Brightin Star MF 50mm F1.05 Full-Frame 50mm
The ultra-bright f/1.05 maximum aperture and 15-blade diaphragm deliver exceptionally shallow depth of field and smooth bokeh for subject isolation. Its all-metal barrel construction provides a robust, tactile feel that complements the deliberate manual focus design. This lens is best for portrait and street photographers who prioritize creative depth-of-field control and a hands-on shooting experience over autofocus speed.
Focal length 50mm
Aperture f/50
Mount L-Mount
stabilization Yes
Weight 606 g
af type manual focus only
lens type prime
44 Overall Score
Price MX$5,777
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.
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 | 10 |
| Groups | 8 |
| ED Elements | 2 |
| Coating | Multi-Layer Coating |
Aperture
| Max Aperture | f/50 |
| Min Aperture | f/1.05 |
| Constant | Yes |
| Diaphragm Blades | 15 |
Build
| Mount | L-Mount |
| Format | full-frame |
| Weight | 0.6 kg / 1.3 lbs |
| Filter Thread | 58 |
AF & Stabilization
| AF Type | manual focus only |
| Stabilization | Yes |
Focus
| Min Focus Distance | 50 |
| Max Magnification | 1:8 |
vs Competition
| Spec | Brightin Star MF 50mm F1.05 Full-Frame 50mm | Sigma Contemporary 18-50mm f/2.8 DC DN | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Sony E PZ 16-50mm f/3.5-5.6 OSS | Canon RF 28-70mm f/2.8 IS STM | Viltrox Air AF 14mm F4.0 Air |
|---|---|---|---|---|---|---|
| Focal Length | 50mm | 18-50mm | 17-70mm | 16-50mm | 28-70mm | 14mm |
| Max Aperture | f/50 | f/2.8 | f/2.8 | f/3.5 | f/22 | f/4 |
| Mount | L-Mount | Sony E | Sony E | Sony E | Canon RF | Nikon Z |
| Stabilization | true | false | true | true | true | true |
| Weather Sealed | false | true | true | true | true | true |
| Weight (g) | 606 | 290 | 544 | 107 | 495 | 185 |
| AF Type | manual focus only | stepping motor | RXD | Autofocus | STM | STM |
| Lens Type | prime | zoom | zoom | zoom | zoom | wide-angle |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Brightin Star MF 50mm F1.05 Full-Frame 50mm | 12.7 | 8.5 | 47.7 | 95.6 | 63.8 | 1.7 | 33.6 | 64 | 82.4 |
| Sigma Contemporary 18-50mm f/2.8 DC DN Compare | 87.6 | 80.4 | 86.5 | 90.8 | 82.5 | 82.8 | 78.5 | 90.1 | 36.7 |
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD Compare | 53.7 | 85.7 | 69.8 | 84.9 | 91 | 82.8 | 89.4 | 86 | 82.4 |
| Sony E PZ 16-50mm f/3.5-5.6 OSS Compare | 53.7 | 73.7 | 98.6 | 43.2 | 69 | 75.9 | 83.1 | 82 | 93.5 |
| Canon RF 28-70mm f/2.8 IS STM Compare | 87.6 | 23 | 72.9 | 78.9 | 86.7 | 20.1 | 77.3 | 90.1 | 98.6 |
| Viltrox Air AF 14mm F4.0 Air Compare | 87.6 | 62.9 | 94.7 | 54.2 | 84.6 | 64.6 | 33.6 | 82 | 82.4 |
Price
Value & Pricing
From MX$5,777
