UV Transilluminator for electrophoresis gel viewing A compact bench-top UV transilluminator with two intensity modes for bright, clear images. The unit itself requires just 10.5 inches of space, with a very large and generous viewing area for gels up to 16 x 19cm. The surface is made of an easy to clean black glass that is scratch resistant and durable. The illumination system utilizes an array of bulbs that can be set to 50% intensity to reduce damage during a long-term exposure, or 100% intensity when taking photographs or when working with weak fluorescence signals.