The Inside Of The Hood Is To Handle Reflections. In Backlight, Sidelight Or Flash Photography, It Prevents Non-Image Light From Entering And Prevents Fogging. In Front-Light And Side-Light Photography, It Prevents Scattered Light Around The Lens. It Prevents Ambient Interference Light From Entering The Lens In Light Or Night Photography. It Prevents Accidental Damage To The Lens, It Prevents From Accidentally Touching The Lens Surface, And It Protects The Lens To Some Extent From Wind, Sand, Rain And Snow. Compatible:for ET83C Condition:100% New, Third Party Product, Not-Original Colour:Black Material:plastic Size:11.5x11.5x9.2cm Package Contents: 1 * Camera Hoods Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.