Find the brand and name for each camera lens, and sort in descending order of maximum aperture.
SELECT brand ,  name FROM camera_lens ORDER BY max_aperture DESC
SELECT brand ,  name FROM camera_lens ORDER BY max_aperture DESC
[{'brand': 'Olympus', 'name': 'Olympus 15mm f/8.0 Body Cap'}, {'brand': 'Panasonic', 'name': 'Panasonic Lumix G 150mm f /2.8'}, {'brand': 'Sigma', 'name': 'Sigma 19mm f2.8 DN'}, {'brand': 'Sigma', 'name': 'Sigma 19mm f2.8 EX DN'}, {'brand': 'Sigma', 'name': 'Sigma 30mm f2.8 DN'}, {'brand': 'Schneider Kreuznach', 'name': 'Schneider Kreuznach Super Angulon 14mm f /2.0'}, {'brand': 'Olympus', 'name': 'Olympus M.Zuiko Digital ED 45mm f/1.8'}, {'brand': 'Olympus', 'name': 'Olympus M.Zuiko Digital ED 75mm f/1.8'}, {'brand': 'Panasonic', 'name': 'Panasonic Leica DG Summilux 25mm f /1.4 Asph.'}, {'brand': 'Schneider Kreuznach', 'name': 'Schneider Kreuznach Xenon 30mm f /1.4'}, {'brand': 'Panasonic', 'name': 'Panasonic Leica DG Nocticron 42.5mm f /1.2'}]