This is for a MINT Tamron 10-24mm f 3.5-4.5 DI ii SP lens (model B001) with both front and rear caps. The lens is in MINT condition and the glass is FLAWLESS. All functionality has been tested and fully functioning. The autofocus works at all focal lengths, and the zoom/focus wheel is very smooth. I offer a 30 day no questions asked return policy. Your lens will be brought to the post office SAME DAY (zero day handling). You will receive the lens in 2 DAYS from purchase.