Universal Compatibility: Perfectly supports 135 standard film and 120 medium format negatives, and can also view large format loose-leaf films. Whether color negatives, black and white negatives, or positive slides, all are displayed clearly. Professional-Grade Lighting: Utilizing a high color rendering index (CRI>90) LED light source, the light is even, soft, and flicker-free, faithfully reproducing film colors and details, reducing visual fatigue and making it an ideal tool for post-production screening and color correction. Ultra-Slim, High-Definition Transparent Lighting: A high-quality diffuser provides a vignetting-free, uniformly illuminated viewing area, allowing every frame of film detail to be clearly visible, greatly improving film selection efficiency. Versatile Applications: Serves not only as a film viewer but also as a copy station. It can be used with a scanner for film digitization, or for applications requiring transparent light, such as fine art copying and diamond painting. User-Friendly Design: Lightweight and portable, it features convenient and flexible USB power supply. Its scratch-resistant surface ensures durability. It is a must-have accessory for photographers, hobbyists, and film studios.