Brightin Star 12mm f/2 III 12mm
The 12mm f/2 prime on Nikon Z APS-C bodies delivers an ultra-wide field of view with a 10-blade aperture that creates sharp 10-point star bursts. Its 12-element, 9-group optical design includes 2 aspherical and 2 ED elements for high-definition images, all in a compact 350g body. Best for landscape and architecture shooters who prioritize manual focus control and wide-angle coverage over autofocus speed.
No current retailer price
Snapshot
The 30-Second Version
The Brightin Star 12mm F2 III is a manual focus ultra-wide prime that delivers f/2 brightness and top-tier macro performance for under USD 160. It's a niche lens for Nikon Z APS-C shooters who don't need AF. For landscapes and astro on a budget, it's hard to beat.
Pros & Cons
Pros
- Ultra-wide 12mm field of view for dramatic landscapes and interiors 93rd
- Bright f/2 aperture is excellent for astro and low light 84th
- 10-blade diaphragm produces clean, sharp sunstars 81st
- Lightweight at 350g and takes standard 62mm filters 77th
Cons
- Manual focus only, no AF at all
- No weather sealing, so keep it dry
- APS-C coverage only, full-frame shooters will see vignetting
- Min aperture is f/2, which is a typo in the specs but suggests limited stopping down
What owners think
The Word on the Street
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 five reviews are highly positive, praising the lens for its sharpness, fast autofocus, and low-light performance, especially for video.
- Sharp image quality wide open and overall.
- Fast and snappy autofocus, especially with A7R5.
- Excellent for video, with steady zoom and beautiful results.
- Great low-light performance as a f2.8 zoom.
- Q4 2025100/100
Buyers in Q4 2025 praised the lens for its sharpness, performance, and fast delivery, expressing high satisfaction.
- Lens is exceptionally sharp and delivers high image quality.
- Upgrade from Tamron 35-150 to Sony 70-200mm GM II is rewarding.
- Lens inspires confidence for shooting.
- Fast and hassle-free service from B&H.
Based on 8 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
The optical layout is solid for this class: 12 elements in 9 groups, with 2 aspherical and 2 ED elements. That's more glass than you'd expect at this price. Our database puts macro performance at the absolute top of the charts, which is a bit odd for a 12mm lens but speaks to the close focusing ability. Bokeh lands in the 95th percentile, helped by the 10-blade diaphragm. The f/2 aperture is a standout too, sitting in the 92nd percentile. Stabilization is built in, which is rare for a manual prime this cheap. The weak spot is autofocus, obviously, since there isn't any. Versatility also takes a hit at the 33rd percentile, which makes sense for a fixed 12mm prime.
Specifications
Full Specifications
Optics
| Type | Prime |
| Focal Length Min | 12 |
| Focal Length Max | 12 |
| Elements | 12 |
| Groups | 9 |
| Aspherical Elements | 2 |
| ED Elements | 2 |
Aperture
| Max Aperture | f/22 |
| Min Aperture | f/2 |
| Constant | No |
| Diaphragm Blades | 10 |
Build
| Mount | Sony E |
| Format | APS-C |
| Weather Sealed | No |
| Weight | 0.3 kg / 0.6 lbs |
| Filter Thread | 62 |
AF & Stabilization
| AF Type | Manual Focus |
| Stabilization | No |
Focus
| Min Focus Distance | 180 |
vs Competition
Against the Tamron 28-300mm, you're trading zoom flexibility for a much wider and faster prime. The Viltrox 85mm f/1.8 is sharper for portraits but can't touch the 12mm field of view. The Yongnuo 50mm f/1.8 is cheaper but boring by comparison. The Sony 16-50mm PZ is a kit zoom with AF, but it's slow and not nearly as wide. The Nikon 2178 is a different beast entirely. If you want a dedicated ultra-wide for Nikon Z APS-C, none of these competitors offer what this lens does at this price.
| Spec | Brightin Star 12mm f/2 III 12mm | Tamron Di III VC 28-300mm f/4-7.1 VXD | Panasonic Leica DG Vario-Elmarit H-ES12035 | Sigma Art 17-40mm f/1.8 DC | Nikon NIKKOR 20059 | Sony E 18-135mm f/3.5-5.6 OSS |
|---|---|---|---|---|---|---|
| Focal Length | 12mm | 28-300mm | 12-35mm | 17-40mm | 18-55mm | 18-135mm |
| Max Aperture | f/22 | f/4 | f/2.8 | f/1.8 | f/3.5 | f/3.5 |
| Mount | Sony E | Sony E | Micro Four Thirds | Fujifilm X | Nikon F | Sony E |
| Stabilization | false | true | true | false | true | true |
| Weather Sealed | false | true | true | true | false | false |
| Weight (g) | 268 | 590 | 306 | 535 | 205 | 326 |
| AF Type | Manual Focus | VXD linear motor | Autofocus | HLA (High-response Linear Actuator) | pulse stepping motor | 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 12mm f/2 III 12mm | 14.7 | 34.6 | 77 | 84.2 | 68.4 | 22 | 92.6 | 33.1 | 81 | 34.3 |
| Tamron Di III VC 28-300mm f/4-7.1 VXD Compare | 97.7 | 83.7 | 62.8 | 83.3 | 96.2 | 71 | 92.6 | 97.9 | 50.1 | 79.3 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 53.8 | 86.7 | 83.7 | 48.9 | 86 | 88.4 | 92.6 | 80.4 | 86.1 | 96.4 |
| Sigma Art 17-40mm f/1.8 DC Compare | 53.8 | 97 | 67.1 | 72.4 | 96.6 | 95.4 | 98.5 | 75.7 | 94.1 | 34.3 |
| Nikon NIKKOR 20059 Compare | 84.6 | 81.5 | 83.5 | 95.4 | 54.5 | 82.9 | 66.3 | 82.8 | 81 | 92.3 |
| Sony E 18-135mm f/3.5-5.6 OSS Compare | 97.7 | 81.5 | 70.8 | 37.4 | 77.7 | 82.9 | 49 | 95.8 | 90.8 | 79.3 |
Price
Value & Pricing
Pricing is all over the place depending on where you shop. In the US, you'll see it listed between USD 144 and USD 160 across 8 listings. Amazon has the best deal at the low end of that range. Canadian buyers face a much wider spread, from CAD 199 to CAD 299, so shop around before you commit. For a 12mm f/2 with this optical design, even the higher end of that range is reasonable. The lower end is a steal.
Read more
Overview
The Brightin Star 12mm F2 III is a manual focus ultra-wide prime for Nikon Z APS-C bodies. It's tiny, cheap, and surprisingly capable for the money. You get a 12mm focal length with an f/2 aperture, which is a combo that usually costs way more.
This is not a lens for everyone. Manual focus only, no weather sealing, and APS-C coverage means full-frame Z shooters will see heavy vignetting. But for landscape, architecture, and astro on a budget, it punches way above its price.
Common Questions
Q: Does this lens work on full-frame Nikon Z cameras?
It's designed for APS-C coverage, so you'll get heavy vignetting on full-frame bodies like the Z6II or Z7II. Stick with APS-C bodies like the Z50 or Z30 for the best results.
Q: Is the manual focus mechanical or focus-by-wire?
This lens uses a mechanical manual focus system, not focus-by-wire. That means you get direct, tactile control without any electronic lag.
Q: Can I use this for astrophotography?
Yes, the f/2 aperture and 12mm focal length make it a solid choice for night sky shots. The 10-blade diaphragm also produces clean sunstars on bright light sources.
Who Should Skip This
Skip this if you need autofocus for fast-moving subjects or video work. Also skip it if you shoot on a full-frame Z body, since the APS-C coverage will leave you with dark corners. If you need weather sealing for outdoor work in rough conditions, look elsewhere because this lens has none.
Verdict
Buy this if you shoot landscapes, architecture, interiors, or astro on a Nikon Z APS-C body and don't mind focusing manually. The f/2 aperture and 12mm focal length are a killer combo for night sky work. Skip it if you need autofocus, weather sealing, or full-frame coverage.
