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S1 500Ws HSS TTL Battery-Powered Monolight

MFR Part #: INTS1
Samy's Part #: S-044120
$72999
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The Interfit S1 500Ws HSS TTL Battery-Powered Monolight 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. The engineers at Interfit have been hard at work developing the world's first 500Ws monolight with High Speed Sync, TTL for Canon and Nikon, IGBT technology, Lithium Ion battery and multi-voltage AC power pack in one complete package. This unique combination of features gives the photographic market a versatile, affordable, high-powered flash lighting solution for both on-location and studio shooting. The S1 has 3 shooting modes, Wireless TTL for Canon or Nikon, Manual Mode, and High-Speed Sync. In TTL, the camera's flash technology takes stock of the scene and automatically adjusts the power from 7.8 to 500Ws across a 7-stop range. If you want to fine tune your exposure, there's +/- 3 stops exposure compensation adjustable in 1/3 stops. The S1's TTL remotes give the users direct control over any S1 light in any shooting mode from the camera position. Having three individual groups gives users the freedom to control lights individually to create dynamic lighting ratios with a working range of up to 100m (300').

The S1 comes standard with both battery- and AC-power sources. The interchangeable 4500mAh Li-Ion battery provides up to 350 full power flashes in Manual and TTL modes and over 400 full power flashes in High Speed Sync mode. This wire-free power source gives photographers the freedom and mobility to venture out from the studio and rapidly set up and reposition lights on location. For traditional studio work, the S1 also ships with an AC power pack, an industry first for an advanced TTL/HSS battery-powered monolight. This multi-voltage adaptor can be used anywhere in the world (100-240v) and lets photographers continue to shoot while their battery is charging. Utilizing IGBT technology, the S1 is able to offer short flash durations while maintaining color accuracy throughout the power range. Flash duration ranges from 1/1,000 at full power, down to 1/9,000 at minimum power. By shortening the flash durations, they were also able to improve color accuracy, giving the S1 a consistent 5700k (+/-100k) color temperature throughout the entire power range.

Features:
  • 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

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Monolight Heads Information
Wattseconds 500
Recycle Time Maximum: 3.0 sec.
Modeling Light 10W LED
Trigger Wireless remote, sync cord, IR/optical
Voltage 100-240 VAC, 50/60 Hz Included battery
Weight 6.3 lb (2.85 kg) including battery
Dimensions 13.4 x 5.1 (34 x 13 cm)
Flash Duration 1/1000 - 1/9000 sec. min/max power
Flash Duration Normal: 1/250 sec. High-Speed Sync: 1/8,000 sec.
Fan Cooled Yes
Flash Variability 7.0 Stops (2.0 to 8.0) in 1/10 stop increments
Color Temperature 5700 K +/-100 K
  • Bowens S-Type Reflector
  • Battery for S1 Monolight
  • Battery Charger For S1 Monolight
  • AC Power Pack For S1 Monolight
  • Limited 1-Year Warranty
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100% of reviewers recommend this item
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Guest Reviewer from Pleasantville, Somewhere on October 06, 2016:
Love it! I first saw these at WPPI and almost picked one up at the show, but I was hesitant since I hadn't seen them before. I've had mine now for a couple weeks and they're great! I do a lot of senior portraits, so having battery power and high speed sync has given me a bunch of new creative possibilities that I just couldn't do with my alien bees. Worth every penny!
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