SKU: 03124 | Guide Number 20 | DS-TTL II Auto & 10-Step Manual Control

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The Sea & Sea YS-01 Solis Underwater Strobe (Product No. 03124) delivers professional lighting performance in a compact, travel-friendly package. Upgraded with Sea & Sea’s advanced DS-TTL II circuitry, the YS-01 Solis automatically reads light intensity from your camera's internal flash to calculate perfect flash exposure underwater. For photographers wanting full control, it features a 10-step manual control dial (GN 1 to 20). Its custom prism lens provides an ultra-wide 100° x 100° beam angle with smooth, even coverage—preventing harsh hot spots in macro and wide-angle shots.

Key Features & Performance

• DS-TTL II Exposure Control: Automatically matches camera output with fine-tune exposure compensation control (+4 steps to -5 steps).
• 10-Step Manual Control: Precise light control dial ranging from GN 1 to GN 20 for full creative freedom.
• 40% Brighter Target/Focus Light: Built-in LED focus light is 40% brighter than previous models to help frame subject axes and facilitate autofocus during night dives.
• Prism Lens & Wide Coverage: Achieves 100° x 100° beam angle natively, expanding to 110° x 110° with the included snap-on diffuser.
• Pre-Flash Cancel Mode: Ensures reliable optical synchronization with compact, mirrorless, or DSLR housings using optical cables.

Technical Specifications