The 105 mm F2.8 EX DG Macro Lens from Sigma allows greater working distance between the lens and subject. Its power layout produces an excellent optical performance and also reduces flare and ghost. The narrow angle of view is a great aid for simplifying backgrounds and shallow depth of field makes it easier to handle the composition. This lens is designed to reduce the influence of harmful light caused by reflections from the digital image sensor. The incorporated a Dual Focus (DF) system makes