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Sigma EF-610 DG ST Flash for Sigma Cameras

B&H # SIEF610STSI MFR # F19110
Sigma EF-610 DG ST Flash for Sigma Cameras


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Product Highlights

  • Compatible with Sigma S-TTL
  • Guide Number: 200' at ISO 100 and 105mm
  • Zoom Range: 24-105mm (17mm with Panel)
  • Tilts from -7 to 90°
  • Rotates Right 90° & Left 180°
  • Wireless Master/Slave TTL Functionality
  • Recycle Time: 5-7 Seconds
  • 1st & 2nd Curtain Sync
  • Runs on 4 AA Batteries
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You Pay: $165.00

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With a powerful guide number of 200' at ISO 100 and 105mm, the Sigma EF-610 DG ST Flash works with Sigma S-TTL and offers users the ability to illuminate the subject or scene both on camera and off. The unit also has a zoom range of 24-105mm with full frame cameras and has a wide-angle panel that will extend this to 17mm. The head will tilt from -7 to 90° and rotate right 90° and left 180° for full bounce capabilities. And, it has wireless master and slave TTL functionality.

The flash also offers first and second curtain sync modes as well as a 5 to 7 second recycle time at full power. Additionally, it runs on 4 AA batteries and comes with a stand a case.

Built-in catch light panel
Red-eye reduction mode
Manual flash power settings of 1/1 and 1/16 power
Auto power off setting
Battery life of 120-160 flashes
Mount Shoe
Guide No. 200.13' (61 m) ISO100 at 105 mm position
Exposure Control Manual/TTL
Vari-Power 1/1 - 1/16
TTL Dedication Yes
Bounce Head -7° to +90°
Swivel Head 270°
Coverage 17 mm - 105 mm (Full frame)
Distance Range 1.64 to 16.40' (0.5 to 5 m)
Zoom Head Full frame: 24 mm - 105 mm
Off Camera Terminal Not Specified By Manufacturer
Recycle Time Approximately 5 - 7 seconds
Flash Duration 1/700 sec @ Full Power
Flash-ready Indicator Yes
Compensation -3 EV to +3 EV (in 1/3 and 1/2 EV steps)
Power Source 4x AA Alkaline, NiCad, Rechargeable Ni-MH Batteries
Dimensions (WxHxD) 3.0 x 5.5 x 4.6" / 77.0 x 139.0 x 117.0 mm
Weight 11.64 oz / 330 g without batteries
Sigma EF-610 DG ST Flash for Sigma Cameras
  • FS-11 Flash Stand
  • Carrying Case
  • Limited 1-Year Warranty

    by PowerReviews
    EF-610 DG ST Flash for Sigma Cameras

    (based on 2 reviews)

    Ratings Distribution

    • 5 Stars



    • 4 Stars



    • 3 Stars



    • 2 Stars



    • 1 Stars



    Reviewed by 2 customers

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    Good flash for the Sigma Dp2 and Dp3

    By Martin

    from Boulder, Co

    About Me Photo Enthusiast

    Verified Buyer


    • Consistent Output
    • Easy To Use
    • Lightweight


      Best Uses

      • Fill Flash
      • General Use
      • Portraits

      Comments about EF-610 DG ST Flash for Sigma Cameras:

      The flash interface for the Merrills is limited. The little fill flash they produced for these cameras has been discontinued. This works quite well with the cameras, although of limited use in manual mode.

      The only alternative is a much more expensive Sigma flash. So far, pleased with this.

      Incidentally, the Merrills have leaf shutters, so they will sync at any speed. Makes this flash useful in bright light.

      Seems quite well made for the price.

      • Was this a gift?:
      • No

      Share this review

      (1 of 2 customers found this review helpful)


      Not with a DP1M

      By AMcA

      from Phoenix

      Comments about EF-610 DG ST Flash for Sigma Cameras:

      I wanted a powerful, bounce-able flash for my DP1M. At the salesman's suggestion, I tried this as the only alternative that might - and he emphsized might- work.

      It didn't. Sometimes it just plain wouldn't fire. Couldn't figure out why. And in TTL mode I just wasn't getting good or consistent results. Otherwise seemed like a fine, well made unit.

      B&H's return policy saved the day.

      Share this review

      Batteries & Power

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      Required item: Batteries are not included, and are required to power your flash.

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      Flash Mounting

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      Flash Pouch

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      LensCoat - LensCoat FlashKeeper (Black)
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