Live-view Making fine focus adjustments using live view is more precise than doing it with a viewfinder.
Large APS-C (23.5 x 15.6 mm) sensor Large sensor in Sigma Quattro ensures a good low light image quality compared to smaller sensors, and it also provides higher pixel quality compared to smaller sensors.
Very High Resolution Sensor: 29.0MP Sigma Quattro's 29.0MP sensor is perfect for landscape photography. It will capture a lot of fine details and let you print them larger.
Environmental Sealings Landscape photographs are taken outdoors and you should be prepared for all kind of weather conditions.