The sony e20mm f28 pancake lens is designed to fit sonys mirrorless aps c range of cameras with e mount this wide angle prime lens with a fixed focal length offers a fast aperture of f28 lens and is easily transportable covering a host of photographic topics this compact travel lens is great for shooting landscapes at dusk and is suitable for gig shots and night photography where a large aperture is required an easy grip ring on the lens barrel helps you control whether your subject is