Sigma

Sigma 179306 EF-530 DG ST TTL Flash for Nikon DSLR

4.0 (18 reviews)

Enhance Your Photography with the Sigma EF-530 DG ST Flash The Sigma EF-530 DG ST electronic flash is designed to provide supplementary lighting for Nikon digital SLR cameras. With its powerful guide number, autozoom function, and tilting flash head, this flash unit offers versatility and control...

$139.49*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Enhance Your Photography with the Sigma EF-530 DG ST Flash

The Sigma EF-530 DG ST electronic flash is designed to provide supplementary lighting for Nikon digital SLR cameras. With its powerful guide number, autozoom function, and tilting flash head, this flash unit offers versatility and control for various shooting scenarios.

Specifications:

  • Brand: Sigma
  • Model: EF-530 DG ST
  • Compatibility: Nikon DSLR
  • Guide Number: 174 feet/53 meters
  • Autozoom Function: 24mm to 105mm
  • Tilting Flash Head: Up 90 degrees, Left 180 degrees, Right 90 degrees, Down 7 degrees
  • Wide Panel Coverage: 17mm Angle
  • Power: 4 AA Alkaline/Ni-Cad/NiMH Batteries
  • Dimensions: 3 x 5.5 x 4.6 inches (W x H x D)
  • Weight: 10.8 ounces

Key Features

Powerful Guide Number of 174 ft / 53m at 105mm Setting

Designed to work with the new TTL systems of all the popular manufacturers

Fully compatible with all Nikon Digital SLR cameras including the D40 and D40X

Covers a focal length from 24mm to 105mm

Built-in Wide Angle Diffuser Panel allows the flash to cover an angle of 17mm.

Specifications

Guide Number
174 ft / 53m (at 105mm setting)
TTL Compatibility
Nikon Digital SLR cameras (including D40, D40X)
Focal Length Coverage
24mm to 105mm
Wide Angle Diffuser Coverage
17mm
Flash System
TTL Flash

Pros & Cons

👍 Pros

  • Boasts a powerful guide number of 174 ft / 53m at a 105mm setting, indicating strong light output for varied lighting conditions.
  • Designed for full compatibility with all Nikon Digital SLR cameras, including models like the D40 and D40X, ensuring broad usability.
  • Utilizes the new TTL systems of popular manufacturers, allowing for accurate automatic flash exposure.
  • Covers a versatile focal length range from 24mm to 105mm, accommodating different lens choices for varied shot compositions.
  • Includes a built-in wide-angle diffuser panel, extending flash coverage down to an equivalent of 17mm focal length.

👎 Cons

  • While compatible with Nikon DSLR cameras, its "TTL Flash for Nikon DSLR" designation implies it is not universally compatible with other camera brands.
  • The use of "new TTL systems" is somewhat vague without specifying which generations of TTL are supported, potentially leaving older or newer cameras with less-than-optimal performance.
  • The flash does not explicitly mention advanced features such as high-speed sync, rear-curtain sync, or master/slave wireless capabilities, which are common in more advanced units.
  • Manual control options, if any, are not detailed, which could be a limitation for photographers who prefer precise power adjustments.
  • The flash coverage only extends down to 17mm with the diffuser; ultra-wide-angle lenses beyond this may experience vignetting or uneven illumination.

Frequently Asked Questions

The Sigma EF-530 DG ST has a powerful guide number of 174 ft / 53m when set at 105mm.
This flash is fully compatible with all Nikon Digital SLR cameras, including models like the D40 and D40X.
Yes, it is designed to work with the new TTL systems of popular manufacturers, which enables accurate automatic flash exposure.
The flash unit covers a focal length range from 24mm to 105mm.
Yes, it features a built-in wide-angle diffuser panel that allows the flash to cover an angle equivalent to a 17mm focal length lens.
The provided features do not explicitly mention advanced wireless master or slave capabilities for this flash unit.
No, it is specifically designed and noted as a "TTL Flash for Nikon DSLR," indicating compatibility primarily with Nikon systems.