The Rokinon 12mm f/2.0 NCS CS is a manual focus wide-angle prime lens designed for Sony E-mount APS-C mirrorless cameras, pairing an ultra-wide field of view with a notably fast f/2.0 maximum aperture that makes it a standout option for astrophotography, landscape, and interior photography. Its combination of speed and wide-angle coverage has made it a popular budget-friendly alternative to more expensive first-party wide-angle optics.
The 12mm focal length delivers a dramatic wide-angle perspective well-suited to capturing expansive landscapes, architecture, and interior spaces, while the fast f/2.0 aperture makes it especially capable for low-light and night sky photography, where gathering as much light as possible is essential for capturing sharp, well-exposed images of stars and the Milky Way. This combination of speed and coverage has made it a favorite among astrophotography enthusiasts working with APS-C Sony bodies.
The lens’s NCS (Nano Crystal Coating) designation refers to Rokinon’s advanced anti-reflective coating technology, which helps reduce flare, ghosting, and chromatic aberration, contributing to cleaner, higher-contrast images even when shooting toward bright light sources such as the moon or streetlights at night. Its optical design also incorporates aspherical and extra-low dispersion elements aimed at controlling distortion and maintaining sharpness across the frame, important considerations for a lens used heavily in landscape and astro work where edge-to-edge quality matters.
As a fully manual focus lens, the CS (Compact System) designation reflects its purpose-built design for compact mirrorless systems, offering a lightweight, portable form factor well-suited to travel and outdoor photography. Its manual aperture ring and focus ring provide direct, tactile control, appealing to photographers who prefer deliberate manual operation for wide-angle and night sky photography over relying on autofocus.
Specs:
– Focal length: 12mm
– Maximum aperture: f/2.0
– Lens mount: Sony E (APS-C)
– Coating: NCS (Nano Crystal Coating)
– Focus type: Manual focus
– Lens category: Compact System (CS) wide-angle prime

Price Guarantee
Rent Now