A wide-aperture 35mm lens is by far one of the most popular choices for a huge range of genres and needs, offering a wide but still relatively neutral focal length combined with a lot of light-gathering and subject-isolating power. Sony's FE 35mm f/1.4 GM offers the company's best optics in such a lens, and this excellent video review takes a look at it and the kind of performance you can expect from it in practice.