man, head, 40 age, hyperrealistic, cinematic, octane render, 3D, Super Detailed, Anti-Aliasing, FKAA, TXAA, RTX, SSAO, Post-Processing, Post-Production, Tone Mapping, CGI, VFX, SFX, Full Color, Volumetric lightning, HDR, Realistic, 8k, portrait photography 
man, head, 40 age, hyperrealistic, cinematic, octane render, 3D, Super Detailed, Anti-Aliasing, FKAA, TXAA, RTX, SSAO, Post-Processing, Post-Production, Tone Mapping, CGI, VFX, SFX, Full Color, Volumetric lightning, HDR, Realistic, 8k, portrait photography --v 4 --q 2 --ar 3:2 --c 100
man
head, 40 age, hyperrealistic, cinematic, octane render, 3D, Super Detailed, Anti-Aliasing, FKAA, TXAA, RTX, SSAO, Post-Processing, Post-Production, Tone Mapping, CGI, VFX, SFX, Full Color, Volumetric lightning, HDR, Realistic, 8k, portrait photography
a close up of a bald man with blue eyes
a close up of a man with a beard
a man with a white beard and gray hair
a close up of an older man with a white beard