Features:

• A hand-holdable full-frame 500mm lens that defies conventional wisdom
• Just 8.3” long with a maximum diameter of  93mm. And weighing only 60.8oz.
• MOD is 23.6” at the 150mm end and 70.9” at the 500mm telephoto end with Max. Mag. ratio 1:3.1 at 150mm.
• Moisture-Resistant Construction and Fluorine Coating.
• Only Tamron lenses imported officially by Tamron USA, Inc. and distributed by authorized Tamron USA, Inc. dealers carry a Six-Year Limited USA warranty.