Extreme close-up centered ocular composition, wide-open human eye, iris as a complex biological-mechanical hybrid, iridescent sapphire and amber pigments blending into crystalline iris fibers, pupil transitioning into a deep cosmic obsidian void, swirling nebulae and distant star-clusters spiraling within the pupil's center, intricate steampunk clockwork mechanisms embedded beneath the ocular surface, microscopic interlocking brass cogs, etched copper plating integrated into the iris architecture, wet reflective cornea with microscopic metallic glints, multi-source lighting rig featuring a central starlight glow emanating from the pupil, sharp golden rim lighting tracing the outer edge of the iris, extreme macro lens, f/2.8 shallow depth of field, focus stacked on the textural transition from wet tissue to polished metal, shot on 65mm IMAX film, Kodak Portra 400 color science, deep obsidian shadows contrasting with vivid saturated amber and electric sapphire, color grade leaning toward cinematic teal and gold, macro texture of organic ocular moisture layered over brushed brass and oxidized copper, surreal psychological undertone of cosmic precision, composition utilizing a perfect circular frame, influence of HR Giger's biomechanical textures and the meticulous clockwork detail of Victorian automata, interdimensional void environment, timeless vacuum setting, high-contrast chiaroscuro, shimmering specular highlights, intricate mechanical anatomy.