Sunpak RD2000N Ultra-Compact Digital Bounce, Shoe Mount Flash for Nikon i-TTL Camera, Guide Number 65'.

Sunpak RD 2000 Features

• Powered by 2-AA batteries in a compact and light body: At full power, it can be fired approximately 280 times. It charges in approximately 4 seconds (when using Ni-MH batteries) and is more durable than you would expect from something so compact
• Guide Number 20 (ISO 100-m): The maximum Guide Number 20
• Shoe mount type: When you are done shooting, you can rotate the shoe into the body. It's very convenient to carry around because it is so compact
• Compatible with TTL functions of digital SLR cameras: Compatible with the advanced flash output control function for Nikon i-TTL
• TTL signals are automatically recognized just by mounting and turning on: The latest high-accuracy TTL signals are recognized by just mounting this flash on a camera and turning it on. This flash ensures the accurate, optimum and high-quality lighting
• Auto power OFF function: It comes with an energy-saving function that will turn the power off after 15 minutes of inactivity
• Vertical-Up 90° for bounce function
• EV adjustment buttons enable free operations: Easily increase and decrease flash output by using EV adjustment button. The photographer's intention can be freely represented by the EV adjustment function up to +/-1.0EV
• Built-in wide panel: Applicable to wide-angle lens, more than 16mm focal length (APS-C size)
• Firmware can be updated: Even if you buy a new camera at some point, you can update your flash with the latest firmware and continue to use it as is