Tamron 17-28mm/F2.8 Di III RXD for Sony A046

Tamron 17-28mm F/2.8 Di III RXD (Model A046) – Sony E

Product Specifications
•    Product Type: Large-Aperture Ultra-Wide-Angle Zoom Lens
•    Model: A046
•    Lens Mount: Sony E-Mount
•    Format: Full-Frame Mirrorless
•    Focal Length: 17–28mm
•    Maximum Aperture: Constant f/2.8 throughout the zoom range
•    Minimum Aperture: f/22
•    APS-C Equivalent Focal Length: Approx. 25.5–42mm
•    Developed, Manufactured and Sold under License Based on Sony E-Mount Specifications

Optical Design
•    Lens Construction: 13 Elements in 11 Groups
•    Special Optical Elements: XLD (eXtra Low Dispersion), LD (Low Dispersion), GM (Glass Molded Aspherical) and Hybrid Aspherical Elements
•    BBAR (Broad-Band Anti-Reflection) Coating: Provided
•    Fluorine Coating: Provided
•    Aperture Blades: 9-Blade Circular Diaphragm
•    Circular Diaphragm: Maintains a nearly circular shape up to 2 stops down from maximum aperture
•    Filter Size: 67mm
•    Diagonal Angle of View: 103°41′–75°23′ on Full-Frame

Autofocus & Focusing
•    Focus Drive System: RXD (Rapid eXtra-silent Stepping Drive)
•    Fast Hybrid AF: Supported on Compatible Sony Cameras
•    Eye AF: Supported on Compatible Sony Cameras
•    Direct Manual Focus (DMF): Supported on Compatible Sony Cameras
•    Internal Focusing (IF) System: Provided

Close-Focusing Performance
•    Minimum Object Distance at 17mm: 0.19m / 7.5 in.
•    Minimum Object Distance at 28mm: 0.26m / 10.2 in.
•    Maximum Magnification Ratio at 17mm: 1:5.2
•    Maximum Magnification Ratio at 28mm: 1:6

Image Stabilization
•    Built-In VC (Vibration Compensation): Not Provided
•    Can Utilize In-Body Image Stabilization on Compatible Sony Camera Bodies

Camera Compatibility Features
•    Fast Hybrid AF: Supported
•    Eye AF: Supported
•    Direct Manual Focus (DMF): Supported
•    In-Camera Lens Correction: Supported for Shading, Chromatic Aberration and Distortion on Compatible Cameras
•    Camera-Based Lens Firmware Updates: Supported
•    Availability of Camera Functions Varies Depending on Camera Model

Construction
•    Moisture-Resistant Construction: Provided
•    Fluorine Coating: Provided
•    Internal Focusing Design: Provided
•    Compact and Lightweight Full-Frame Design

Dimensions & Weight
•    Maximum Diameter: 73mm
•    Length: 99mm / 3.9 in.
•    Weight: 420g / 14.8 oz.
•    Filter Diameter: 67mm