Key Features
Ultra-wide to standard zoom range (17-50mm) for versatile shooting
Constant f/4 aperture throughout zoom range
VXD linear motor for fast, accurate, and silent autofocus
Compact and lightweight design (approx. 460g)
Internal zoom mechanism for stable handling and video use
Advanced optical construction with LD and aspherical elements
Minimum focusing distance of 0.19m for close-up shots
67mm filter size compatible with other Tamron lenses
Moisture-resistant construction for outdoor reliability
Compatible with Tamron Lens Utility software