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Profoto Acute/D4 Ringflash

BH #PRARF • MFR #330514
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Profoto Acute/D4 Ringflash
Key Features
  • Compatible With Acute and D4 Packs
  • Optional Reflectors
  • 4.0" Internal Diameter
  • Camera and Stand Mount
The Profoto Acute/D4 Ring Flash Head is soft light source that encircles the lens and supports the camera via the included mount. The head is compatible with Acute and D4 power packs.
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Profoto Acute D4 Ringflash Overview

The Profoto Acute/D4 Ring Flash Head is soft light source that encircles the lens and supports the camera via the included mount. The head is compatible with Acute and D4 power packs.

Popular with fashion photographers, the Acute/D4 Ring is renowned for its unique catchlights, soft, flat output, nearly shadowless quality of light at a distance and haloed shadows when close to a background. The head employs a safety glass cover for its ozone-free quartz UV-coated flash tube which has a capacity of 2,400W/s and 9,600W/s per minute of continuous firing.

The Acute/D4 Ring ships with a glass safety cover and a 13' power cable. Optional accessories include Softlight, Close-up and WideSoft Reflectors.

Features
  • Can be stand mounted or have camera mounted to it
  • Creates a direct light without harshness
  • Signature catchlights
  • Very safe to use thanks to the reduced UV flash tube and arc-proof connector
  • Compatible with a number of dedicated light shaping tools

    • Profoto Acute D4 Ringflash Specs

    Type
    Circular flash tube with protective glass
    Compatibility
    Acute and D4 generators
    Capacity
    2400W/s
    Up to 9,600W/s per minute
    Light Intensity Output
    At 2,400W/s at 6.6' (2.0 m) @ ISO 100:

    f/32.6 without reflector
    f/22 with optional diffuser
    f/45.4 with optional Pro Ring Softlight Reflector
    f/45 with optional Pro Ring Close-Up Reflector
    f/22.1 with optional Pro Ring WideSoft Reflector
     
    Fan
    No
    Fuse
    3.15 AT
    User Replaceable Flashtube
    No
    Changeable Reflector
    Optional reflectors available
    Cable Length
    13' (4.0 m)
    Modeling Light Wattage
    No modeling lamp
    Dimensions
    Interior diameter: 4.0" (10 cm)
    Exterior diameter: 8.6" (22 cm)
    Overall: 7.75 x 8.25 x 9.0" (20 x 21 x 23 cm)
    Weight
    4.85 lb (2.2 kg) including camera mount
    Packaging Info
    Package Weight
    5.35 lb
    Box Dimensions (LxWxH)
    10.2 x 9.1 x 8.9"

    Profoto Acute D4 Ringflash Reviews

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