There are external marks on the lens barrel and focus/zoom rubbers (see sample photos). The zoom and focus rings rotate smoothly.
Tamron 16-300mm Di II VC PZD Macro Lens Canon EF-S Hood Caps 2 UV Filters
Mint Tamron 16-300mm Di PZD VC USD B016 18-300/3.5-6.3 Nikon Dslr Lens US Seller
[NearMINT] Tamron SP AF Di 90mm f/2.8 Macro Lens for PENTAX K Mount Japan #T4335
Tamron Aspherical XR DI 28mm - 300mm Digital SLR Auto Focus Lens F3.5 - 6.3 62
[ MINT in Box ] TAMRON SP AF Di 90mm F2.8 MACRO for Pentax from JAPAN
TAMRON SP AF Di 90mm F/2.8 MACRO 272E Prime Lens Canon EF Tested Working #014
![[NearMINT] Tamron SP AF Di 90mm f/2.8 Macro Lens for PENTAX K Mount Japan #T4335](https://images.buynet.work/thumb.php?i=398406859&s=240)
![[ MINT in Box ] TAMRON SP AF Di 90mm F2.8 MACRO for Pentax from JAPAN](https://images.buynet.work/thumb.php?i=399233988&s=240)
