Guides & Tutorials

Setting the Inon S-2000 with Your Camera

The S-2000 has been one of the most popular strobes in the market since it was released, in 2009 by Inon.

Setting it up is fairly simple, but you do need to understand what each setting means, and make sure it’s set up the RIGHT way, according to your camera settings. Especially that darn magnetic switch that keeps getting lost!

The first thing you need to know is what the magnetic switch does.

The Magnet Switch is the little screw and magnet that came with the strobe. It fits in the hole on the right side of the back of the strobe.

Inon S-2000

Basically, if your camera flash outputs a preflash, the  magnetic switch should be REMOVED. If your camera flash does not output a pre-flash, the magnetic switch should be INSTALLED.

Preflash – Magnet Switch Removed.

No Preflash – Magnet Switch Installed.

What is preflash?

Preflash is a quick and weak flash, fired before the main flash, which is used to determine the amount of light needed from the main flash. You cannot notice the preflash as both of the flashes fire very fast, too fast for the human eye can distinguish between them.

A preflash is NOT the Red-Eye flash, which can be activated on most cameras. That’s a whole different flash designed to contract your pupil before the actual photo.

Option 1: TTL

  • Set the S-2000 on S-TTL mode, and the power knob on B, leave the magnet switch removed.
  • The camera should be on manual – M mode, make sure the flash setting on the camera is on Auto.
  • To verify that it works, shoot the same photo with the same settings – shutter speed on 1/2000, ISO 125, changing only the aperture between f/2.8 and f/11.
  • Make sure you take a photo of something rather neutral, not a white wall or black subject.
  • If the exposure is the same between the two images – TTL is set up properly!

Option 2: Manual Flash Output

  • Set the S-2000 on M manual mode, the power knob on the strobe can be changed to set the power – between -5.5 and full (blue labels).
  • The camera should be set on manual – M mode, with the flash setting* on manual – minimum.
    * On Canon cameras, to set the flash mode, press the right side of the rear control dial, then press Menu. With Sony compacts there is no manual flash, so set the flash exposure compensation to minimum.
  • Magnet switch depends on whether or not you can set your built-in flash manually or not.
    If you can set the actual power of the built in flash manually, the magnet switch should be in.
    If you can’t set the power of the flash (like in the Sony RX100), magnet switch should stay out.
  • This will allow complete manual control over the flash, and you can adjust the power dial on the strobe to make it brighter or darker as needed.
Magnet Switch – Note that the magnet switch should be installed when the flash setting in the camera is on manual, and removed when the flash setting is on Auto.
This is relevant for all camera modes.
Also make sure Red Eye reduction is turned OFF.
UPDATE: Set up your Inon S-2000 strobe with the Olympus TG-5 / TG-4 cameras:
  • Set the S-2000 on S-TTL mode, and the power knob on B, leave the magnet switch removed.
  • The camera should be on aperture priority – A mode, make sure the flash setting on the camera is on Fill-In.
  • To verify that it works, shoot the same photo with the same settings – ISO 100, changing only the aperture between f/2 and f/8.
  • Make sure you take a photo of something rather neutral, not a white wall or black subject.
  • If the exposure is the same between the two images – TTL is set up properly!
These settings help you set up the S-2000 with most compact cameras, as well as some mirrorless ones.
If this is not working out for you, shoot me an email to ran@housingcamera.com and I’ll try to help out!

Ran Mor
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Ran Mor

Sales and Marketing at Mozaik Underwater Cameras
Ran is a professional photographer for over 14 years. His passion for scuba diving and photography has pushed him to combine his profession and hobby and become a professional underwater photographer. Teaching is one of his greatest passions and over the years he has shared his experience with many divers and aspiring photographers. Along with his wife Danielle, an experienced Scuba Instructor, they have founded Dive and More, leading dive trips and UW photo workshops all over the world. Ran is also an electrical engineer and an avid internet marketing specialist.
Visit his personal portfolio at www.ranmorphoto.com.
Ran Mor
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4 comments

  1. Jun de Leon July 16, 2017

    Would the Inon Z-2000 work at any speed?
    I shoot macro.
    I’m a newbie.
    Thank you.

  2. Ran Mor
    Ran Mor July 17, 2017

    Hi Jun!

    The S-2000 would indeed work at any speed.
    However, the shutter speed limitation comes from the camera, AKA Maximum Flash Sync Speed. Mirrorless and DSLR cameras use a mechanical shutter, which limits you to 1/160s – 1/250s (depending on the camera model), when using a flash.
    You can read more about it here:
    http://www.housingcamera.com/blog/guides-tutorials/dslr-housings-too-expensive-for-you-here-are-some-alternatives#flashsync

  3. Carlos O. September 6, 2017

    I always use them in manual mode with my S95. This is the best way??

  4. Ran Mor
    Ran Mor September 6, 2017

    Hi Carlos!

    I personally prefer using manual mode as well. TTL makes it easier for beginners to take their mind off of strobe intensity, but judging from your instagram, it looks like you’re doing a great job so no reason to switch from manual to TTL 🙂

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