Panasonic Lumix G 25mm f/1.7 ASPH. Lens is an ideal lens for traveling photographers because of its compact form factor, fabulous optics, and 50mm (35mm Equivalent) focal length! Panasonic Lumix G 25mm f/1.7 ASPH. is your best bet if you are looking for a fast, normal prime for your Micro Four Thirds mirrorless camera. It offers a 50mm equivalent lens with a bright f/1.7 maximum aperture that offers enhanced results in low-light shooting and a greater depth of field control. Our Take on the Panasonic Lumix G 25mm f/1.7 ASPH. Lens: The optical design includes one UHR (Ultra-High Refractive Index) element along with two aspherical elements that reduce spherical aberrations and distortions rendering consistent edge-to-edge sharpness and illumination. The lens elements have Nano Surface Coating applied, that helps in reducing flare and ghosting and results in increased contrast and color fidelity. Further, the optical construction is compact, rendering an overall lightweight form factor, ideal for traveling photographers. The lens also comes with a stepping motor that allows smooth and quiet autofocus. This feature enables you to bring out the best of your creativity in both stills and video captures. Further, this performance is compatible with Lumix cameras' high-speed contrast-detection focusing systems, making this lens a perfect fit for your Lumix photography equipment. TOP 10 KEY FEATURES: Focal Length: 25mm (35mm Equivalent Focal Length: 50mm) Maximum Aperture: f/1.7 Minimum Aperture: f/22 Lens Mount: Micro Four Thirds Format Compatibility: Micro Four Thirds Angle of View: 47° Minimum Focus Distance: 9.84" / 25 cm Maximum Magnification: 0.14x Optical Design: 8 Elements in 7 Groups Diaphragm Blades: 7, Rounded Included in the box: Panasonic Lumix G 25mm f/1.7 ASPH