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Photogenic StudioMax III 320 Watt/Second Radio Slave Monolight (120VAC/12VDC)

B&H # PHSM3320BR MFR # 906944
Photogenic StudioMax III 320 Watt/Second Radio Slave Monolight (120VAC/12VDC)


Special Order
Ship Time: 7-14 business days 
Free Standard Shipping
Not eligible for free Expedited Shipping

Product Highlights

  • DC-Capable, Constant Color
  • Reflector, Sync Cord

You Pay: $389.95

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The Photogenic StudioMax III AKC320BRconstant color monolight with built-in radio slave offers a full six f/stop power range over 320 watt/seconds. It has internal control to ensure the same Kelvin temperature output, no matter what level of output is chosen, hence the name Constant Color.

This light is an excellent choice as a main, secondary, or background light. Since it accepts the entire line of the PowerLight reflectors, grids, snoots, and diffusers, the StudioMax III is a good investment.

This monolight is capable of operating with its optional battery pack (AKB-1) -- or by select models from other manufacturers -- for working outdoors away from AC power. A fully charged battery pack will usually provide 150 flashes.

Six F-Stop Power Range
Dial provides infinite flash power settings, from full to 1/32 power.
Built In Radio Slave
Fires without wires between your camera and unit, when used with an optional Photogenic Radio Slave Transmitter. It also has a highly sensitive, switchable optical slave for synchronization with other flashes.
Modeling Light
Independently Switched, to aid in positioning and focus.
User Replaceable Flashtube
No tools are required to replace the "plug & play" flashtube.
Compact Design
Easy to transport -- umbrella socket and stand mount are built on.
Maximum Watt/Seconds 320
Guide Number 170 @ 100 ISO with 7.5" reflector
Recycle Time Minimum 0.02 sec, maximum 3 sec @ full power
Flash Duration 1/4800 sec @ min power, 1/120 sec @ max power
Flash Variability 6 f/stops, full to 1/32 power, 320 to 10 w/s
User Replaceable Flashtube Yes (C412C)
Changeable Reflector Yes
Modeling Light Wattage 100 (ESR) AC only
Voltage Stabilization Yes, +- 0.05 f/stop
Flash Ready Indicator LED
Operating Voltage 105-125VAC, 60Hz, 5A
Sync Voltage Not Specified by Manufacturer
Built-in Slave Cell Yes - Radio and Optical
Circuit Protection 8A Fuse
Fan Cooled No
Auto Dump No
Dimensions 5.25 x 5.25 x 7" (13 x 13 x 17.8 cm)
Weight 2.5 lbs (1.1 kg)
Photogenic StudioMax III 320 Watt/Second Radio Slave Monolight (120VAC/12VDC)
  • C4-12C Flashtube for FLC200 & FLC300 Strobe Lights
  • ESR Lamp - 100 Watts/120 Volts
  • 7-1/2" High Gain Reflector
  • PC to Mini Sync Cord - 10' (3m)
  • AC Power Cord
  • Turbo Style DC Power Cord
  • One Year Manufacturer's Warranty
  • Note: Battery Pack not included


    by PowerReviews
    PhotogenicStudioMax III 320 Watt/Second Radio Slave Monolight (120VAC/12VDC)

    (based on 2 reviews)

    Ratings Distribution

    • 5 Stars



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    • 1 Stars



    Reviewed by 2 customers

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    Works as intended

    By kl

    from Fairfax, VA

    About Me Photo Enthusiast

    Verified Buyer


    • Durable
    • Good Color Value


      Best Uses

      • Indoors
      • Low Light

      Comments about Photogenic StudioMax III 320 Watt/Second Radio Slave Monolight (120VAC/12VDC):

      I use this for home portraits and it works just like i need. Very easy to use and set up. I have no prior experience with studio lighting and was able to use this almost immediately.

      • Was this a gift?:
      • No

      Share this review

      (4 of 5 customers found this review helpful)



      By billccsi

      from Fort Worth, TX

      About Me Semi-pro Photographer

      Verified Buyer


      • Attach Securely
      • Good Color Value


        Best Uses

        • General Use
        • Indoors
        • Outdoors
        • Special Events

        Comments about Photogenic StudioMax III 320 Watt/Second Radio Slave Monolight (120VAC/12VDC):

        For the price, this is a great light. I use this as the main in a four light setup, (all StudioMax III). With the built-in radio receiver, I have no sync cords to worry about. The rest are optically slaved to the main.

        For my small portrait studio, 320 WS is plenty of power.

        The ability to go battery powered is also a real plus. The unit is light enough to be easily used for fill light in any outdoor situation.

        the constant colr output allows me to set my white balance to the light temp, and not have to adjust as I lower the output on any light.

        I haven't had these long enough to know how they hold up, but so far... I really like these lights.

        Share this review

        Lamps /Tubes /Flashtubes

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        Be prepared with additional backup lamps and flashtubes.

        Impact - ESR Lamp (100W, 120V)
        • You Pay: $6.49

        Light Controls

        See more

        Modify the quality and direction of light with light-shaping tools.

        Photogenic - Quick Change Background Reflector
        • You Pay: $78.48

        Umbrellas & Softboxes

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        Use umbrellas and softboxes to create pleasing, diffused lighting.

        Impact - Umbrella - White - 30"
        • You Pay: $9.95

        Color Correction & Light Balancing

        See more

        Use color correction to achieve good color balance in your images.

        Impact - Universal Filter Holder - 12x12" (30.5 x 30.5 cm)
        • You Pay: $39.95
        Back-ordered ?
        This item is backordered by the manufacturer. Order now and we'll deliver when available. Your account will only be charged when we ship the item.
        PayPal Orders
        PayPal orders will be charged when the order is placed.
        International Orders
        For international orders, credit cards will be charged at time you place your order.

        Cables, Clamps, Cords, Tape

        See more

        Purchase cords and cables for connecting components.

        Photogenic - PC to Mini Sync Cord - 10' (3m)
        • You Pay: $10.99

        Light Stands & Accessories

        See more

        Position your light safely and securely with a support accessories.

        Impact - Light Stand, Black (6')
        • You Pay: $19.99

        Slave and Remote Units

        See more

        Fire cameras and light setups remotely.

        Smith-Victor - RTK-4 Radio Trigger Set
        • You Pay: $79.95
        View all Accessories
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