user: Question: What is the lens zoom and aperture for the Coolpix 5400?
Columns: ['Model', 'Sensor resolution, size , type', 'Lens (35mm equiv) zoom, aperture', 'Digital Zoom', 'LCD screen size, pixels']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Coolpix 5000', '4.9 MP 2560×1920 2/3" CCD', '38–85mm (3×) F2.8-F8.0', '4×', '1.8" 110,000']
SQL:

assistant: SELECT "Lens (35mm equiv) zoom, aperture" FROM "Table" WHERE "Model" = 'Coolpix 5400';