Brightin Star AF 85mm f/1.8 85mm
Its f/1.8 aperture and STM autofocus enable smooth, quiet focus pulls for shallow depth-of-field portraits on full-frame Sony E bodies. Weather sealing, a custom function button, and USB-C firmware updates add practical flexibility rarely found at this price. This lens suits budget-conscious portrait shooters who need a weather-resistant 85mm for available-light work without first-party costs.
Focal length 85mm
Aperture f/16
Mount Nikon Z
Weather Sealed Yes
Weight 821 g
af type STM
lens type prime
46 Overall Score
Price MX$0
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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.
95/100Our AI sentiment read
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 | 85 |
| Focal Length Max | 85 |
| Elements | 10 |
| Groups | 7 |
| ED Elements | 2 |
| Coating | multilayer coating |
Aperture
| Max Aperture | f/16 |
| Min Aperture | f/1.8 |
Build
| Mount | Nikon Z |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 0.8 kg / 1.8 lbs |
AF & Stabilization
| AF Type | STM |
| Stabilization | No |
vs Competition
| Spec | Brightin Star AF 85mm f/1.8 85mm | 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 | 85mm | 28-300mm | 18-50mm | 17-28mm | 12-35mm | 18-135mm |
| Max Aperture | f/16 | f/4 | f/2.8 | f/2.8 | f/2.8 | f/3.5 |
| Mount | Nikon Z | Sony E | Sony E | Nikon Z | Micro Four Thirds | Sony E |
| Stabilization | false | true | false | false | true | true |
| Weather Sealed | true | true | true | true | true | false |
| Weight (g) | 821 | 590 | 290 | 450 | 306 | 326 |
| AF Type | STM | VXD linear motor | stepping motor | Stepping Motor | Autofocus | Linear motor |
| 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 85mm f/1.8 85mm | 86.9 | 28.2 | 21.8 | 14.2 | 61.7 | 40.6 | 98.2 | 33.6 | 98.6 | 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 |
