Nikkor Q.C 135mm f/3.5, a metal prime lens with a 49mm filter thread. - Brand: Nippon Kogaku - Model Name: Nikkor Q.C 135mm f/3.5 - Lens Type: Prime Lens - Focal Length: 135mm - Maximum Aperture: f/3.5 - Material: Metal - Lens Diameter: Approximately 52mm - Filter Diameter: Approximately 49mm Thank you for viewing. There are scratches and dirt on the exterior. Please check the condition. I will take additional photos if you wish. I will include only the pink-tinted lens cap as a bonus. It is already attached to the lens. Only the items in the images are included. I will pack it with bubble wrap and protect it from water damage before shipping.