Tamron 90mm f/2.8 SP Di Autofocus Macro Lens for Sony A-Mount or Minolta Cameras. Excellent Condition!

The Tamron 90mm f/2.8 Di Macro Lens is a popular short-telephoto macro lens - Popular because of its modest size, good image quality, decent AF (autofocus) and reasonable price.
Its small size and light weight make the Tamron 90mm f/2.8 Di Macro Lens a non-burden to take with you. Build quality is decent.
The manual focusing ring is smooth and nicely sized. Like the Sigma 105mm Macro, the Tamron 90 utilizes a focus ring push/pull motion to engage/disengage the AF clutch. Fortunately and unlike with the Sigma, the Tamron does not require an extra switch setting change.

Tamron 90mm f/2.8 Di Macro Lens AF performance is decent. Speed is quite fast and very usable. Accuracy is good even in AI Servo mode.
Sound is an audible buzz. The focus ring does not turn during AF.

Unique is Tamron's use of a dial for the focus limit switch. It is slightly harder to bump the dial to a different setting and it works fine. In the limit position, the Tamron 90 will autofocus between 11.4" and 15.75" (290mm and 400mm) or 17.7" (450mm) and infinity. The in-between distance is marked in white and visible in the focus window. Focus hunting can be dramatically reduced by using this feature. Of course, full range autofocus is available in the full setting.
The Tamron lens comes with a hood included. The maximum magnification is 1:1 or 1.0x.

As most macro lenses are very sharp, so is Tamron 90mm f/2.8 Di Macro Lens is no exclusion from this matter. In fact, it is probably best-known for being sharp. It is sharp wide open and shows a little improvement when stopped down (most notably in the corners). If you are shooting at macro subject distances, you will most likely be using very small apertures to gain all the DOF (Depth of Field) you can get.
Flare is well controlled - much better than many similar macro lenses. Some CA is visible in the corners at f/2.8, but this clears up when stopped down a couple of stops. Distortion is negligible. Vignetting is is minimal even on a full frame body.
With a 9-blade aperture, the Tamron 90 Macro has decent bokeh.
In summary, the Tamron 90mm f/2.8 Di Macro Lens is simply a nice lens. Use it for macro photography, portraits or any other use a reasonably fast 90mm lens has for you.

The last four pictures were taken with this particular lens at the date of posting it here.