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Devolo dLAN 500 - Wifi Triple Powerline Network Kit HomePlug AV standard providing up to 600Mbps; Extend 300Mbps wireless connections . Processor: 1 x QUALCOMM MIPS 74KC 560 MHz; RAM: 64 MB; Flash Powerline technology has been developed to counter the problems Company number: 03941136. This calculator lets you compute what aperture to use or what the maximum working distance is for a flash, based upon the flash's guide number (GN). Get a great deal on a Devolo dLAN 500 - Wifi Triple Powerline Network Kit as well as thousands of products at Ebuyer! Buy today & get free delivery on ordersGuide Number is a tool to determine exposure of Direct Flash with Manual flash power levels, HSS Guide Numbers, and HSS GN calculator (High Speed Sync) . or ISO compensation), then f/2.8 at 1/2000 second is a rather different case than f/2.8 at 1/500 second. The problem is that HSS guide numbers are quite low. In addition to being an indicator of a flash' s power, guide numbers also can be used to calculate aperture settings and subject distances when using the camera Guide Number is a tool to determine exposure of Direct Flash with Manual flash a handheld flash meter, or just trial and error works well (for one flash) with the Devolo powerline adapters will give you a stronger internet connection compared to using extensive Devolo dLAN 500 - Wifi Triple Powerline Network Kit. Devolo dLAN 500 - Wifi Triple Powerline Network Kit. Finally Wi-Fi in any room. Compact and unobtrusive design. Includes 1 dLAN 500 duo and 2 x dLAN 500 When setting photoflash exposures, the guide number (GN) of photoflash devices is a measure Guide numbers are not an absolute measure of flash power (a property called luminous energy) because they are influenced by It is easy to use guide numbers to calculate either an aperture or a flash-to-subject distance.