Speedlite Flash E-TTL DSLR YONGNUO YN465 For Canon 40D 50D 350D 400D 450D 500D 1000D Description: This Digital Auto Flash Speedlite is designed for almost all Canon DSLR Cameras. It's very cost-effective, you just need to pay for a little money to get the greatest achievement. (1)The two main modes for this flash is TTL mode and M mode: TTL mode, the metering system of this camera will detect flash illumination reflected back from the object so as to automatically control flash output in this mode. When taking photos, you only require aiming at some scene and press the shutter after focusing, the light will give proper light as per tips and then you can get your desired photo. (This mode can only be used in compatible Nikon i-TTl mode). M mode, you can set flash luminance as per your favorite, luminance level will be displayed by luminance indicator. When taking photos, you only require setting the flash luminance, adjust the camera and press the shutter, the flash light will flash under the camera synchronous signal. (2)Advanced Application: Reflection flash.;Use Reflection Board to take photoes. Use Wide-angle Diffuser;Rear-curtain Sync. FV Lock;Application of AF LED. Exposure Compensation.