Samyang ultra-wide for Nikon with AE electronic coupling, 14mm f/2.8 for astrophotography with auto exposure convenience.
The Samyang 14mm f/2.8 AE ED AS IF UMC is a budget ultra-wide manual-focus prime for the Nikon F mount. AE = auto-exposure electronics (CPU contacts for EXIF and metering — still manual focus). ED = extra-low dispersion. Nikon F mount.
f/2.8 maximum aperture. 14mm focal length (full-frame ultra-wide; ~21mm APS-C equivalent). AE electronic contacts. ED glass. AS (aspherical). IF (internal focus). UMC (ultra multi-coating). At approximately 635g. Nikon F mount.
The Samyang 14mm f/2.8 AE provides EXIF data transfer and in-body metering support via the AE contacts — an improvement over the earlier non-AE version. Used for landscape, astrophotography, and architecture. Manual focus throughout.
On the used market the Samyang 14mm f/2.8 AE is a budget ultra-wide prime. Condition checks: front element (exposed at 14mm, check carefully), manual focus ring. Nikon F mount — manual focus with AE electronics.