Brightin Star 50mm f/2 Tri-Sight Lens - Lens specs

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Aperture Ring

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50mm

Focal length

f/2

Max aperture

459 g

Weight

14mm35mm85mm200mm600mm

▲ 50mm

Max aperture

f/1.4

f/2

f/4

Constant Aperture

Aperturef/2

f/2f/22

Near focus8' 4"

Far focus9' 6"

Total DOF1' 1"

Hyperfocal142' 4"

Subject distance8' 11"

Focal length50 mm

Aperturef/2

SensorFull Frame

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

This preview uses 50mm, f/2, and Full Frame. Subject distance is estimated to keep lens previews comparable.

Min aperture: f/22
Diaphragm blades: 11

Optics

Optical construction: 7 elements in 6 groups

Focusing

Minimum focus: 70 cm

Physical

Weight: 459 g
Dimensions: ⌀68mm × 74mm
Hood included: Yes
Color: Black

Recommended Use

Ideal for: Portraits, Street, Travel, Walkaround / Daily

Release year: 2026
Announced: Feb 25, 2026
Approx price: $409 USD

Summary

The Brightin Star 50mm f/2 Tri-Sight is presented as a purely mechanical and creative tool, ideal for those who enjoy complete control over the shot. With an aperture of f/2 and an 11-blade diaphragm, it offers a smooth transition between the focused planes and the background, generating a very aesthetic and organic circular blur. As a lens designed for full frame sensors, it provides that classic "natural" 50mm perspective that resembles human vision, making it an extremely versatile lens for portraits, street photography and projects where solid central sharpness combined with distinctive optical character is sought. The most innovative aspect for the enthusiast photographer is its Tri-Sight drop-in filter system. Unlike conventional front filters, this system allows special filters to be inserted directly into an internal slot in the lens body to physically modify the bokeh and light structure. You can apply "star" effects to highlights, create a swirl blur similar to legendary vintage lenses, or use a diffuser filter for a soft, ethereal look. This allows you to experiment with artistic aesthetics directly on the sensor, achieving a unique visual signature that would be difficult to replicate naturally through software or post-processing. In practice, this lens can be applied with great success in urban night photography, where the city lights are transformed into narrative elements thanks to the internal filters. For portraiture, using the swirl filter helps focus attention on the subject in a very dynamic way. Additionally, due to its stepless aperture ring and manual focus lever, it is an excellent choice for cinematic video recording, allowing for silent light adjustments and precise focus transitions. It is, in short, a lens to "play" with light and recover the tactile and experimental sensation of analog photography in a modern body.