Tamron SP AF 24-135mm F/3.5-5.6 AL AD [IF] (190D)
| Weight | 530 g |
| Length | 80.6 mm |
| Filter-ΓΈ | 72 mm |
| Min. Focus | 40 cm |
| Max. Magnification | 0.3x |
| Max. Aperture | F/3.5 at 24mm, F/5.6 at 135mm |
| Min. Aperture | F/22 |
| Optical Construction | 14 elements, 10 groups, 7 blades |
| PentaxForums: | 8.58 from 10 (12 reviews) - Sharpness 7.6, Aberrations 7.8, Bokeh 7.8, Handling 8.2, Value 9.2 |