Bitwise.js

var OPTIONS = {
  'GRAYSCALE': 1, 'SEPIA': 2, 'HIGH-RES': 4, 'LOW-RES': 8
};

function setCameraSettings(options) {
  if( options & OPTIONS['GRAYSCALE'] )
     console.log('GRAYSCALE activated');
  if( options & OPTIONS['SEPIA'] )
    console.log('SEPIA activated');
  
  // And so on
}

setCameraSettings( OPTIONS['GRAYSCALE'] | OPTIONS['SEPIA'] );

// => GRAYSCALE & SEPIA activated