SPREADSHEET q ý¿€ÿ¿€ þ¿€d A  ÿ¿€š™™™™™@   :‚.ÆA  B#†6ÐÐÿÿððROM::PSAPPLE.WDR%PÈhðÈ<Jÿ4Spreadsheet to help you taking better pix with flashJÿ Guide numberJÿFilm speed (ISO)JÿWorking apertureJÿ Maximum Distance (m)Jÿ Minimum Distance (m) Kq! Kqd KÍ€0@ͼœ‚—Sð @ Kq! KqÈ Kͪ5³Y£U7@Í{;sp @ Kq! Kq KÍ€@@ͼœ‚—Sð@ Kq! Kq  Kͪ5³Y£UG@Í{;sp #@ Kq! Kq@ KÍ€@@ͼœ‚—Sð@ Kq Kqd KÍ@ͶmÛ¶mÛö? Kq  KqÈ  K ÍRT¯™ŠÌ#@ Ͷ*í¶•)@ Kq  Kq I @ Í @ ͇ÆúÐXú? Kqd  Kq`   K ÍÙCNÿ]ž~@ Í8¿öŪþX@ Hq Hq H H H ZÿTechnical terms: Hq H H HLJÿDGuide number classifies an individual flash unit specified by power.hqhhhhq<Jÿ4GN less than 16 is used for built in pop-up flashes.hhhhqWJÿOGN 16 - 30 Small cordless flashes for individual portraits and fill-in lightinghhhhqbJÿZGN 32 - 40 Mid-range for relatively large objects, bounce flashes with extensive functionshhhhqRJÿJGN 42 - 50 Top range for handle-mount flashguns with extensive accessorieshqhqhqhq>Jÿ6GN 60 Sophisticated flash units for professional usershqhqhqwJÿoThe film speed is the light sensitivity of a given film. The higher the film speed the more sensitive the film.hqhqhqhqhq'JÿISO 50 for portrait photographyhqhqhqhq,Jÿ$ISO 100 for general outdoor purposeshqhqhqhq7Jÿ/ISO 200 and 400 cloudy outdoor, twilight indoorhqhqhqhq+Jÿ#ISO 800 for fast action photographyhqhqhqhq9Jÿ1ISO 1600 and up for star phottography or whateverhqhqhqlJÿdWorking aperture control the amount of light passes through the lens by open it only to a given gap.hqhqhqhqhq[JÿSIt varies from camera to camera so it is better check your manual for more details.hqhqhqRJÿJMaximum and minimum distance is the lenght from your camera to the object.hqhqhqhqXJÿPThis is the range the flash works fine and results a properly exposured picture.hqhqhqhqhqhqhqhqhq)Jÿ!Spreadsheet by Endre Korcs k 1998hqhqhqhq8 Jÿ0Please contact me with any improvements/comments hq hq hq hq&!JÿEMail: endi@gaia.martos.bme.hu!hq!hq!hq!hq"hq"hq"hq"hq#hq#hq#hq#hq#hq$hq$hq$hq$hq$hq%hq%hq%hq%hq%hq&hq&hq&hq&hq&hq