Experience the extreme creative possibilities of an F1 maximum aperture on your trip to Japan with the NOKTON 50mm F1 Aspherical lens. This manual focus prime lens for Sony E-mount cameras offers the highest level of light gathering and an extremely shallow depth of field, perfect for capturing breathtakingly beautiful and unique images.
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Contact Jasumo Now →Known for its superb optical quality, including a high-precision GA (ground aspherical) element, this lens is a lightweight (590g) option for photographers prioritizing maximum bokeh, distinct subject separation, and a classic, tactile shooting experience.
The NOKTON 50mm F1 Aspherical is a specialized tool for photographers visiting Japan who seek to create stunning, highly cinematic imagery. Its massive F1 aperture allows for shooting in incredibly dim environments—such as quiet temples, neon-lit alleys, or atmospheric interiors—while achieving a striking separation between the subject and background.
The lens features a robust, all-metal construction and is designed for a traditional manual focus experience. Its 12-blade aperture creates beautifully rendered out-of-focus areas, providing the signature NOKTON look. The optical formula of 7 groups and 9 elements, including the crucial GA lens, ensures high resolution even wide open.
Although manual focus, the lens is equipped with electronic contacts that communicate EXIF data and allow for the use of in-camera features like 5-axis image stabilization and focus aids (magnification/peaking). A unique feature is the aperture click switching mechanism, which allows the aperture ring to be de-clicked for smooth, silent iris adjustments during video recording.
| Feature | Specification |
| Focal length | 50mm |
| Maximum aperture ratio | 1:1 (F1) |
| Minimum aperture | F16 |
| Lens construction (groups/elements) | 7 groups 9 elements |
| Minimum focusing distance (m) | 0.45 |
| Filter Size | 67mm |
| Weight (g) | 590 |
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The F1 aperture allows the maximum amount of light to hit the sensor, meaning you can shoot in extremely low light conditions (like dimly lit traditional Japanese pubs or temples) without needing a flash or pushing your camera to very high, noisy ISO settings. It also creates unparalleled background separation.
While it requires more attention than autofocus, modern Sony cameras offer excellent focus aids like peaking (which highlights sharp areas) and magnification. Shooting manually encourages a slower, more deliberate pace, often leading to more thoughtfully composed and artistically compelling images.
This mechanism allows you to instantly “de-click” the aperture ring. When de-clicked, the aperture changes smoothly and silently, without the customary mechanical “clicks.” This is essential for videographers who need to adjust exposure seamlessly during a video take without capturing sound or visual jerks.
The high number of aperture blades (12) ensures that the aperture opening remains nearly perfectly circular, even when stopped down a bit. This results in exquisitely smooth, round highlights (bokeh balls) and a generally creamier, more pleasing rendering of the out-of-focus areas.
Yes. Despite being manual focus, the lens is equipped with electronic contacts. This allows it to transmit EXIF data (aperture, focal length) to the camera and enables critical functions like the use of the camera’s built-in 5-axis image stabilization and focus assist tools.
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