Brightin Star AF 50mm f/1.4 50mm
Combining a bright F1.4 aperture with a 12-element optical design (including two ED elements) and STM autofocus, this lens captures sharp portraits with strong subject separation and minimal glare. Its all-metal build, USB-C firmware updates, and reliable eye/face detection add long-term value for low-light shooting and detailed macro-style close-ups. It's best for Fujifilm X-mount portrait photographers needing fast, silent autofocus and creamy background blur in an affordable prime.
Snapshot
Pros & Cons
Pros
- Strong social proof (85th percentile) 85th
Cons
- Below average af (13th percentile)
- Below average versatility (33rd 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 21 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Prime |
| Focal Length Min | 50 |
| Focal Length Max | 50 |
| Elements | 6 |
| Groups | 5 |
| ED Elements | 1 |
| Coating | High-Transparency Coating |
Aperture
| Max Aperture | f/16 |
| Min Aperture | f/1.4 |
| Constant | No |
| Diaphragm Blades | 9 |
Build
| Mount | Sony E |
| Format | APS-C |
| Weather Sealed | No |
| Weight | 0.6 kg / 1.2 lbs |
| Filter Thread | 52 |
AF & Stabilization
| AF Type | manual focus only |
| Stabilization | No |
Focus
| Min Focus Distance | 420 |
vs Competition
| Spec | Brightin Star AF 50mm f/1.4 50mm | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Nikon NIKKOR Z 17-28mm f/2.8 | Sigma Contemporary 16-28mm f/2.8 DG DN | Panasonic Leica DG Vario-Elmarit H-ES12060 | Sony G SELP28135G.SYX |
|---|---|---|---|---|---|---|
| Focal Length | 50mm | 17-70mm | 17-28mm | 16-28mm | 12-60mm | 28-135mm |
| Max Aperture | f/16 | f/2.8 | f/2.8 | f/2.8 | f/2.8 | f/4 |
| Mount | Sony E | Fujifilm X | Nikon Z | Sony E | Micro Four Thirds | Sony E |
| Stabilization | false | true | false | false | true | true |
| Weather Sealed | false | true | true | true | true | true |
| Weight (g) | 560 | 544 | 450 | 450 | 320 | 420 |
| AF Type | manual focus only | RXD | Stepping Motor | Stepping AF Motor | linear motor | SSM |
| Lens Type | prime | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Brightin Star AF 50mm f/1.4 50mm | 12.8 | 38 | 50.8 | 61.5 | 41.3 | 42.2 | 63.5 | 33.3 | 85.1 | 37.8 |
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD Compare | 53.7 | 87.4 | 69.6 | 85.9 | 91 | 84.6 | 63.5 | 89.3 | 85.1 | 83.4 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 87.4 | 87.4 | 75.9 | 85.9 | 88 | 84.6 | 90.8 | 67.3 | 68.8 | 37.8 |
| Sigma Contemporary 16-28mm f/2.8 DG DN Compare | 87.4 | 87.4 | 75.9 | 77.8 | 97.2 | 84.6 | 75.8 | 68 | 62.7 | 37.8 |
| Panasonic Leica DG Vario-Elmarit H-ES12060 Compare | 98.1 | 87.4 | 84.6 | 51.9 | 91 | 84.6 | 44.3 | 93.1 | 67.8 | 83.4 |
| Sony G SELP28135G.SYX Compare | 94.4 | 78.4 | 77.7 | 34.1 | 88 | 67.1 | 63.5 | 92.4 | 55.7 | 93.4 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
