Tamron Announces an Ultra-Light 100-400mm f/4.5-6.3 VC Lens
Tamron announced today that it's developing a new Tamron 100-400mm f/4.5-6.3 Di VC USD lens. Weighing it at just 39.3 ounces (~1.11kg), the lens will be the lightest in its class (the ultra-telephoto zoom lens category).