CameraReview
CompareCamerasLensesAction CamerasGuides
Brightin Star AF 50mm f/1.4
—
UNSCORED
Brightin Star · f/1.4 · Sony E mount

Brightin Star AF 50mm f/1.4

Where to buy — 2 offers
Mount
KEY FACTS
BrandBrightin Star
Release Year2023
Production StatusIn Production
Lens MountSony E
SystemSony E
What We Like
+Excellent bokeh and color rendering in real-world use
+Sharp, fast autofocus with reliable eye-tracking for video
+Substantial metal build quality at competitive $249 price point
+Minimal focus breathing for videography performance
+Bright f/1.4 aperture enabling strong background blur and low-light performance
Worth Knowing
−No physical aperture ring despite textured design suggesting one
−Significant vignetting at maximum f/1.4 aperture, improves at f/2.8 and f/4
−Occasional autofocus focus errors despite confirmed focus indication
−Average autofocus performance compared to native options

General

Brand
Brightin Star
Release Year
2023
Production Status
ⓘ
Current status of lens manufacturing (e.g., in production, discontinued).
In Production
Lens Mount
ⓘ
The lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras.
Sony E
System
ⓘ
Indicates which camera system the lens is designed to attach to.
Sony E
Read our notes on general
Brightin Star's first autofocus lens offers strong optics and build quality in an affordable APS-C package. The 50mm f/1.4 delivers excellent bokeh, reliable eye-tracking autofocus, and low-light performance, making it appealing for portraiture and video on mirrorless systems. However, the lack of a physical aperture ring, vignetting at f/1.4, and occasional focus inconsistencies limit its standing against established alternatives.

Physical

Lens Weight
449 g
Lens Length
ⓘ
How long the lens is from front to back.
78.8 mm
Front Filter Size
ⓘ
Diameter of attachable filters.
58 mm

Optics

Focal Range
ⓘ
Shortest to longest focal length of the lens (zoom range start - end )
50 mm
Aperture Range
ⓘ
Largest aperture at the lens's shortest focal length to longest focal length (aperture range start - end)
1.4
Blades
ⓘ
Number of diaphragm blades in aperture
9020
Zoom Lens
ⓘ
Zoom allows you to vary the focal length, change between long shots and close-ups
No
Closest Focusing Distance
ⓘ
Minimum distance for a subject to be in focus.
50 cm01500