The Sigma 28-70mm F2.8 DG DN is small, but how does it perform optically? Chris has the answers. Meanwhile, Jordan begins his stint filming episodes with the Pentax K-01. Let the fun begin.

Subscribe to our YouTube channel to get new episodes of DPReview TV every week.

• Introduction
• Size and weight
• Sample photos
• Build quality
• Flare and ghosting
• Sunstars
• Autofocus
• Focus breathing
• Bokeh
• Chromatic aberrations
• Distortion
• Sharpness
• Who’s it for?

Sample photos from this episode