The Voigtländer NOKTON D23mm F1.2 Aspherical Z-mount is a manual focus interchangeable lens designed for Nikon Z-mount mirrorless cameras. This lens offers direct connection to the Nikon Z mount without the need for an adapter, ensuring seamless integration with compatible camera bodies. Its optical system is specifically optimized for the image sensors of Nikon Z-mount mirrorless cameras, promising high-quality image capture.
Function Description:
The lens is primarily a manual focus lens, providing photographers with precise control over focusing. It features electronic contacts on the lens mount, enabling communication between the lens and the camera body. This communication facilitates several key functions:
- Exif Information Storage: The lens allows the camera to store Exif data, including lens name (Voigtländer D23mm F1.2), focal length (23mm), maximum aperture (F1.2), and the aperture value used for each picture. This information is crucial for post-processing and cataloging images.
- In-body Image Stabilization (3 axes): When used with a compatible camera body that supports in-body image stabilization, the lens leverages this feature to reduce camera shake, resulting in sharper images, especially in challenging lighting conditions or when shooting handheld.
- Focusing Support Functions: The lens supports three types of focusing assistance, enhancing the manual focusing experience:
- Color Change of Focus Point Frame: The focus point frame changes color to indicate when focus has been achieved.
- Focus-Peaking: This feature highlights in-focus areas with a specific color, making it easier to visually confirm sharp focus.
- Enlargement Button: The camera's enlargement button can be used to magnify the view, allowing for more precise manual focusing.
These focusing support functions are available when using a communications-compatible camera body with the latest firmware. It's important to note that some functions may be restricted depending on the camera's firmware, so using the latest firmware is recommended.
The lens is compatible with APS-C sensors. When mounted on a full-frame camera body, the image capture range does not automatically switch to APS-C mode; users must manually adjust this setting on the camera.
Important Technical Specifications:
- Product Name: NOKTON D23mm F1.2 Aspherical
- Focal Length: 23mm
- Maximum Aperture: F1.2
- Minimum Aperture: F16
- Lens Construction: 6 groups, 10 elements
- Angle of View: 63.3°
- Aperture Blade: 12 blades
- Minimum Focus: 0.18m
- Macro Ratio: 1:4.9
- Filter Size: Ø46mm
- Maximum Diameter: Approx. Ø65.8mm
- Length: Approx. 45.2mm
- Weight: Approx. 240g
- Lens Hood: Available (Included)
- Aperture Ring: Available (Manual Setting) with 1/3 stop increments
- Electric Contact: Available
- Exif Data: Available
- In-body Image Stabilization: Supported (3-axis, only on camera body with Image Stabilization)
- Supplied Accessory: Front Cap, Rear Cap, Lens Hood
- Mount: Nikon Z mount
- Supported Sensor Size: APS-C
Usage Features:
- All-metal Lens Barrel: The lens features a highly rigid and durable all-metal lens barrel, ensuring longevity and a premium feel.
- Manual Focus: Designed for reliable fine-focusing, offering precise control for photographers who prefer manual operation.
- Aperture Ring: A manual aperture ring allows for direct control over the aperture setting in 1/3 stop increments.
- Lens Hood: A lens hood is included and can be screwed onto the front of the lens to reduce flare and provide protection.
- Filter Attachment: The lens supports Ø46mm filters, which can be screwed onto the front of the lens. The lens hood can then be attached to the filter.
- Mounting/Dismounting: When attaching or detaching the lens, it is crucial to hold the Mount Index Ring (part ⑥) to avoid damaging the lens barrel. Ensure the camera's power is set to "OFF" before performing these operations.
- Vignette Control and Distortion Correction: While camera displays may indicate settings for vignette control and automatic distortion correction, this lens does not support these functions. Any selections made for these settings will not be reflected in the images.
Maintenance Features and Safety Tips:
- Protection from Injury and Damage:
- WARNING: Ignoring warnings and using the equipment incorrectly can lead to serious injuries or even death.
- CAUTION: Ignoring caution signs may result in injuries and damage to the equipment.
- Eye Safety: Never look directly at the sun with a telephoto lens, as this can cause severe eye damage.
- Child Safety: Keep the lens, camera, and accessories out of the reach of children.
- Storage: Store the lens away from direct sunlight. Always store the lens with the lens cap on to prevent damage and to avoid the risk of fire, as the lens can concentrate sunlight.
- Firmware Updates: To ensure full functionality and compatibility, always use the latest firmware for your camera body. Check the Cosina website for the most up-to-date information and details regarding firmware and product compatibility.
The Voigtländer NOKTON D23mm F1.2 Aspherical Z-mount is a robust and high-performance manual focus lens, offering excellent optical quality and a tactile shooting experience for Nikon Z-mount users, particularly those who appreciate precise manual control and the benefits of a fast F1.2 aperture.
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