high color contrast:1.0), (bright colors:1.0), (bold colors:1.0), (intense colors:1.0), (colorful:1.0), (sharp lines:1.0), (masterpiece:1.0), (best quality:1.1), (beautiful face:1.1), high contrast
Negative prompt: (deformed iris, deformed pupils, semi-realistic, cgi, 3d, render, sketch, cartoon, drawing, anime:1.4), text, close up, cropped, out of frame, worst quality, low quality, jpeg artifacts, ugly, duplicate, morbid, mutilated, extra fingers, mutated hands, poorly drawn hands, poorly drawn face, mutation, deformed, blurry, dehydrated, bad anatomy, bad proportions, extra limbs, cloned face, disfigured, gross proportions, malformed limbs, missing arms, missing legs, extra arms, extra legs, fused fingers, too many fingers, long neck, nsfw, nose, cropped, lowres, text, artifacts, signature, blurry, multiple view, missing fingers, 6fingers, 7fingers, missing arms, 3legs, extra digit, extra arms, extra leg, 3leg, extra foot, naked, double face, ugly, extra fingers, poorly drawn face, mutation, deformed, glare, lines, stains
Steps: 60, Sampler: Euler a, CFG scale: 7, Seed: 3981708375, Size: 1280x720, Model hash: e6415c4892, Model: realisticVisionV20_v20