If you're seeking a high-performance lens that offers superior image quality and a compact design, look no further than the Sigma 50mm F2 Dg Dn | Contemporary Lens for Sony E. This lens, part of the esteemed Sigma "I series", is the fifth F2 lens in the lineup, complementing the 20mm, 24mm, 35mm, and 65mm lenses. Designed specifically for full-frame mirrorless systems, this Dg Dn lens boasts an all-metal barrel with a stylized ring, an arc-type Af/Mf switch, and a knurled metal lens hood, manual-focus, and aperture ring for a tactile experience. Its F2 maximum aperture delivers pleasing bokeh effects, and its optical design yields results comparable to the 50mm F1.4 Dg Dn | Art lens, but in a more compact and lightweight form (37% shorter length, 48% less in weight). The Sigma 50mm F2 Dg Dn | Contemporary Lens is resistant to flare and backlighting, ensuring clear, high-definition images even in challenging lighting conditions.