Brightin Star 12mm f/2.8 - Lens review and specs

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12mm

Focal length

f/2.8

Max aperture

550 g

Weight

14mm35mm85mm200mm600mm

▲ 12mm

Max aperture

f/1.8

f/2.8

f/5.6

Constant Aperture

Zoom Ratio: 1x

Aperturef/2.8

f/2.8f/16

Near focus1' 7"

Far focus3' 4"

Total DOF1' 9"

Hyperfocal5' 11"

Subject distance2' 2"

Focal length12 mm

Aperturef/2.8

SensorFull Frame

Illustrative scene preview based on this lens's focal length, aperture, and sensor coverage.

This preview uses 12mm, f/2.8, and Full Frame. Subject distance is estimated to keep lens previews comparable.

Min aperture: f/16
Diaphragm blades: 5

Optics

Optical construction: 15 elements in 11 groups
Special elements: 2 ASPH aspherical lenses, 2 high-refractive index lenses, 2 ED lenses

Focusing

Minimum focus: 30 cm
Max magnification: 0.15×
AF motor: STM

Physical

Weight: 550 g
Dimensions: ⌀70mm × 97mm
Color: Black

Recommended Use

Ideal for: Architecture, astro, Landscapes, Street, Travel

Approx price: $425 USD

The best

Ultra-Extreme Rectilinear Perspective: Offers one of the widest fields of view on the market for Full Frame sensors without incurring fisheye distortion, ideal for architecture and vast landscapes.

Also

Optimized for Video and Photo: The STM motor ensures smooth focus tracking for video, while its optical design with HOYA elements guarantees sharpness and aberration control in high-resolution photography.

Summary

He Brightin Star 12mm f/2.8 AF It is positioned as one of the most extreme and ambitious options for Full Frame camera users looking for a rectilinear ultra-wide angle with autofocus. With a 122.5° viewing angle, this lens manages to capture immense scenes without the circular distortion of a fisheye, maintaining straight lines thanks to a complex optical design of 15 elements. Its aluminum alloy construction and a contained weight of 499g make it a balanced tool for modern Sony, Nikon, Canon and L-mount bodies.

The inclusion of a stepper motor (STM) marks a milestone for the brand, offering a fast and, above all, silent approach, making it a very attractive option for content creators who alternate between photography and video. The 5-blade diaphragm design is a deliberate aesthetic choice: it allows you to generate very sharp 10-point sunstars, a highly valued effect in night and urban photography that is often difficult to achieve with lenses that have more rounded diaphragm blades.

Regarding its applications, this 12mm is ideal for architecture and interior photography, where space is usually limited and the field of vision must be maximized. It also stands out in landscape astrophotography, allowing large areas of the Milky Way to be captured with a reasonably bright f/2.8 aperture. Finally, its minimum focusing distance of 30cm, combined with its wide angle, allows you to take shots of action or nature with exaggerated and dynamic perspectives, offering a visual look very different from that of conventional angular lenses.

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Where to buy

Amazon USAView offers B&H PhotoView product

Some links may be affiliate links (sponsored).

Brightin Star 12mm f/2.8 Comparisons

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Pros & Cons

Pros

122.5° ultra-wide viewing angle with rectilinear correction (Zero-Distortion).
Quiet and precise STM focusing motor, compatible with Eye-AF.
Robust but lightweight metal construction (less than 500g).
Very defined sunstars thanks to its 5-leaf diaphragm.
Excellent value for money for an AF lens with these characteristics.

Cons

The bulbous front element prevents the use of conventional screw-on filters (requires 34mm rear filters).
The minimum focusing distance of 30cm is slightly longer than the previous manual version.
No optical image stabilization (depends on camera IBIS).