Samyang's fast manual wide-angle for APS-C — the 16mm f/2 for landscape and astrophotography.
The Samyang 16mm f/2 ED AS UMC CS is a fast ultra-wide APS-C prime from Samyang — manual focus with ED, AS, and UMC elements for Canon EF cameras. Canon EF mount.
16mm focal length (24mm equivalent on APS-C). f/2 maximum aperture. ED, AS, UMC elements. CS = APS-C. Manual focus. Canon EF mount.
The Samyang 16mm f/2 ED AS UMC CS provides a fast ultra-wide at an affordable price for Canon APS-C — f/2 enables strong low-light and subject separation at the wide angle. ED (Extra-low Dispersion), AS (Aspherical), and UMC (multicoating) elements improve optical performance. Manual focus only.
On the used market the Samyang 16mm f/2 CS is an affordable fast APS-C ultra-wide. Condition checks: f/2 elements, manual focus. Canon EF mount.