【Durable Material】The artist viewfinder is made of good ABS plastic, which means it is not damaged or deformed even if it rains or snows; this makes it ideal for people who paint outdoors in all kinds of weather conditions. | 【Sliding Mechanism】The view finder is a simple, practical, and easy-to-use tool; it has a sliding mechanism that you can adjust to your personal preferences, such as 8x10, 8x12, 9x12, 11x14, 8x12; this makes it ideal for composing in different formats. | 【Improve Composition Skills】The Artist's Viewfinder allows you to practice and improve your composition skills and photography skills even without a camera. It helps you visualize the frame better, thus improving your photography skills because you practice viewing the image before actually taking it. | 【Enhanced Value Comparison】The small hole in the sliding part helps to quickly see the correct color value by comparing it with the gray scene part, which greatly helps painters make color decisions in their paintings. | 【Wide Application】The viewfinder for the artist is suitable as a viewfinder and color separator for professionals, amateurs, and students to use in painting, sketching, photography, patchwork, interior design, landscaping, craft projects, and other places where the composition is needed.