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<blockquote data-quote="yauman" data-source="post: 279153" data-attributes="member: 15418">Unfortunately the D5100 do not have High Speed Sync (Nikon calls it FP mode).&nbsp; Your D5100 have a max sync speed of 1/200 sec.&nbsp; You have to go to the Flash Sync setting to select it to be 1/200 (and leave it there.)&nbsp; I think it defaults to Auto.Now to make use of it, you have to shoot in manual mode which for the Nikon CLS System is very simple.&nbsp; Think of transferring the Auto function from the camera to the Flash.1. Set ISO to 100 or 2002. Set Shutter speed to 1/2003. Adjust aperture for the DOF you like for the shot.&nbsp; Now shoot!What the CLS system does is it will send a &quot;pre-flash&quot; and the camera will read the light condition set up by the flash. The camera will than tell the flash what power to use - that's how the exposure is made - so when you shoot &quot;manual&quot; with the SB700 in TTL mode, you are really shooting &quot;auto&quot; - but the auto is done by the speedlight.&nbsp; Hope that makes sense. Because of this &quot;pre-flash&quot; way to determine exposure, you can point your flash head in any directions to get good soft bounced lighting - to the ceiling, to a wall behind your or point it to a reflector etc.Adjustments: up the ISO if image too dark.&nbsp; Or to change exposure of image, change Flash ev offsets + or -[ATTACH]78114[/ATTACH]</blockquote>

[QUOTE="yauman, post: 279153, member: 15418"] Unfortunately the D5100 do not have High Speed Sync (Nikon calls it FP mode). Your D5100 have a max sync speed of 1/200 sec. You have to go to the Flash Sync setting to select it to be 1/200 (and leave it there.) I think it defaults to Auto. Now to make use of it, you have to shoot in manual mode which for the Nikon CLS System is very simple. Think of transferring the Auto function from the camera to the Flash. 1. Set ISO to 100 or 200 2. Set Shutter speed to 1/200 3. Adjust aperture for the DOF you like for the shot. Now shoot! What the CLS system does is it will send a "pre-flash" and the camera will read the light condition set up by the flash. The camera will than tell the flash what power to use - that's how the exposure is made - so when you shoot "manual" with the SB700 in TTL mode, you are really shooting "auto" - but the auto is done by the speedlight. Hope that makes sense. Because of this "pre-flash" way to determine exposure, you can point your flash head in any directions to get good soft bounced lighting - to the ceiling, to a wall behind your or point it to a reflector etc. Adjustments: up the ISO if image too dark. Or to change exposure of image, change Flash ev offsets + or - [ATTACH=CONFIG]78114._xfImport[/ATTACH] [/QUOTE]

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