Gianfranco Irlanda wrote: > The > Tamron performs really well for a non SMC lens, but shows a > strange kind of reflections, as it sometimes duplicates small, > strong lights on the scene (and it is not predictable in the > finder, so I guess it is a problem of reflections of light > hitting the sensor and then duplicating on the rear element of > the lens - there is an example in the portrait of Stan at > http://www.photo.net/photodb/photo?photo_id=2784631 - look at > the shirt).
Such kind of reflections of small bright lights are usually due to the filter in front of the lens. Dario

