They include physical attractiveness, proximity, similarity, and reciprocity: 1  Physical attractiveness: Research shows that romantic attraction is primarily determined by physical attractiveness. 2  Peopleâs perception of their own physical attractiveness also plays a role in romantic love. 3  Proximity: People are more likely to become friends with 4  ... S
Filox water filters are a filter medium specifically created for lowering the levels of manganese, iron and hydrogen sulfide from well water. Filox filters are superior performers to other filter media due to the productâs notably high manganese dioxide percentage.
Canon 500D Close Focus Filter â A close focus filter is simply a thick filter that screws onto the end of your lens and allows you to focus closer than you would normally be able. I tested this filter on the Nikon 70-200mm lens. Yes, thatâs right. A Canon filter on a Nikon lens.