The Af 35/1.8 Evo and Af 55/1.8 Evo lenses deliver fast, quiet Stm autofocus with precision optical design. Featuring F1.8 large apertures, advanced multi-element construction, and Hd Nano coatings, they ensure sharp, vibrant images even in challenging light. Built with durable aluminum alloy bayonets and water-resistant protection, these lenses offer reliable performance and smooth focusing for professional photography and filmmaking..