Highlighted rows differ between the two models.
| Specification | Nikon Ai Nikkor 135mm f/2.8 | Samyang 14mm f/2.8 ED AS IF UMC - Monture Nikon |
|---|---|---|
| Mount | ||
| Mount | nikon-f | nikon-f |
| Optics | ||
| Focal (difference) | 135 mm | 14 mm |
| Aperture | f/2.8 | f/2.8 |
| Prime | Yes | Yes |
| Stabilization | No | No |
Pick Model A if you need a telephoto reach for portraits or distant subjects and can work with its narrower field of view. Choose Model B if you prioritize ultra-wide-angle coverage for landscapes, architecture, or tight spaces, where its 14mm focal length is more versatile. Both share the same aperture and near-identical price, so the decision hinges solely on your framing needs. Neither holds an advantage in cost or light-gathering capability.