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Thread: Why 2 strobes?

  1. #1
    Grouper
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    Why 2 strobes?

    I'll be getting a strobe and a focus light for this underwater setup and during my search, I've found that people opt for 2 strobes with a camera setup. Why is that? Don't they need a focus light?

  2. #2
    Dominus Diabolus Urinatoris ST-Forum Mod DevilDiver's Avatar
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    Two strobes are not needed but there are many situations where two will produce a more even lighting and cover a larger area (Ex: for wide angle).

    For macro, with a direct strobe position over the top of the system you can usually light the subject well enough with one strobe but a second strobe could allow you more lighting options in reducing shadows or giving texture to a close up subject. For portrait style photos a single strobe could produce strong shadows where a second will allow you to "fill in" these areas, some times this is a more desired look unless you are going for something dramatic. For wide angle a second strobe can be a bigger factor allowing you to light a larger area giving you a more even coverage and natural look or you can use the first strobe on a higher setting for the main area of focus and then the second at a lower setting as fill light for close focus/wide angle shots.

    A focus light is also a good investment, usually this is most needed for close up/macro shots because of the higher f/stops used, without your camera may have issues focusing on the subject. A focus light is also needed for any low light or night dives. Light from a focus light usually does not effect the photo, it only helps the camera detect contrast for better/quicker focus, the strobes provide light for exposure and freezing action in the photo.

    If you are starting out a single strobe is fine, use it, learn it and experiment with power settings and positions. Eventually you will find to strengths and weaknesses of the single unit, if you feel you want a second strobe to expand your photos opportunities and options then go for it.
    DevilDiver

  3. #3
    Grouper
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    Ahh, ok. Thanks DD, as always.

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