Samyang 12mm f/2.0 for Canon EF-M, the most popular APS-C astrophotography lens at budget pricing.
The Samyang 12mm f/2.0 NCS CS is a fast ultra-wide prime for EF-M mount cameras — popular for landscape and astrophotography. Canon EF-M mount.
12mm focal length (18mm equivalent on APS-C EF-M). f/2.0 maximum aperture. NCS (Nano Crystal System) coating. CS = Crop Sensor design. Manual focus. Canon EF-M mount.
The Samyang 12mm f/2.0 is one of the most popular third-party primes for APS-C mirrorless systems. f/2.0 at 12mm provides useful astro capability and wide-open sharpness for landscapes. Manual focus only. NCS coating reduces flare. Available for multiple APS-C mounts.
On the used market the Samyang 12mm f/2.0 EF-M is a capable ultra-wide. Condition checks: NCS coating, f/2.0 element quality, manual focus smoothness. Canon EF-M mount.