Sigma EM-140 DG

Check availablity: Adorama, Amazon USA, Amazon UK, B&H, eBay.

Macro ring flash. 55mm and 58mm adapter rings are included with the flash. 52mm, 62mm, 67mm, 72mm and 77mm adapters are sold separately.

Units with serial number lower than 2054400 is compatible with Canon DSLRs manufactured before 2008, but is not compatible with the Canon EOS 50D and later models. See this notice to customers using Sigma's EO-ETTL II type flashguns for details.

Specifications

For dedicated flash systems: Canon, Nikon, Pentax, Sigma, Sony.
Swivel & tilt: no.
Exposure modes: TTL, FP, Varipower, RPT.
Manual settings: 1/1 to 1/64 in 1 EV steps (7 steps).
Wireless mode: Master (dedicated).
Features: Macro.
Batteries: 4xAA.
Field upgradable: No.
Weight: 430 g.
Guide number (ISO 100, meter): 14.

Price: USD 379 (new, w/o tax).
Introduced: no data.

For a detailed explanation of the above specifications, see the guide.

Literature

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Brand profile

Key info

Established: 1961
HQ: Kanagawa, Japan
Web: Global, EU, US, man
Map location

Sigma is a family owned manufacturer of photographic equipment founded in 1961 in Japan. The company's main business is to manufacture third party lenses. However they also produce third party flash units and, since 2002, their own line of DSLR and compact cameras. Sigma's digital cameras use a special sensor, developed by Foveon, that records full color information for every pixel. In late 2008 Sigma acquired Foveon.

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