Panasonic Lumix G Vario 7-14mm F4.0 ASPH. Lens

The LUMIX G VARIO 7-14mm / F4.0 ASPH. is an ultra-wide zoom for landscape and interiors at a constant F4. It is a Micro Four Thirds lens, so the 7 - 14mm focal length frames like 14 - 28mm on a 35mm camera, and the optical formula runs 16 elements in 12 groups (2 aspherical, 4 ED).

Maximum aperture is F4, closing to F22, the diaphragm has 7 blades in a circular iris, and it focuses to 0.25m. There is no front filter thread, and the lens measures 70.0mm max diameter x approx. 83.1mm length (from the fixed hood) at approx. 300g.