Brightin Star AF 50mm f/1.8 50mm
The all-metal barrel and weather sealing provide a durable, tactile build rare at this price, while the f/1.8 aperture and 10-blade diaphragm create smooth background separation for a 75mm equivalent portrait field of view. Its de-clicked aperture ring enables silent, stepless exposure changes, making it a practical tool for video despite the manual focus design. This lens is best for Fujifilm X-mount photographers who prioritize a compact, 227g portrait prime with a hands-on shooting experience over autofocus speed.
Snapshot
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.
- Q1 2026100/100
All reviews highly praise the lens for image quality, fast autofocus, sharpness, and low-light performance. No negative feedback is present.
- Exceptional image quality and sharpness, even wide open.
- Fast and snappy autofocus, especially with Sony A7R5.
- Excellent low-light performance and stabilization for video.
- Overall highly recommended by all reviewers.
- Q4 2025100/100
Buyers are extremely pleased with the lens's sharpness and confidence-inspiring performance, calling it an amazing, rewarding upgrade.
- Exceptional sharpness once locked on subject.
- Rewarding upgrade from Tamron 35-150.
- Beautiful lens that inspires shooting confidence.
- Fast, hassle-free service from B&H.
Based on 8 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 | 4 |
| ED Elements | 2 |
| Coating | High-Transparency Coating |
Aperture
| Max Aperture | f/16 |
| Min Aperture | f/1.8 |
| Constant | No |
| Diaphragm Blades | 10 |
Build
| Mount | Fujifilm X |
| Format | APS-C |
| Weather Sealed | Yes |
| Weight | 0.2 kg / 0.5 lbs |
| Filter Thread | 43 |
AF & Stabilization
| AF Type | manual focus only |
| Stabilization | No |
Focus
| Min Focus Distance | 380 |
vs Competition
| Spec | Brightin Star AF 50mm f/1.8 50mm | Sony E PZ 16-50mm f/3.5-5.6 OSS | GoPro HB-Series AEWAL-001 | Nikon Nikkor 2166 | Viltrox AF 40mm F2.5 | Altura Photo UM2267 |
|---|---|---|---|---|---|---|
| Focal Length | 50mm | 16-50mm | - | 55-200mm | 40mm | - |
| Max Aperture | f/16 | f/3.5 | f/0 | f/4 | f/2.5 | - |
| Mount | Fujifilm X | Sony E | GoPro HERO Black Mount | Nikon F | Nikon Z | Screw-on lens fits camera lenses with a 49mm front filter thread |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | true | true | true | false | false | false |
| Weight (g) | 227 | 107 | 100 | 335 | 397 | 298 |
| AF Type | manual focus only | Autofocus | - | Silent Wave Motor | STM | STM |
| Lens Type | prime | zoom | wide-angle | telephoto | - | wide-angle |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Brightin Star AF 50mm f/1.8 50mm | 12.6 | 39.5 | 90.6 | 64.3 | 46.3 | 40.3 | 33.6 | 81.1 | 36.9 |
| Sony E PZ 16-50mm f/3.5-5.6 OSS Compare | 53.7 | 74.2 | 98.6 | 43.7 | 69.1 | 76.3 | 83.2 | 81.1 | 93.5 |
| GoPro HB-Series AEWAL-001 Compare | 53.7 | 100 | 98.7 | 14.1 | 46.3 | 100 | 33.6 | 83.2 | 82.6 |
| Nikon Nikkor 2166 Compare | 53.7 | 63.5 | 71.9 | 82.9 | 71 | 65.1 | 85.2 | 85.5 | 93.5 |
| Viltrox AF 40mm F2.5 Compare | 87.7 | 84.7 | 52.6 | 96.1 | 42.2 | 87.8 | 33.6 | 81.1 | 82.6 |
| Altura Photo UM2267 Compare | 87.7 | 63.5 | 76.2 | 95.8 | 46.3 | 65.1 | 33.6 | 72.6 | 82.6 |
