Products Instructions: The MK-910 is a high-performance CLS-compatible speedlight with a large guide number of 60(ISO 100/M)(111.5/157.5 ft.)(at the 35mm zoom position in Nikon FX format with standard illumination pattern,20°C/68°F.) -Combined with CLS-compatible camera, the MK910 can easily perform various types of flash operations, such as I-TTL auto flash and wireless multiple flash. -Three types of illumination patterns(standard, center-weighted and even) are available to match different shooting preferences. -Power zoom function automatically adjusts the zoom position to match the lens focal length from 18mm to 180mm. When the built-in wide-flash adapter is used or the diffusion dome is attached, the zoom position is automatically set to match a wide angle lens with much shorter focal length. -Bounce flash or close-up flash photography can be easily performed. -Custom functions are provided to allow for various setting. FEATURES: -iTTL mode : Monitor pre-flashes are fired at all times. The subject is correctly exposed by the light from the flash lighting and the exposure is less affected by ambient light.  -Auto FP High-Speed Sync High-Speed flash synchronization at a compatible camera's highest shutter speed is possible. This is useful when you want to use a wider aperture to achieve shallow depth of field to blur the background. -FV Lock(Flash Value Lock) Flash Value, or "FV", is the amount of flash exposure for the subject. Using FV Lock with compatible cameras, you can lock in the appropriate flash exposure for the main subject. This flash exposure is locked in,even if you change the aperture or composition, or zoom the lens in and out. Package Included:  1 x Meike MK-910 for Nikon 1 x Flash stand 1 x Protection bag 1 x User manual  1 x AA Battery & Charger 1 x Venidice Cloth
