ELECTRONIC FLASH EF-530 DG ST

DISCONTINUED

ELECTRONIC FLASH EF-530 DG ST

Available mounts

SIGMA SA-mount

Nikon F mount

Canon EF mount

Sony A-mount

Pentax mount

The SIGMA EF-530 DG ST is a powerful electronic flash unit designed for use with digital and film SLR cameras. It features a Guide Number of 53 (ISO 100, 105mm) and is engineered to work with the TTL auto exposure systems used by popular camera manufacturers. Core functions include TTL automatic flash exposure control, an autozoom head, and flexible bounce/swivel operation for creative lighting.

Compatibility

Compatible with SIGMA SA, Canon EF, Nikon F, Sony A-mount and Pentax AF cameras. Functionality and available TTL modes may vary by camera model and mount — please refer to the mount-specific support documents for details.

Included in the Package

EF-530 DG ST Flash Unit
User Manual
Soft Case (varies by region).

Key Features

Guide Number 53 (ISO 100, 105mm): strong illumination performance for long-range and wide-area coverage.
TTL Automatic Flash Exposure Control: provides automatic exposure compatible with camera TTL metering systems (implementation depends on camera model).
Auto Zoom Head: Automatically sets the illumination angle according to lens focal length from 24–105mm; coverage extends to 17mm when using the built-in Wide Panel.
Bounce & Swivel Head: Tilt up to 90° upward, tilt down 7°, rotate left up to 180° and right up to 90° for flexible light direction.
Manual Flash Mode: Allows manual control of flash output (e.g. full and reduced power settings) for controlled lighting setups.
Ready Indicator & Auto Power-Off: Ready lamp indicates charge status; Auto Power-Off helps conserve battery life.

Power Source

Four AA alkaline or AA NiCd or Ni-MH (Nickel Metal Hydride) batteries.

Performance & Timing

Charging time: approx. 6 seconds (alkaline), approx. 4 seconds (NiCd/Ni-MH).
Number of flashes: approx. 220 flashes (alkaline), approx. 100 flashes (NiCd/Ni-MH).

Illumination Angle & Coverage

Automatically set between 24mm and 105mm focal length; coverage down to 17mm when the built-in Wide Panel is used.

Bounce & Swivel Angles

Up: 0°, 60°, 75°, 90°
Right: 0°, 60°, 75°, 90°
Left: 0°, 60°, 75°, 90°, 120°, 150°, 180°
Down: 0°, 7°

Dimensions & Weight

Size: 77 × 139 × 117 mm / 3.0 × 5.5 × 4.6 in.
Weight: 305 g / 10.8 oz (without batteries).

SPECIFICATIONS

FEATURES

PRODUCT LINEUP

Power source Four AA alkaline or AA NiCd or Ni-MH Nickel Metal Hydride) batteries

Illumination angle Automatically set in accordance with the focal length of the lens, in a range from 24 mm to 105 mm. Also covers the angle of a 17-mm lens when used with the built-in Wide Panel.

Charging time 6 seconds (when using alkaline batteries)Approx. 4 seconds (when using NiCd, Ni-MH batteries)

Number of flashes Approx. 220 flashes (when using alkaline batteries) Approx. 100 flashes (when using NiCd, Ni-MH batteries)

Bounce angle (Up) 0, 60, 75, 90 degrees

Bounce angle (Right) 0, 60, 75, 90 degrees

Bounce angle (Left) 0, 60, 75, 90, 120, 150, 180 degrees

Tilt angle (Down) 0, 7 degrees

Dimensions（W×H×D） 77 × 139 × 117mm / 3.0 × 5.5 × 4.6inch

Weight (g) 305g / 10.8 oz

Compatible cameras SIGMA AF / NIKON AF / CANON AF / SONY AF / PENTAX AF

The ELECTRONIC FLASH EF-530 DG ST features a powerful Guide Number of 53 and is designed to work with the latest TTL auto exposure systems of all popular manufacturers’ digital and film SLR cameras. It features TTL automatic flash exposure control for easy operation. The autozoom function automatically sets the optimum illumination angle in accordance with the lens’ focal length in a range from 24mm to 105mm. When the built-in Wide Panel is used, the flash can cover the angle of 17mm.For bounce flash, the flashgun head can be tilted up by 90 degrees, to the left by 180 degrees, or to the right by 90 degrees. It can also be tilted down by 7 degrees allowing ease of use for close-up photography. In addition to automatic mode, the flashgun also features a manual flash mode, making it possible to set the flash power level to full or 1/16. When the flashgun is fully charged, a confirmation ‘ready’ light will be emitted and the flash exposure level can be checked through the cameras viewfinder. Other features incorporated into this flashgun include the Auto Power-Off function to help save battery power.

ELECTTRONIC FLASH EF-530 DG ST
SA-STTL
SIGMA SA-mount

0085126925307

ELECTTRONIC FLASH EF-530 DG ST
NA-iTTL
Nikon F mount

0085126925277

ELECTTRONIC FLASH EF-530 DG ST
SO-ADI
Canon EF mount

0085126925260

ELECTTRONIC FLASH EF-530 DG ST
EO-ETTL II
Sony A-mount

0085126925291

ELECTTRONIC FLASH EF-530 DG ST
PA-PTTL
Pentax mount

0085126925284