EF-140S Electronic Flash for dp Quattro.
Lightweight and compact, the EF-140S Electronic Flash from Sigma is optimized for use with the dp Quattro camera line but is compatible with cameras featuring Sigma's S-TTL. The hot shoe-mounted flash has a guide number of 46' at ISO 100 for providing additional illumination in low-light scenarios. The flash will offer coverage for a 19mm lens in the APS-C format and it has a recycle time of approximately 5 to 6.5 seconds.
Highlights:
Compatible with Sigma S-TTL
Guide Number: 46' at ISO 100
Coverage: 19mm (APS-C)
Flash-Ready Indicator Light
Recycle Time: 5.0-6.5 Seconds
Slow Sync & Red Eye Reduction Modes
Runs on 2 AAA Batteries