The Sigma EF-140 DG Shoe Mount Flash is a compact mount flash exclusively designed to be used with the DP1 camera. These digital camera flashes are better than the camera’s built-in flash units because they produce 2.3x times brighter light than the built-in flash.

• The Sigma EF-140 external flash offers complete TL support to the DP1 camera
• It can be used with the manual flash mode to attain the full-power flash output
• If the Sigma EF-140 DG Shoe Mount Flash is not active for more than 5 minutes, it shuts off automatically
• It provides a coverage angle of 16.6mm when used with the DP1 camera
• It does not come with swivel, bounce and zoom head
• Based on the AA batteries and full power, the Sigma EF-140 External Flash produces a recycle time of 5.5 seconds
• These digital camera flashes  are powered by AAA batteries
• Dimensions: 2.2" x 2.9" x 0.8"
• Weight: 2.4 oz