Samyang's ultra-wide for Nikon DX — the 10mm f/2.8 for landscape and astrophotography.
The Samyang 10mm f/2.8 ED AS NCS CS for Nikon F is an ultra-wide prime for APS-C providing a 15mm equivalent. The f/2.8 enables astrophotography on DX bodies. NCS coating reduces flare. ED element controls CA. Also sold as Rokinon. A budget ultra-wide for Nikon DX landscape and astro work. Same optical design as ID 4334 in Sony E.
Good optics for the budget positioning. The 15mm equivalent provides dramatic ultra-wide coverage. f/2.8 enables basic astrophotography. NCS coatings reduce flare. ED controls CA. Sharpness respectable in the centre. Manual focus — zone focusing is practical at this wide focal length. Coma acceptable for night sky.
Nikon F mount, APS-C. No front filter — slight bulge. Weight approximately 370 grams. Manual focus only — no electronics. The NCS coating is a meaningful improvement over older Samyang coatings. The same optical design is available across virtually every mount system.
Available at budget prices. Check clean front element. A solid budget ultra-wide for Nikon DX. The f/2.8 enables astro. Same optical design as other mount versions. Better than most budget alternatives. The Tokina 11-16mm f/2.8 offers zoom flexibility with faster speed.