see also:
| Samyang XP 14mm f/2.4 | Samyang 14mm f/2.8 IF ED UMC Asph lens | Samyang 14mm T3.1 VDSLR II lens | |
|---|---|---|---|
| price on Amazon.com | $US799 | $US299/359 ($US500 Mark II) | $US399 |
| build | plastic/metal | aluminium alloy | |
| aperture | f/2.4 | f/2.8 | T3.1 |
| diaphragm blades | 9 rounded | 6 straight (9 rounded in Mark II) | 8 rounded |
| stepless, quiet aperture ring | No ring | No (Yes in Mark II) | Yes |
| Cine gearing | No | Yes | |
| close focus | 0.28m | 0.28m | 0.28m |
| MF gearing | slow, more precise than needed (improved in Mark II) | ||
| focus lock | No | No (Yes in Mark II) | No |
| filter thread | None! | None! | None! |
| rear filter slot | None! | None! | None! |
| infrared marker | No | No | No |
| DOF scale | No | No | No |
| electronic contacts | Yes | No/Yes AE version | No |
| optical design | 18 elements in 14 groups, 2ASPH, hybrid, 2ED, 3HR | 14 elements in 12 groups, ASPH, UD, hybrid, 2UD, 3HR | 14 elements in 10 groups, ASP, hybrid ASPH, HR ED |
| coating | UMC | UMC | |
| resolution | sharp, best at f/4-5.6 | sharp centres best at f/5.6 but soft edges improve marginally stopping down | |
| distortion | 3.8% simple barrel | severe, 7% weird barrel centrally, pincushion at edges | |
| vignetting wide open | strong 2.3EV | ||
| lateral CA wide open | minimal | well corrected, better than the Canon 14mm II | |
| coma wide open | low | ||
| weight | 791g | 424g | 620g |
| length | 109.4mm | 94mm | 96.1mm |
| weathersealed | No | No (Yes in Mark II) | No |