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Impact LiteTrek 4.0 DC Flash Head

B&H # IMLTFH MFR # 10052530
In Stock
Free Expedited Shipping
You Pay: $499.95
Product Highlights
  • 400W/s of Portable Power
  • Digitally Controlled
  • Bright LED Screen
  • Quartz Modeling Light
  • Optical Slave
  • Stroboscopic Mode
  • Full to 1/64 Power Control
  • Full Manual Control
  • Counter-balanced Stand Mount
  • Light Stand/Umbrella Mount

The Impact LiteTrek 4.0 DC Flash Head offers a wide array of advanced studio and DSLR-friendly features in a lightweight (2.6 lb) head intended for use in the field where AC power is unavailable.

Starting with strong core specs like 400W/s of power delivered promptly in 2 seconds at full power, the head offers 5 stops of output variability with action-stopping flash durations as low as 1/14000 sec.

Consistency is stressed at every stage of production, evident in the tight +/-100K tolerance in its 5500K flash tube. The Autodump feature automatically "bleeds" extra power from the capacitors when powered down.

Advanced features include Multi Mode which allows you to utilize stroboscopic technology for motion studies or sports, as well as Quick Mode which automatically powers down the flash to permit focal plane shooting at shutter speeds as short as 1/13,000 sec.

Convenience features include a removable power cord and stand mount for easy packing. The LiteTrek 4.0 requires a power source and requires the optional Impact LiteTrek (LT) Battery Pack system which offers 650 maximum power flashes or 3500 minimum power flashes on a single charge.

Scott Kelby Testimonial, the World's #1 Bestselling Author of Photography Books
"Being able to use a small, lightweight, super-portable pack like this just makes things so much easier. Being able to have studio-quality lighting on location, without hauling loads of gear around makes a big difference for anybody who thinks "less is more". Used this rig last week for a dusk shoot, and it worked like a charm and refreshed much faster than I was expecting."
400W/s of Portable, Variable Power
  • Full to 1/64 Power, 6 - 400W/s
  • 2 Seconds to full recycling
  • 650 full power flashes - 3500 1/64 power
  • Quick Mode
    FP, for "focal plane," produces a succession of flashes at a very fast speed in order to illuminate the sensor as evenly as possible when shooting with fast shutter speeds (typically above 1/250s). This series of flashes is usually not noticeable with the naked eye. When using the FP settings, be aware that the flash will output at its lowest power setting to compensate for the fast burst speeds.
    Easy Packing
    Removable stand mount and power cord for easy packing.
    Multi Mode
    Multi Mode produces a series of continuous flashes for a single exposure. These pulses of light allow you to freeze several moments of progressive motion for creative or scientific effects. Create your own Edward Muybridge-style locomotion studies.
    Multiple Triggering Options
    Use the included sync cord, optical slave or Impact or other brand radio slave.
    Compatible with Impact and Bowens Accessories
    The LiteTrek 4.0 is compatible with Impact and Bowens bayonet-mount accessories when used with the optional Impact reflector adapter (not included). (Impact# IMBAFH)
    Maximum Watt/Seconds 400
    User Replaceable Flashtube Yes
    Changeable Reflector Yes
    Circuit Protection Fused
    Modeling Light Wattage 50W
    Modeling Light On/Off Switch Yes, with auto shut-off in 10 seconds
    Protective Glass Dome No
    Fan Cooled No, convection
    Dimensions 3.5 x 3.5 x 5.5" (90 x 90 x 140mm)
    Weight 2.6 lb (1.2 kg)
    Impact LiteTrek 4.0 DC Flash Head
  • 400W/s Flash Head
  • 7" Umbrella/Grid Umbrella Reflector
  • Flashtube for LiteTrek 4.0 Flash Head
  • Modeling Lamp
  • 15.5' PC Sync Cord
  • Head Stand Adapter
  • Pistol Grip
  • 7' Coiled Battery Pack Cable
  • 10' Straight Battery Pack Cable
  • Instruction Manual
  • 1 Year Manufacturer's Warranty

    by PowerReviews
    ImpactLiteTrek 4.0 DC Flash Head

    (based on 2 reviews)

    Ratings Distribution

    • 5 Stars



    • 4 Stars



    • 3 Stars



    • 2 Stars



    • 1 Stars



    Reviewed by 2 customers

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    Good one, came with Kit

    By Shriyan

    from Tampa, FL

    About Me Pro Photographer

    Verified Buyer


    • Durable
    • Lightweight
    • Powerful


      Best Uses

      • General Use
      • Outdoors

      Comments about Impact LiteTrek 4.0 DC Flash Head:

      It came with kit.

      • Was this a gift?:
      • No

      Share this review

      (3 of 3 customers found this review helpful)


      Excelent strobe for the price!

      By Nando

      from Foster City, CA

      About Me Pro Photographer

      Verified Buyer


      • Lightweight


        Best Uses

        • Weddings/Events

        Comments about Impact LiteTrek 4.0 DC Flash Head:

        I bought this strobe as a complement of the "Impact LiteTrek 4.0 DC Monolight and Mini LiteTrek (LT) Battery Pack Kit" and it works great. My only complain is that the power cords are not long enough to use two strobes with the same battery. If you're going to use them close one to another that's fine, otherwise... you should think about a second battery.

        • Was this a gift?:
        • No

        Share this review

        Lamps /Tubes /Flashtubes

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        • Price: $549.95
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        Light Controls

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        Impact -  7" Grid Set (10/20/30/40 Degree)
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        Cables, Clamps, Cords, Tape

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        • You Pay: $59.00

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