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Cactus AF45 Auto Electronic Flash for Nikon DSLR
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Cactus AF45 Auto Electronic Flash for Nikon DSLR

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The Cactus AF45 flash combines solid performance, comprehensive features with a competitive price. The following are some of the outstanding features of this flash:

Fully supports Nikon i-TTL, the advanced programming and computerized circuitry of the flashgun provide correct amount of flash light output according to the cameras exposure measurement through the lens. If you prefer quick shooting and automatic flash power control, then the TTL mode of the Cactus AF45 is just for you.

Manual Flash Power Control
For those who usually opt for manual power control, then 5 level of "Power Ratio" (full power, 1/2, 1/4, 1/8 and 1/16) could be selected in M (manual) mode. The LC display automatically shows the flash-to-subject distance required for correct exposure.

Wireless slave
The light sensor of the flash supports wireless slave mode. When light from an external source is detected, the flash will be triggered. Power output can be controlled manually too.

The above are only some of the features of the Cactus AF45. Below is a list of its other functions:

  • Automatic shutter speed setting
  • Red focus assist beam
  • Illuminated LCD display
  • Flash readiness display in cameras viewfinder
  • Adjustable flash head (vertically 90 degrees, horizontally 270 degrees)
  • Front and rear curtain synchronization
  • Red eye reduction
  • Built-in reflecting plate and diffuser
  • Power saving function
For greater flexibility and creativity, use the Cactus AF45 with our Cactus V4 wireless flash trigger and place the flash at any angle and greater distance from your subject. The lighting effects you can create will be endless!

This flash model is also compatible with the Cactus V6 Wireless Flash Transceiver so its power output can be remotely controlled and flash can be triggered up to 270 meters away.

Apart from its range of functions, the Cactus AF45 offers solid performance too (refer to technical spec below). The Cactus AF45 flash offers great value for money. Purchase one for your photography setup today!


  • Cactus AF45 Auto Electronic Flash for Nikon DSLR;
  • Compatible with
    • Nikon D7000, D5100, D5000, D3200, D3100, D3000, D800, D700, D600, D300, D300s, D200, D90, D80, D70s, D70, D60, D50, D40x, D40, D3, D3x;
    • Nikon Coolpix 4500, 5000, 5400, 5700, 8400, 8700, 8800, P5000, P6000, P7000, P7100, P7700;
    • Fuji FinePix S5 Pro, FinePix IS Pro;
  • Supports Nikon i-TTL;
  • Guide number 45 m / 148 ft (at 85mm focal length and ISO100);
  • Fully compatible with Cactus V4 wireless flash trigger set;
  • Power source: 4 x AA alkaline batteries (NOT INCLUDED);
  • Adjustable output power in manual mode at full power, 1/2. 1/4, 1/8 and 1/16;
  • Flash duration 1/1,000  1/20,000 second;
  • Recycling time: 0.5-9 seconds;
  • Package Includes:
    • Cactus AF45 Auto Electronic Flash for Nikon DSLR x1;
    • Soft Pouch, x1;
    • English user manual x1;
  • Net weight: 490g;
  • Brand new, never been used.
  • One Year Manufacturer Warranty.

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We’re Closing!

Gadget Infinity started almost a decade ago, sourcing the best price-performance photographic and two-way radio gear for fellow photography enthusiasts. It has been a wonderful journey sharing the many location portrait techniques with you on our YouTube channel. Over the years our passion in flash photography grew so much that we ventured into creating our own wireless flash triggering system – Cactus.

Starting next month, we will be putting all of our time and effort into product development at Cactus so we will be closing our operation at Gadget Infinity on August 30, 2016. Rest assured, the 30-day return policy still applies on your orders made on or before the date of our store closure. If you have any questions or concerns, please contact us at service@gadgetinfinity.com.

It will be a good bye but not a sad one as we will still stick around. Come visit us at

Thank you again for your support over the years and best wishes!

From everyone at Gadget Infinity.

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