{"product_id":"electtronic-flash-ef-530-dg-st","title":"ELECTRONIC FLASH EF-530 DG ST","description":"\u003cp\u003eThe 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.\u003cbr\u003e\u003cbr\u003eCompatibility\u003cbr\u003e\u003cbr\u003eCompatible 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.\u003cbr\u003e\u003cbr\u003eIncluded in the Package\u003cbr\u003e\u003cbr\u003eEF-530 DG ST Flash Unit\u003cbr\u003eUser Manual\u003cbr\u003eSoft Case (varies by region).\u003cbr\u003e\u003cbr\u003eKey Features\u003cbr\u003e\u003cbr\u003eGuide Number 53 (ISO 100, 105mm): strong illumination performance for long-range and wide-area coverage.\u003cbr\u003eTTL Automatic Flash Exposure Control: provides automatic exposure compatible with camera TTL metering systems (implementation depends on camera model).\u003cbr\u003eAuto 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.\u003cbr\u003eBounce \u0026amp; Swivel Head: Tilt up to 90° upward, tilt down 7°, rotate left up to 180° and right up to 90° for flexible light direction.\u003cbr\u003eManual Flash Mode: Allows manual control of flash output (e.g. full and reduced power settings) for controlled lighting setups.\u003cbr\u003eReady Indicator \u0026amp; Auto Power-Off: Ready lamp indicates charge status; Auto Power-Off helps conserve battery life.\u003cbr\u003e\u003cbr\u003ePower Source\u003cbr\u003e\u003cbr\u003eFour AA alkaline or AA NiCd or Ni-MH (Nickel Metal Hydride) batteries.\u003cbr\u003e\u003cbr\u003ePerformance \u0026amp; Timing\u003cbr\u003e\u003cbr\u003eCharging time: approx. 6 seconds (alkaline), approx. 4 seconds (NiCd\/Ni-MH).\u003cbr\u003eNumber of flashes: approx. 220 flashes (alkaline), approx. 100 flashes (NiCd\/Ni-MH).\u003cbr\u003e\u003cbr\u003eIllumination Angle \u0026amp; Coverage\u003cbr\u003e\u003cbr\u003eAutomatically set between 24mm and 105mm focal length; coverage down to 17mm when the built-in Wide Panel is used.\u003cbr\u003e\u003cbr\u003eBounce \u0026amp; Swivel Angles\u003cbr\u003e\u003cbr\u003eUp: 0°, 60°, 75°, 90°\u003cbr\u003eRight: 0°, 60°, 75°, 90°\u003cbr\u003eLeft: 0°, 60°, 75°, 90°, 120°, 150°, 180°\u003cbr\u003eDown: 0°, 7°\u003cbr\u003e\u003cbr\u003eDimensions \u0026amp; Weight\u003cbr\u003e\u003cbr\u003eSize: 77 × 139 × 117 mm \/ 3.0 × 5.5 × 4.6 in.\u003cbr\u003eWeight: 305 g \/ 10.8 oz (without batteries).\u003c\/p\u003e","brand":"Sigma Italia","offers":[{"title":"SIGMA SA-mount","offer_id":51717321523538,"sku":null,"price":1.0,"currency_code":"EUR","in_stock":true},{"title":"Nikon F mount","offer_id":51717321556306,"sku":null,"price":1.0,"currency_code":"EUR","in_stock":true},{"title":"Canon EF mount","offer_id":51717321589074,"sku":null,"price":1.0,"currency_code":"EUR","in_stock":true},{"title":"Sony A-mount","offer_id":51717321621842,"sku":null,"price":1.0,"currency_code":"EUR","in_stock":true},{"title":"Pentax mount","offer_id":51717321654610,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8782\/9842\/files\/product_img01_583a834b-b5ae-493b-bcba-8a3b61c02958.png?v=1760095345","url":"https:\/\/www.sigma-italia.it\/en\/products\/electtronic-flash-ef-530-dg-st","provider":"Sigma Italia","version":"1.0","type":"link"}