Atom Flash Bundle Includes: Two Atom Flash Strobes Two White Flat Two 5500K Flat Two 4500K Flat Product Overview Compact but powerful — meet the Atom Flash, Backscatter’s travel-ready underwater strobe that punches way above its weight. With a guide number of ƒ28, it’s small, rugged, and flexible enough for both wide-angle and macro diving. Key Features Bright & Even Light Output: With a GN of ƒ28 the Atom offer plenty of power, and the 110° beam delivers even coverage with no hotspots. Diffuser Options: The Included flat diffuser offers 130° coverage; A optional dome diffuser is available that extends coverage to 150°. Selectable Color Temperatures: The Atom offers a native 6400K color temperature, and this can be altered with 5500K or 4500K diffusers making this ideal for matching the strobe color to ambient light or for creative effects. Smart Control TTL: Supports automatic TTL for Sony, Olympus, and OM System cameras via Backscatter’s Smart Control system. Manual Power Levels: 11 power settings (½ stop increments) give you precise control. Low Power Mode: Unlock 10 additional fine-tuned lower power steps — perfect for delicate lighting with macro imaging. Fast Recycle Time: Around 0.95 seconds at full power — keeps up even with fast action. Focus Lights: Built-in 1,000-lumen white and red LED lights help with aiming, especially when using the Optical Snoot for creative macro lighting. Remote Control / Triggering: Supports wireless power control and triggering. Use one Atom Flash to control others (or mix with Mini Flash or Hybrid Flash). High-Speed Sync (HSS): Compatible with Backscatter’s Smart Control TTL trigger and some third-party triggers for advanced lighting techniques. Super-Bright Rotating LCD: Large auto-rotating screen clearly shows mode, power level, remaining flashes, and battery life. Emergency SOS Mode: Hold a button to activate an LED ping that runs for hours — handy for signaling or locating the strobe. Long Battery Life: Uses two protected 18650 Li-ion batteries; delivers over 600 full-power flashes per charge. Durable & Waterproof: Depth-rated to 100 m / 330 ft, with dual O-rings + sand-seal gasket to protect against leaks. Technical Specifications Spec Value Depth Rating 100 m / 330 ft Guide Number ƒ28 (underwater) Beam Angle 110° native; 130° with flat diffuser; 150° with dome Color Temperature 6400K (native), with optional 5500K & 4500K Power Levels 11 manual + 10 extra (low power) Recycle Time (Full) ~0.95 seconds LED Focus Light Output 1,000 lumens (white & red) Battery 2 × 18650 Li-ion (protected) Flashes per Charge >600 at full power Weight (In Air) ~1.8 lb / 830 g (with batteries) Weight (In Water) ~5.6 oz / 160 g (with batteries) Sealing Dual O-rings + sand gasket Sync Fiber optic