Tamron has released a new firmware update for its 35-150mm F/2-2.8 Di III VXD Sony E-mount lens. Firmware version 5, released 19th February, contains the following benefits: "AF performance during ...

The lowest distortion is -0.31% barrel at 35mm, thereafter pincushion distortion taking over and measuring +3.18% at 70mm, +3.42% at 100mm and +3.35% at 150mm ... as usual for Tamron lenses ...

Tamron claims its 35-150mm F/2-2.8 is ideal for travel but, weighing in at 1.2kg and being quite large, we reckon its better suited to wedding and event photography. The 35-150mm F/2-2.8 Di III ...