Tamron SP 90mm f/2.8 Di Macro 1:1 VC USD Nikon mount lens review: can this updated lens outperform its legendary predecessor?

Introduction Although lenses like the new VC 24-70mm f/2.8 and 70-200mm f/2.8 have enhanced Tamron’s reputation recently, the 90mm Macro is one of the firm’s most popular and highly rated in their line-up. This new model, introduced in September 2012, is intriguing for the fact that the firm has updated the optical construction and features both stabilization and a fast ultrasonic AF type motor.  As a Di model it’s optical performance is optimized for digital cameras and features the firm’s new eBAND (extended bandwidth and angular dependency) coating to reduce ghosting and flare, but also present