NiSi Sunstar 15mm f/4 Sunstar ASPH 15mm
Its 10-blade straight aperture produces crisp 10-point sun stars from specular highlights at any f/stop, paired with a 15mm ultrawide view and optics using one aspherical and two ED elements for high sharpness. Weighing 470g and accepting 72mm filters, it’s portable and filter-friendly for outdoor shooting, with a manual focus design that focuses down to 7.9 inches. This lens suits Fujifilm X-mount landscape and architecture photographers seeking creative sunstar effects without autofocus dependency.
Snapshot
Pros & Cons
Pros
- Strong macro (84th percentile) 84th
- Strong optical (74th percentile) 74th
Cons
- Below average af (13th percentile)
- Below average aperture (20th percentile)
- Below average social proof (25th percentile)
- Below average bokeh (31st percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 3 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Wide-angle |
| Focal Length Min | 15 |
| Focal Length Max | 15 |
| Elements | 12 |
| Groups | 10 |
| Aspherical Elements | 1 |
| ED Elements | 2 |
| Coating | Antireflective & Hard Surface Coatings |
Aperture
| Max Aperture | f/22 |
| Min Aperture | f/4 |
| Constant | Yes |
| Diaphragm Blades | 10 |
Build
| Mount | Sony E |
| Format | full-frame |
| Weather Sealed | No |
| Weight | 0.5 kg / 1.0 lbs |
| Filter Thread | 72 |
AF & Stabilization
| AF Type | manual focus only |
| Stabilization | No |
Focus
| Min Focus Distance | 200 |
| Max Magnification | 1:7.7 |
vs Competition
| Spec | NiSi Sunstar 15mm f/4 Sunstar ASPH 15mm | Tamron Di III VC 28-300mm f/4-7.1 VXD | Sigma Contemporary 18-50mm f/2.8 DC DN | Nikon NIKKOR Z 17-28mm f/2.8 | Panasonic Leica DG Vario-Elmarit H-ES12035 | Sony E 18-135mm f/3.5-5.6 OSS |
|---|---|---|---|---|---|---|
| Focal Length | 15mm | 28-300mm | 18-50mm | 17-28mm | 12-35mm | 18-135mm |
| Max Aperture | f/22 | f/4 | f/2.8 | f/2.8 | f/2.8 | f/3.5 |
| Mount | Sony E | Sony E | Sony E | Nikon Z | Micro Four Thirds | Sony E |
| Stabilization | false | true | false | false | true | true |
| Weather Sealed | false | true | true | true | true | false |
| Weight (g) | 470 | 590 | 290 | 450 | 306 | 326 |
| AF Type | manual focus only | VXD linear motor | stepping motor | Stepping Motor | Autofocus | Linear motor |
| Lens Type | wide-angle | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| NiSi Sunstar 15mm f/4 Sunstar ASPH 15mm | 13.3 | 30.6 | 57.8 | 83.7 | 74.1 | 20.3 | 44.7 | 33.6 | 24.6 | 36.8 |
| Tamron Di III VC 28-300mm f/4-7.1 VXD Compare | 98 | 78.2 | 65.1 | 85.8 | 96.7 | 66.3 | 91.2 | 97.7 | 55 | 82.4 |
| Sigma Contemporary 18-50mm f/2.8 DC DN Compare | 86.9 | 82.1 | 86.1 | 91.7 | 82.2 | 84.2 | 80.9 | 78.6 | 89.6 | 36.8 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 86.9 | 87.3 | 75.2 | 85.8 | 88.2 | 84.2 | 91.2 | 68 | 69.1 | 36.8 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 53.9 | 82.1 | 85.4 | 51 | 86.5 | 84.2 | 63.7 | 80.6 | 85.1 | 96.9 |
| Sony E 18-135mm f/3.5-5.6 OSS Compare | 98 | 75.7 | 72.5 | 40.3 | 78.5 | 77.6 | 44.7 | 95.8 | 89.6 | 82.4 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
