{"product_id":"photoolex-fk310-speedlite-camera-flash","title":"FK310 Manual Speedlite Camera Flash","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 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.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFeaturing 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.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 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.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0628\/6943\/8707\/files\/cameraflash-photoolex-FK310-detail-01.webp?v=1789051050\" alt=\"PHOTOOLEX FK310 speedlite flash detail view\"\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003e\u003cspan\u003eWho this is for\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePhotographers using compatible Canon, Nikon, Panasonic, Olympus, Pentax, Fujifilm and Sony cameras\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUsers who want manual control over flash output\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePhotographers working with optical slave triggering\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCreative photographers using repeated-flash effects\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShooters who do not require TTL or camera-menu flash control\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eAt a glance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGN33 guide number\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e5500K ±200K colour temperature\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e22 levels of power output control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManual, S1 and S2 flash modes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMulti Flash mode\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutput range from 1\/128 to 1\/4\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLCD display\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTest flash button\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompatible with a range of Mi Hot Shoe cameras\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eHow it works \/ component breakdown\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003ePowerful, consistent flash output\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 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.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eManual and optical slave modes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 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.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe FK310 does not support TTL or camera-menu setting functions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMulti Flash mode\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eMulti 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.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0628\/6943\/8707\/files\/cameraflash-photoolex-FK310-detail-03.webp?v=1789051075\" alt=\"PHOTOOLEX FK310 Multi Flash mode controls\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e22-step power control\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFlash 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.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTest and reset controls\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 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.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy choose the FK310?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 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.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eIdeal uses\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePortrait photography\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStudio and location photography\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManual flash setups\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMulti-flash creative effects\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOff-camera optical slave setups\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGeneral photography with compatible cameras\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0628\/6943\/8707\/files\/cameraflash-photoolex-FK310-detail-04.webp?v=1789051096\" alt=\"PHOTOOLEX FK310 camera flash compatibility\"\u003e\u003c\/span\u003e\u003cspan\u003eCompatibility\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe FK310 is specified as compatible with Canon, Nikon, Panasonic, Olympus, Pentax, Fujifilm and Sony cameras with Mi Hot Shoe connections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSpecified compatible Sony models include a9, a7, a7 II, a7 III, a7R III, a7R II, a7S II, a6000, a6300 and a6500.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot compatible\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 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.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFAQs\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eDoes the FK310 support TTL?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNo. The FK310 does not support TTL.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan the flash be used as an optical slave?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes. S1 and S2 are light-induced flash modes.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the colour temperature?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe specified colour temperature is 5500K ±200K.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHow much output control does it provide?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe flash has 22 levels of power output control, with output adjustable from 1\/128 to 1\/4 in Multi Flash mode.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes it support camera-menu flash settings?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eNo. Camera-menu setting functions are not supported.\u003c\/span\u003e\u003c\/p\u003e","brand":"PHOTOOLEX","offers":[{"title":"Default Title","offer_id":62570406117763,"sku":"PHO-FS-FK310","price":47.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/6943\/8707\/files\/PHO-FS-FK310-PHOTOOLEX-FK310-GN33-ANUAL-SPEEDLITE-03.webp?v=1789051738","url":"https:\/\/www.essentialphoto.co.uk\/products\/photoolex-fk310-speedlite-camera-flash","provider":"EssentialPhoto \u0026 Video","version":"1.0","type":"link"}