Leica’s Q series is the company’s best-selling digital camera to date and it’s not all that difficult to see why. Kevin Carter looks at the latest iteration, the Leica Q3 Small, light and unobtrusive the Leica Q embodies all that’s attractive of the Leica M with added the benefit of a Kabe-designed Leica autofocus 28mm F1.7 lens. This is the closest we have to an autofocus M series camera, and unless you’re adept at using one of those you’ll be more successful shooting at the initial aperture or close to it and far more discrete using a Leica Q. What’s more, the latest iteration the Leica Q3 is the fastest…