This is a loupe for checking the LCD monitor for 3.2-inch monitors of single-lens digital cameras and compact digital cameras. The double-sided, multi-coated lens reduces reflections and allows you to check the sharpness and sharpness of the image you have taken. It also allows you to quickly check the focus in the open air under strong sunlight. The lens can be easily cleaned by folding it up, and it can be carried compactly without taking up much space. It is a very useful item to have on hand. It is especially recommended for those who pursue high quality photography.