The Schneider Kreuznach 110mm Leaf Shutter Lens provides shallow depth of field and is apt for portrait shots. The Phase One 110mm Leaf Shutter Lens has a longer focal length with enough optical compression for a full length beauty, portraiture, and fashion photography. This medium format lens can synchronize flash to 1/1600th of a second. The optical design facilitates extreme anti-flare. The Schneider Kreuznach 110mm Leaf Shutter Lens has in 6 elements and 5 groups in its optical constructionIt comes with an angle of view of  29 degreesThe aperture range of the Phase One 110mm Leaf Shutter Lens is f/2.8 – f/22It has an automatic diaphragm and has a maximum magnification ratio of 0.16xMinimum Focusing Distance: 90 cmFilter Size: 72mmWeight: 1.5 lbs