The next six months is prime time for this rewarding pursuit, especially on those gloomy days which can add drama and 'wow factor' to your images. Sydney-based pro photographer Alfonso Calero has some compelling reasons why you should consider converting from colour to black and white. Ryde Bridge by Alfonso Calero 1. Bad weather, good pics Many people believe they should only shoot landscapes on clear blue sky days, but overcast days with some low cloud action can produce ad