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Sigma Flash Macro Ring EM-140 DG for Sigma SLR Cameras |
List Price: $449.99
Your Price: $349.99 |
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Product Info |
Reviews |
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 (ISO 100)
- Ideal for close-up photography, especially medical and scientific applications
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