After spending a lot of money on expensive equipment, whether it be binoculars, telescope or camera lenses, you want to get the best performance from them. Lee Copplestone explains why and how to keep optics clean. (title image by Oliver Smart)
In the past it was just peanuts and breadcrumbs but now we have a myriad of different bird foods to choose from. In this guide we’ll sort the wheat from the chaff and derive which nuts and seeds attract which species.