Features: Plastic material, fine workmanship, the material is suitable for light transmission, and most importantly, it won't tint the flash! Simply put it on the flash when using it, especially suitable for portrait 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. Except in TTL mode, do not use the diffuser in normal mode above. For best results, a 45-degree tilt should be used. The film is transparent in advance. Under a certain thickness, the molecule appears in a lattice arrangement, so that the light is scattered and transparent. The temperature resistance is 130 degrees, and it has excellent flexibility. Product function: It can make the flash soft and uniform through diffuse reflection and weaken the shadow of the object being photographed due to the light. Make pictures look more natural. Through the high-temperature resistant transparent plastic, it is converted into soft diffused light, eliminating the high light points on the portrait, making your pictures beautiful and natural. Specifications: Material: plastic Size: Approx. 5.4x16.5x0.85cm/2.13x6.5x0.33 inches for CANON600EX-RT Flash Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1X Flash Diffuser