Backscatter Atom Flash Underwater Strobe AF-1

The Backscatter Atom Flash AF‑1 delivers serious power in a compact, travel-ready package—perfect for underwater photographers who don’t want to compromise. With an underwater guide number of ƒ28, it’s capable of illuminating everything from expansive wide-angle scenes to tight macro subjects. The 110° beam provides smooth, even light across your frame, and its included flat diffuser (plus optional dome diffuser) further broadens and softens the output. Built-in 1,000-lumen white and red focus lights make aiming precise, especially for macro or shy subjects when paired with the Optical Snoot OS‑2.

It supports a full range of flash modes: Smart Control TTL (for Sony, Olympus & OM System), Manual with 11 power levels, RC wireless triggering, and High-Speed Sync (HSS). A user-friendly, auto-rotating LCD displays power, shots remaining, and battery life. The AF‑1 recycles in under a second at full power and delivers over 600 flashes per charge, thanks to its twin 18650 batteries. All of this comes in a rugged, low-profile body that’s easy to pack and travel with — yet tough enough to thrive on shore dives or remote destinations.

Key Features

• Underwater Guide Number: ƒ28 for strong, bright lighting
• Wide 110° beam for uniform coverage
• Flat and dome diffusers to adjust beam spread
• Smart Control TTL for Sony, Olympus & OM System
• Manual mode with 11 steps of power
• RC wireless triggering
• High-Speed Sync (HSS) for creative lighting and fast shutter work
• Built-in focus lights: white (1,000 lumens) and red
• Selectable color temperatures: 6400K / 5500K / 4500K
• Fast recycle time: under 1 second at full power
• 600+ full-power flashes per charge
• Powered by two 18650 Li-ion batteries
• Easy bayonet mount for Optical Snoot OS‑2 for precision macro work
• Super-bright auto-rotating LCD for clear status (shots left, battery, mode)
• Mix‑and‑match compatibility with other Backscatter strobes
• SOS emergency signaling mode included
   

Specifications

• Depth Rating: 100 m 
• Guide Number: ƒ28
• Flash Output: 130 Ws
• Beam Angle: 110° (without diffuser)
• Diffuser Options: Flat (130°), Dome (150°)
• Flash Modes: Smart Control TTL, Manual (11 levels), RC Remote, HSS
• Color Temperatures: 6400K, 5500K, 4500K
• Focus Light: White (1,000 lumens) & Red, 3 power levels
• Battery: 2 × 18650 Li-ion
• Flashes per Charge: Over 600 (full power)
• Recycle Time (Full): ~0.95 seconds
• Weight: 830 g in air; 160 g in water
• Display: Rotating auto-orient LCD (shows power, remaining flashes, battery)
• Seal: Dual O-rings + sand gasket
• Dimensions (with ball): 154 × 145 × 85 mm
• Material: Anodized machined aluminum & glass-filled fiber
   

In the Box

• Backscatter Atom Flash AF‑1 strobe
• Flat White Diffuser
• 1-inch Ball Mount
• YS Mount
• Light Pipe 
• Spare O-rings
• O-ring Grease / Lubricant