The Panasonic H-H020 large-diameter F1.7/20mm fixed focus lens produces bright photos with a dramatic soft focus even in dimly lit locations. Comprising of seven lenses in 5 groups, the new lens system uses two aspherical lenses most effectively to minimize both distortion and chromatic aberrations, achieving super high resolution corner to corner. The versatile 20mm of focal distance (Equivalent to 40mm on a 35mm film camera) is suitable for wide variety of occasions from daily snapshots including sceneries like sunsets and dimly lit indoor shots to the deliberately creative shots taking advantage of its beautiful soft focus. When mounted on the LUMIX G Micro System Cameras, the LUMIX G 20mm / F1.7 ASPH. allows use of the advanced contrast AF system, which includes a Face Recognition function, for more convenient, more enjoyable shooting. Seven blades give the aperture a rounded shape that produces an attractively smooth effect in out-of-focus areas when shooting at larger aperture settings. The new LUMIX G 20mm / F1.7 ASPH. lens also features a highly reliable metal mount, and uses multi-coated lens elements that minimize ghosts and flare to further enhance its optical performance. Its compact, easy-to-carry size is also ideal for capturing everyday scenes and snapshots. Aperture Range - F1.4 to F1.7 Aperture - F1.7 Minimum Aperture - F16 Closest Focusing Distance - 0.2m / 0.66ft Maximum Magnification - Approx. 0.13x / 0.25x (35mm camera equivalent) Diagonal Angle of View - 57 Filter Size - 46mm / 1.81 in Max. Diameter - 63mm / 2.48 in Standard Accessory - Lens Cap, Lens Hood, Lens Rear Cap, Lens Storage Bag Overall Length (inches) - Approx. 25.5mm / 1.00 in (from the tip of the lens to the base side of the lens mount) Dimensions (H x W x D) - 3.31'' x 4.41'' x 4.03'' Weight - Approx. 0.50 lbs. more info