What’s a Gon? Goniometry is the science of measuring things, most common when surveying objects. In the Architectural Photography field, GON and not degree is the standard unit of measurement. Alpa is committed to the work of their customers,and sometimes refers to them when naming their products. There are the ALPAGON lenses and the tripod heads are simply called GON. Alpa is confident that their new GON products will make … Read More →