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Review Summary
2018-04-14T01:12:39
I bought this to use with my Canon t5i and it worked fine, However I recently purchased a Canon t7i and it didn't work with that. I emailed Sigma, not expecting much. They said the lens needed a firmware update which they did for free. I got the lens in the mail yesterday and it now works fine with my new Camera. Thank you Sigma.
Dave K.
2016-07-25T11:13:36
I purchased the EM-140 DG for my Canon Macro lens. I would highly recommend. It's a great deal, check it out.
Josh B.
2015-12-18T18:49:57
The flash does everything it says it can do. Love the manual mode flexibility
chris d.
2009-02-11T19:00:00
Easy to set up and use. Great for dental pictures
NT
45 (ft) / 14 (Meter)
Full, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64
Vertical / Horizontal 80 degrees
4 AA Battery
15.1 oz / 430g (without batteries)
76.7 x 136.2 x 82.4mm (3.0 x 5.4 x 3.2in.)
126.6 x 128.8 x 30.5mm (5.0 x 5.1 x 1.2in.)
085126922641









The EM-140 DG Macro Flash is designed to work with both AF 35mm film and Digital SLR cameras of all-popular manufactures.
The EM-140 DG Ring Flash is ideal for photographing subjects in fine detail whenthe shadowless mode is used and is extremely effective for scientific and medical applications.
Dual flash tubes can fire simultaneously or separately. Using only one flash tube creates shadow, which can give a three-dimensional feeling to the subject. The flash features a guide number of 45 with ISO 100
The Modeling Flash function makes it possible to check for reflections and shadows before actually taking the flash picture.
A wireless flash function is also available, when the EM-140 DG is used as master and the EF-500 DG SUPER as a slave unit for creating fine shadow details.High Speed Synchro and Exposure compensation functions are also available for advanced flash photography.