In this review, we will be comparing Pentax D FA 24-70mm F2.8 ED SDM WR and Sigma 24-70mm F2.8 EX DG, two Standard Zoom lenses from Pentax and Sigma. Both cameras have the same focal length and max apertures of 24-70mm focal range and a max aperture of F2.8 so they are very comparable in this regard.
We will start with briefly looking and the main specs of these two lenses and in the section, we will start analyzing in more detail and list the pros and cons of each lenses.