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Interfit S1 HSS TTL Monolight

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Status : In stock

SKU : 46348

Quick Overview

The S1 is the first high-tech TTL HSS monolight to include intelligent TTL and HSS technology in a battery-powered monolight with an included International Multi-Voltage AC Power adapter in one complete package.

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    Interfit S1 HSS TTL Monolight
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The S1 is the first high-tech TTL HSS monolight to include intelligent TTL and HSS technology in a battery-powered monolight with an included International Multi-Voltage AC Power adapter in one complete package.

  • Through The Lens Metering in TTL Mode uses the S1’s entire 7-stop power range (500W – 7.8Ws) and is automatically calculated in 1/10th stop increments, and allows for ± 3 stops of exposure compensation
  • Manual Mode utilizes the entire 7-stop power range, controllable in 1/10th stop increments
  • High Speed Sync in Manual Mode at up to 1/8000th of a second shutter speed using the top 4 stops in the power range (500Ws – 62.5Ws) and is manually adjustable in 1/3-stop increments
  • Included International Multi-Voltage AC Adapter that can power the unit with or without the battery in place, maximizing battery health longevity
  • Integrated and exchangeable lithium-ion battery is flush with the flash body, offers a 350 full power flash capacity and allows for wire-free and rapid setup and repositioning of lights when power outlets encumber workflow or are not an option at a shoot
  • Color Accurate to within ±100 Kelvin using high-tech insulated-gate bipolar transistor (IGBT) technology
  • Short Flash Duration for freezing action and sports motion between 1/1000th of a second to 1/9000th depending on power output using IGBT technology.
  • Integrated Wireless System with remote TTL flash exposure compensation and manual power control in three groups from camera position using the S1 Remotes for Canon or Nikon (sold separately)
  • Frosted Glass Dome softens and disperses light evenly through large and small light modifiers alike, from large octaboxes to small beauty dishes and reflectors while protecting the user-replaceable flash tube.
  • Aluminum Construction with an attractive matte finish gives the unit greater heat dispersion, durability and weight-to-rigidity efficiency
  • Firmware Upgradeable via Micro USB Port for future fixes and features
  • Bowens S-Type Mount is compatible with a large scope of adapter rings and modifiers such as softboxes, reflectors, and grids


  • Maximum Wattssecond: 500Ws
  • Power Range : 7 Stops (2.0 – 8.0)
  • Recycle Time Full Power: 3 Seconds
  • Flash Duration: 1/1,000 – 1/9,000 (max-min power)
  • Color Temperature: 5700K +/- 100K
  • Fitting Type: Bowens® / S-Type
  • Modeling Lamp: 10W LED
  • Triggering: Interfit TTL-C/N 2.4GHz Remote, Sync Port, IR/Optical
  • Shooting Modes: Mmanual, TTL (Canon/Nikon), HSS
  • Maximum Flash Sync Speed: 1/250sec. in normal sync mode, 1/8000sec. in high speed sync mode
  • Operating Voltage: 100-240V AC
  • Battery Type: 4500mAh Li-Ion
  • Battery Life: 350 full power flashes
  • Battery Recharge Time: 3 Hours
  • Fan Cooling: Yes
  • Auto Power Dump: Yes
  • Flash Ready Indicator: LED and switchable audible
  • Dimensions: 34 x 23 x 13cm (13.4 x 9.1 x 5.1")
  • Weight: 2.85kg (6.3lb)
  • Included accessories: 18cm (7") Standard Reflector - with Bowens S-Mount, Battery, Battery Charger, AC Power Pack

Additional Information

Model INTS1
Brand Interfit
UPC 060139015233
Sensor Size No

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