Panasonic reveals Lumix DMC-GX7 enthusiast mirrorless camera Panasonic has announced the Lumix DMC-GX7 – the follow-up to the DMC-GX1 – which is its first mirrorless interchangeable lens camera to include in-body image stabilization. This 16MP, rangefinder-style camera also includes a high-resolution, widescreen EVF that can be tilted upwards 90…