Opteka EF-790 DG Super TTL Autofocus Dedicated LCD Flash for Pentax 645D, Q, K-5, K-r, K-x, K-7 and Samsung GX-1S, GX1L and GX10 Digital SLR Cameras

by Opteka

Product Details

• Product Dimensions: 2.8 x 4.9 x 3.9 inches ; 9.6 ounces
• Shipping Weight: 1 pounds (View shipping rates and policies)
• ASIN: B006TG00T0
• Date first available at Amazon.com: August 30, 2011

Product Description

The Opteka EF-790 DG SUPER TTL is designed to work with the all Pentax and Samsung digital SLR cameras, It has a maximum guide number of 148 feet or 45 meter at 85mm focal length (ISO 100).The projection angle of the flashgun is set automatically to match the len's focal length ranging from 24mm wide angle to 85mm medium telephoto. It also incorporates a built-in reflecting plate and diffuser that can be slid out from the top of the flash head for soft lighting effects. The bounce flash head can be tilted 90° upwards and can be swiveled 180° to the left and 90° to the right. In addition, the flash can also be set manually at 6 different power output levels or can be utilized as a wireless slave.

Features
~ Bounce & swivel head - Flash can be tilted 90° upwards and also can be swiveled 180° to the left and 90° to the right
~ AF assist - Autofocus auxiliary lamp helps the camera to focus in low-light
~ Illuminated LCD panel
~ Built in Reflecting Plate and Diffuser
~ Front and Rear Curtain Synchronization
~ Battery-saving mode shuts down power after 5 minutes
~ 1 Year Warranty

Specifications
Type: Shoe Mount
Guide No: 148' (45 m) at 85mm
AF Illuminator: 3.3ft-20ft/1-6m (50mm Lens)
Flash Duration: 1/1000 to 1/20,000 second
TTL Dedication: Yes
Bounce Head: Yes
Swivel Head: Yes
Recycle Time: 0.5-9 seconds (based on fresh batteries & full power)
Power Source: Four rechargeable "AA" batteries (Lithium, Ni-cd & Ni-MH)
Dimensions: 72mm x 100mm x 125mm
Weight: 270g (without batteries )