astronaut full body, science fiction, space walk, playing guitar, beautiful detailing, detailed, sharpen, details, professional lighting, photography lighting, Full body image, cinematic lighting , sharp focus, denoise + octane render, ambient overlap, realistic render, CGI, VFX, SFX, ultrarealistic, global Illumination , ultra detailed, photography lighting + 50mm, 80mm, 100mm + lightoom gallery, high dynamic range, HDR, cinematic + 8k --no portrait --v 4 --q 2