Sigma

Sigma F30101 EM-140 DG Macro Ring Flash Canon

4.1 (166 reviews)

Illuminate Close-Ups with Precision: Sigma EM-140 DG Macro Ring Flash The Sigma EM-140 DG Macro Ring Flash is designed for detailed close-up photography with both film and digital SLR cameras. Featuring dual flash tubes, wireless control, and high-speed synchro, this ring flash is ideal for medi...

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*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.

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Overview

Illuminate Close-Ups with Precision: Sigma EM-140 DG Macro Ring Flash

The Sigma EM-140 DG Macro Ring Flash is designed for detailed close-up photography with both film and digital SLR cameras. Featuring dual flash tubes, wireless control, and high-speed synchro, this ring flash is ideal for medical, scientific, and creative applications.

  • Compatibility: Canon AF SLR and Digital SLR Cameras
  • Guide Number: 14 (ISO 100)
  • Flash Control: TTL auto exposure
  • Features: Wireless flash control, high-speed synchro flash, modeling flash function
  • Includes: 55mm and 62mm adapter rings
  • Flash Sync Speed: 1/250

Key Features

Fully dedicated with the latest TTL auto exposure systems

Flash tubes can be switched on or off for creative flash control

Wireless flash control; high-speed synchro flash

Guide number of 14

Ideal for close-up photography, especially medical and scientific applications.55mm and 62mm adapter rings are included with the flash

Specifications

Brand
Sigma
Model
F30101 EM-140 DG
Product Type
Macro Ring Flash
Camera Compatibility
Canon (specific model not stated, but fully dedicated TTL)
Guide Number
14
Flash Modes
TTL auto exposure, Wireless flash control, High-speed synchro flash
Included Adapter Rings
55mm, 62mm
Specialization
Close-up, Medical, and Scientific Photography

Pros & Cons

👍 Pros

  • Fully dedicated with the latest TTL auto exposure systems, ensuring precise and consistent flash output.
  • Flash tubes can be individually switched on or off, offering creative control over lighting direction and effect.
  • Features wireless flash control, providing flexibility for off-camera lighting setups.
  • Supports high-speed synchro flash, enabling the use of flash at fast shutter speeds to control ambient light.
  • Offers a guide number of 14, indicating a decent power output for macro and close-up illumination.
  • Ideal for close-up photography, including medical and scientific applications, due to its specialized design.
  • Includes 55mm and 62mm adapter rings, expanding compatibility with various lenses right out of the box.

👎 Cons

  • The guide number of 14, while adequate for macro, might be insufficient for broader or more distant subjects requiring powerful illumination.
  • The specialization for macro and close-up photography limits its general utility for other types of photographic work.
  • While adapter rings are included, it may require additional rings for lenses with filter threads outside of 55mm and 62mm.
  • Wireless flash control requires a compatible camera or transmitter, which may be an additional purchase or existing equipment requirement.
  • The specific type of batteries required for operation is not mentioned, which can be an important consideration for users.

Frequently Asked Questions

The Sigma EM-140 DG Macro Ring Flash is primarily ideal for close-up photography, including specialized applications like medical and scientific imaging, due to its even illumination.
Yes, the flash tubes can be switched on or off independently, allowing for creative control over the direction and effect of the light.
This macro ring flash has a guide number of 14, indicating its power output for illuminating close-up subjects.
Yes, the Sigma EM-140 DG Macro Ring Flash supports wireless flash control, offering flexibility for various shooting setups.
This flash includes 55mm and 62mm adapter rings, making it compatible with lenses that have these filter thread sizes.