Features: Made of plastic, fine workmanship, the material is suitable for light transmission, and most importantly, it will not cast a color tint on the flash! Just put it on the flash when using it, especially suitable for portrait fill light photography on sunny days, news photography, landscape macro photography, etc. No adjustments are required except for the maximum distance minus a factor of 2.5. Do not use the diffuser in a normal direct overhead position except in TTL mode. For best results, a 45-degree tilt should be used. The film is transparent for a certain period. At a certain thickness, the molecule appears in a lattice arrangement, causing the light to diffuse and become translucent. The temperature resistance is 130 degrees, and it has excellent flexibility. Product Function: It can make the flash soft and even through diffuse reflection, and weaken the shadow of the object being photographed due to the light. Make photos more natural. Through the high-temperature resistant transparent plastic, it is converted into soft diffuse light, eliminating the bright spots on the portrait, making your photos beautiful and natural. Specifications: Material: Plastic Size: Approx. 5.4x16.5x0.85cm/2.13x6.5x0.33in for CANON600EX-RT Flash Note: Please allow 1-2 cm error due to manual measurement, make sure you don't mind before ordering. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1X Flash Diffuser