HAKUBA 2.0x High-Resolution Lens, with lens cap. - Brand: HAKUBA - Model: 2.0X HI-RESOLUTION LENS - Accessories: Lens cap included - Country of Manufacture: JAPAN The product shown in the image is a "conversion lens" that attaches to a camera lens to change the focal length. Function: It may be a wide-angle conversion lens to make the original lens wider, or a telephoto lens to make it telephoto. Features: The lens surface is marked with "HI-RESOLUTION LENS JAPAN," indicating that it is a high-resolution lens made in Japan. Usage: Used for shooting in narrow rooms or when you want to capture distant objects in a larger size. How to use: Generally, it is attached to the front of the camera body's lens. I selected Nikon F mount for the size, but I had to choose something. I am not familiar with cameras, so I don't know if it's correct. Since the operation has not been confirmed, I am selling it as a junk item. Please purchase with the understanding that it is a junk item. This is a used item, so there may be small scratches or stains. The cap does not close. I have uploaded many images. Before purchasing, please examine the item thoroughly, such as by enlarging the images, and consider it until you are satisfied, such as through comments. Please be aware that I will not be able to respond to any claims after purchase, as it is assumed that you have agreed to the purchase after being satisfied.