技术细节
| 照明角度(水平) |
80 ° |
| 照明角度(垂直) |
80 ° |
| 闪光指数（ISO100，设定35mm焦距） |
14 m |
EM-140 DG Ring Light Flash (SA-STTL Sigma) + Macro Flash Addapter (55mm, 58mm)
ELECTRONIC FLASH MACRO EM-140 DG is designed to work with both AF 35mm film and Digital SLR cameras of all the popular manufactures. The EM-140 DG Flash is ideal for photographing subjects in fine detail when the shadowless mode is used and is extremely effective for scientific and medical applications. Dual flash tubes can fire simultaneously or separately. Using only one flashtube creates shadow, which can give a three-dimensional feeling to the subject. The flash features a guide number of 14 w/ISO 100.
Flash tubes can be switched on or off for creative flash control
ELECTRONIC FLASH MACRO EM-140 DG is fully dedicated with new TTL flash control systems of all-popular camera manufacturers. Automatic functions of this flashgun deliver outstanding results and creative possibilities.
Macro Flash Adapter in many different sizes
ø55mm, ø58mm Macro Flash Ring Adapters are provided with this flash unit, ø52mm, ø62mm, ø67mm, ø72mm and ø77mm ring adapters can be purchased separately. These Macro Ring Flash Adapters in many different sizes make it possible to attach this flashgun to a wide variety of lenses.
Flash tubes can be switched on or off for creative flash control
Flash tubes can fire together or independently for a wide range of lighting variations. When shadowless mode is used subjects can be photographed in fine detail, this can be done by firing both flashtubes. Using only one flashtube creates shadow, which can give a three-dimensional feeling to the subject.
Wireless Flash Function
For giving three dimensional feeling to the subject in the picture or lighting of background, side-light, top-light, etc., it is possible to use wireless flash EF-500 DG SUPER separated from the camera.
Equipped with Exposure Compensation Function
Exposure compensation function delivers outstanding creative possibilities for precisely reflecting the photographerís intention. The subject's delicate textures, its reflectivity as well as background, and light balance, etc. can be adjusted finely.
High Speed Synchro (FP) Flash
High Speed Sync allows using a shutter speed faster than the shutterís normal synchronized speed.
Modeling Flash Function
The modeling flash allows for checking shadows and light balance on the subject prior to shooting.
