Di III (Digitally integrated design): A designation Tamron gives to lenses engineered specifically for mirrorless interchangeable-lens cameras with no internal mirror box or pentaprism, adopting an optical design that matches the characteristics of the digital camera.

* B011 can not be used with digital SLR cameras with a built-in mirror box or with conventional 35mm film SLR cameras.
* B011 is designed exclusively for APS-C format mirrorless interchangeable-lens cameras.