User Manual for Interfit S1a 500Ws HSS TTL AC Powered Monolight Click to enlarge the picture
Contents of the user manual for the Interfit S1a 500Ws HSS TTL AC
- Product category: Monolights Interfit
- Brand: Interfit
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Interfit Monolights
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User manual for the Interfit S1a 500Ws HSS TTL AC contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Interfit product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Interfit user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Interfit product will considerably shorten its lifespan!
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Product description Interfit joins the wave of manufacturers producing studio-quality TTL flash heads with the introduction of the S1a 500Ws HSS TTL AC Powered Monolight.The S1a has 3 shooting modes: Wireless TTL for Canon or Nikon, Manual Mode, and High-Speed Sync. Wireless requires purchase of a Nikon or Canon dedicated transmitter, but once that's done, you can basically treat these studio strobe units as you would your on-camera flash. 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, and you can do it all at distances up to 328' thanks to the S1a's built in radio receiver.Traditional manual mode is also available for those who want complete control. Manual mode is also how you access HSS (High-Speed Sync). This mode uses the flash's top 4 power levels (from 62.5 to 500Ws) to allow you to access sync speeds as short as 1/8,000. HSS presents a new world of exposure possibilities whether you're trying to overpower the sun, control the background's brightness or use wider apertures.The S1a recycles to full power in 3 seconds and a fraction of that time at reduced power levels. Thanks to the incorporation of IGBT technology, the flash can also reach flash durations as short as 1/9000 sec. for the ultimate in stop-action while still maintaining a steady 5700K color temperature. The S1a includes a 7" Bowens S-Type reflector, AC power adapter and a mini USB cable for firmware upgrades. - Compatibility and Firmware Updates
- In order to ensure maximum compatibility with your system, Interfit offers firmware updates for download on their website. These updates can be easily installed by the user by connecting the monolight to their computer over USB.
- S1a TTL Remote
- The S1a's TTL remotes give the users direct control over any S1 light in any shooting mode from the camera position. This camera-mounted transmitter is available for both Canon and Nikon cameras and supports E-TTL II and i-TTL protocols. Having three individual groups gives users the freedom to control lights individually to create dynamic lighting ratios with a working range of up to 300' (100 m).
- Power Supply
- The S1a ships with an AC power pack (adapter). This multi-voltage (100-240VAC) adapter can be used anywhere in the world.
- Shooting Modes
- The S1 has three different shooting modes, each to serve a different purpose and shooting style. Interfit's S1 Remote for Canon or Nikon enables photographers to take advantage of their camera's TTL system just like they would with a speedlight. This automated light output uses the S1a's entire 7 stop power range (500 - 7.8Ws), automatically calculating the light in 1/10th stop increments and allowing for +/- 3 stops of exposure compensation
- Manual Mode and High-Speed Sync
- For those that prefer to have complete control over their light and have time for fine-tuned adjustments, the S1a can be used in the traditional manual mode. Manual shooting mode also utilizes the entire 7-stop power range, controllable in 1/10th stop increments. While in manual mode, users gain access to the S1a's High Speed Sync mode, reaching shutter speeds up to 1/8000th of a second. High-Speed Sync mode utilizes the top 4 stops in the power range (500Ws - 62.5Ws) and is manually adjustable in 1/3 stop increments
- IGBT
- Utilizing IGBT technology, the S1a is able to offer short flash durations while maintaining color accuracy throughout the power range. Flash duration ranges from 1/1000 at full power, down to 1/9000 at minimum power. While shortening the flash durations, Interfit was also able to improve color accuracy, giving the S1a a consistent 5700K (+/-100K) color temperature throughout the entire power range
In the Box Interfit S1a 500Ws HSS TTL AC Powered Monolight Bowens S-Type Reflector Power Cable 13' Mini USB Cable Limited 1-Year Warranty Table of Contents
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Technical parametersInterfit S1a Specs | | | Maximum Power | 500 Ws | | Power Control | 7 Stops in 1/10-Stop Increments | | Guide Number | 160' / 48.7 m at 9.8' / 3 m, ISO100 | | Flash Duration | 1/9000 to 1/1000 Sec | | Recycle Time | 3 Sec (Full Power) | | Color Temperature | 5700K ± 100K | | Accessory Fitting Type | Bowens S Type | | | | Type | LED | | Wattage | 10 W | | Control Modes | Full On, Off | | | | Sync Type | Cable, Infrared, Optical, Radio | | Sync Speed | 1/1/250 Sec
1/1/8000 Sec (High-Speed) | | Wireless Frequency Bands | 2.4 GHz | | Wireless Range | 328' / 100 m (Radio) | | | | AC Input Voltage | 110to120 VAC, 60 Hz | | | | Display | None | | Auto Dump | Yes | | Fan Cooled | Yes | | Dimensions |
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