Featuring a sliding mechanism: This viewfinder is a simple and easy-to-use tool with a sliding mechanism that you can adjust to your personal preferences, such as 8x10, 8x12, 9x12, 11x14, 8x12; perfect for viewing in various formats. Helps with color isolation: The View Finder Artist Painting Tool has a small hole in the middle of the sliding part, simplifying the process of comparing values with the gray part of the scene, greatly assisting the painter in capturing the correct values in their painting. Durable ABS material: The Artist's View Finder is made of high-quality ABS plastic, which will not be damaged or deformed even in rain or snow; this makes it perfect for those who paint outdoors in all types of weather conditions. Improve skills: The Artist's View Finder helps users practice and perfect their composition skills even when a camera isn't available; it helps to better visualize the frame, improving your photography skills as you practice seeing the image before you actually capture it. Versatile: In addition to its primary function as a framing tool, the View Finder can be used in a variety of ways; as a viewfinder and color isolator, it is suitable for professionals, amateurs, and students for painting, drawing, photography, quilting, interior design, landscapes, craft projects, and anywhere else where composition is needed.