This is a high-transparency 52mm lens guard from HAKUBA. It's a lens protection filter that protects your lens from scratches and dirt. - Brand: HAKUBA - Model: MC Lens Guard - Size: 52mm - Application: Lens protection filter Thank you for viewing. This is a new, unused item, but it has been handled by a person, so please refrain from purchasing if you are looking for a perfect item or are very particular about condition.