Choices of lens haven’t been easy for D40/D40s crowds, the body doesn’t has mechanical focus drive motor built-in, it’s depended on internal focus motor on the lens to drive the AF module. The selection is limited to AF-S and AF-I or Sigma HSM choice of lens line-up. Tamron has announced to add the drive motor inside one of their popular line of superzoom lens, 18-250mm. The all around AF18-250mm F/3.5-6.3 Di-II LD Aspherical (IF) Macro got a sweet upgrade with a lens-driven focusing module today. It’s designed exclusively for DSLR with APS-C sided images sensor. It will go on sale in Japan on December 13th and the price is to be announced soon.