Tamron 17-50mm f/4 Di III VXD Lens
Comprehensive user guide for the Tamron 17-50mm f/4 Di III VXD lens, covering installation, operation, maintenance, and safety precautions for Sony E-mount cameras.
Table of contents
Product Overview
The Tamron 17-50mm f/4 Di III VXD is a high-performance lens designed for Sony E-mount cameras. It features a versatile zoom range, internal focusing system, and a dedicated connection port for firmware updates and customization via the Tamron Lens Utility software.

Technical Specifications
- Model: A068
- Focal Length: 17-50 mm
- Maximum Aperture: F/4
- Optical Construction: 13/15
- Minimum Object Distance: 0.19m (wide) / 0.3m (tele)
- Filter Size: 67 mm
- Weight: 460g
Installation and Operation
To attach the lens, align the lens mount mark with the camera mount and rotate clockwise until it locks. Always power off the camera before attaching or removing the lens. Use the zoom ring to adjust the focal length and the focus ring for manual focusing. The focus set button can be customized using the Tamron Lens Utility application connected via the lens's USB Type-C port.
Lens Hood
The included lens hood helps eliminate stray light that may negatively affect image quality. Align the hood attachment mark with the lens release mark and rotate until locked. Ensure the hood is properly attached to avoid vignetting.
Safety and Maintenance
Always handle the lens with care. Avoid touching the electrical contacts to prevent malfunctions. If the lens gets dirty, clean it with a dry cloth; do not use organic solvents like benzene or thinners. Store in a clean, well-ventilated area. Never look directly at the sun through the lens, as this can cause permanent eye damage or fire. In case of sudden temperature changes, condensation may occur; allow the lens to acclimate to room temperature before use.
Disposal
This product should not be treated as household waste. Please dispose of it at a designated collection point for electrical and electronic equipment recycling in accordance with local regulations.
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Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.