ultra photorealistic interior render setup enhanced realism no scene changes camera true to lens cinematic focal length 38 42mm natural perspective minimal distortion camera height 1 45m human eye level sensor simulation full frame 36x24mm depth of field focus point center sofa cushions slightly forward biased aperture f 3 2 f 4 realistic falloff not overly shallow shutter realism subtle motion softness in highlights if applicable add very subtle lens breathing micro aberration chromatic aberration 0 5px vignette extremely subtle lens based not post effect lighting physically plausible layered primary light natural daylight hdri sky high dynamic range overcast or late afternoon physically calibrated sun intensity soft diffused no harsh direct beams direction window through sheer curtains color temperature 5800 6500k exposure slightly underexposed by 0 3 ev for highlight retention window treatment sheer curtains transmission 65 75 micro fiber scattering subsurface like diffusion visible weave at grazing angles slight uneven density real fabric variation secondary lighting practical light source arc floor lamp temperature 2800 3000k intensity very low 5 15 of key light purpose local fill realism not illumination dominance slight falloff and warm spill on nearby surfaces global illumination bounces 8 12 for realistic energy decay light interaction ensure color bleeding between surfaces ambient occlusion radius tight small scale contact shadows intensity very subtle almost imperceptible contact shadows enabled soft edge diffusion materials physically accurate imperfection driven sofa fabric roughness 0 65 0 8 non uniform maps fine fabric weave normal micro color noise very low contrast subtle compression wrinkles seat usage add slight specular breakup avoid uniform sheen pillows each pillow slightly different roughness fill deformation asymmetry no perfect edges minor creasing at contact points wood tables true pbr workflow albedo variation natural grain inconsistency roughness variation 0 25 0 5 imperfections micro scratches directional tiny dents at edges slight edge wear barely visible walls painted plaster roughness 0 88 0 95 subtle plaster bump very low amplitude slight tonal unevenness roller marks real paint variation off white tint avoid pure rgb white glass shelves lamp ior 1 45 roughness 0 01 0 05 variation add micro smudges fingerprints barely visible angle dependent slight thickness for realistic refraction metal lamp arc brushed metal anisotropy directional reflections imperfections micro scratches fine non uniform slight dulling in high contact areas floor wood 4k 8k texture resolution variation plank to plank color shift roughness inconsistency reflectivity subtle semi matte not glossy slight edge warping very subtle realism rug fiber simulation fuzz shader or micro displacement variation slight shading irregularities foot patterns very subtle micro realism enhancers imperfection maps across all surfaces extremely subtle non repeating dust accumulation light presence on horizontal surfaces slightly more visible in grazing light edge darkening natural not stylized ao avoid perfect symmetry uniform roughness pure blacks or whites color grading physically inspired tone mapping filmic soft highlight roll off white balance slightly warm neutral contrast gentle s curve not punchy highlights warm bias shadows soft lifted slightly no crushing saturation natural slightly muted add very subtle film grain sensor level not stylized minimal vignette lens based feel