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The PHOTOOLEX FK310 Camera Flash is a versatile speedlite designed for photographers who need controllable, consistent flash output. Its high-quality flash tubes provide a guide number of GN33, while the flash head is designed to distribute light evenly.
Featuring a daylight-balanced colour temperature of 5500K ±200K, the FK310 provides a consistent light source for a range of photography applications. Output can be adjusted across 22 power levels using the LCD and Fn controls.
The FK310 supports Manual, S1 and S2 optical slave modes, as well as a Multi Flash mode for creating repeated flash effects at a selected power, frequency and number of flashes.
The FK310 uses high-quality flash tubes and provides a GN33 guide number for strong, stable illumination. Its flash head is designed to distribute light evenly, while the 5500K ±200K colour temperature provides daylight-balanced output.
The FK310 offers Manual, S1 and S2 modes. Manual mode provides direct control of the flash, while S1 and S2 provide light-triggered operation. S1 follows the main flash, while S2 synchronises with the second flash from the main unit.
The FK310 does not support TTL or camera-menu setting functions.
Multi Flash mode allows the unit to fire repeatedly according to the selected output power, flash frequency and number of flashes. Output power can be adjusted using the left/right Fn buttons.
Flash output can be adjusted across 22 power levels and viewed on the LCD screen. The left/right Fn buttons provide quick adjustment of brightness and output.
The Test button fires a flash using the current settings and can also wake the unit from sleep mode. Pressing and holding the Mode and Test buttons resets the flash.
The FK310 combines straightforward manual flash control with optical slave triggering and Multi Flash functionality. Its 22-level power adjustment makes it easier to fine-tune exposure, while the LCD keeps key settings visible during use.
Compatibility
The FK310 is specified as compatible with Canon, Nikon, Panasonic, Olympus, Pentax, Fujifilm and Sony cameras with Mi Hot Shoe connections.
Specified compatible Sony models include a9, a7, a7 II, a7 III, a7R III, a7R II, a7S II, a6000, a6300 and a6500.
It is not compatible with Canon EOS Rebel SL3/250D, Rebel T7/1500D/2000D, Rebel T100/3000D/4000D, Canon EOS 200D Mark II, Canon EOS R50 or Sony a850.
No. The FK310 does not support TTL.
Yes. S1 and S2 are light-induced flash modes.
The specified colour temperature is 5500K ±200K.
The flash has 22 levels of power output control, with output adjustable from 1/128 to 1/4 in Multi Flash mode.
No. Camera-menu setting functions are not supported.
| Guide number | GN33 |
| Colour temperature | 5500K ±200K |
| Power control | 22 levels |
| Multi Flash output range | 1/128 to 1/4 |
| Flash modes | Manual, S1, S2 and Multi Flash |
| TTL | Not supported |
| Camera-menu setting function | Not supported |
Free UK Standard delivery on orders over £150.00*
| Order Date (if received before 3pm) | Cost | Latest Expected Delivery Date |
|---|---|---|
|
UK Standard (Free for orders over £150.00 offer excludes Northern Ireland & Additional Shipping Fees) |
Spend under £9.99 - £5.99 Spend under £149.99 - £3.99 Spend £150+ - Free |
2-4 Working Days |
| UK Express Delivery | £5.99 | 1-3 Working Days |
| UK Next Working Day | £8.00 | Next Working Day |
| UK Next Working Day (Guaranteed) | £15 | Next Working Day |
| UK Before 2pm Next Working Day | £18.00 | Before 2pm Next Working Day |
| UK Saturday Delivery | £30.00 | The Next Saturday |
| UK Sunday Delivery | £30.00 | The Next Sunday |
EssentialPhoto & Video is committed to the provision of quality and reliable products and outstanding customer service. Buyers are entitled to request cancellation of an order within 14 days of receipt of the goods, and are granted a further 14 days to return the item to us for a full refund.
Please be aware: Products may vary slightly from batch to batch. Images provided online are as accurate a representation as possible, however please note that the colour and design of products may vary slightly, but that this does not affect functionality.
We are able to ship from our UK based warehouses to many countries around the world. Click below to check shipping rates to your country.
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We are able to ship from our UK based warehouses to many countries around the world. Click below to check shipping rates to your country...
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