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Need help on night photoshoot
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<blockquote data-quote="WayneF" data-source="post: 332599" data-attributes="member: 12496"><p>Your flash is off camera, which is normally a good thing, but the large majority of radio triggers are manual flash only. So (generally) the only way TTL will work off camera is to use the D90 Commander (in internal flash) to trigger it. That would work for these pictures (if the flash model can support it), and you can set the MODE of the built in flash to be "- -" mode (in the commander menu) to disable its contribution to the lighting. </p><p></p><p>Or - the flash on a hot shoe extension cord (Nikon SC-28 for example) could do TTL off camera. but the cords are not real long. Perhaps often long enough.</p><p></p><p>Manual flash is not difficult though, since you can easily see what it did (on the camera rear LCD), and then you correct its power level better and do it again. And maybe again. You can easily make it perfect. The easy trick is that once you get it set up right for the situation, then more shots in the same situation work fine too.</p><p></p><p>Picture 1,2,3 are off camera flash (of various flash exposure degree, but ambient is a little brighter). 2 is pretty good, the off camera flash is about right (very slightly bright), and its angle provided a little modeling shading on the face, which really improves it over what on camera direct flash could have done. You were trying to also expose the background with the ambient lighting, which 2 achieved well, but everything else is all so variable. </p><p></p><p>4 and 5 mostly just need a little more flash exposure. And all the last half of them too. Work on more consistency. These are difficult situations you are trying, you cannot expect to get them right on first try. But you can see the immediate result on the camera rear LCD, and when too dark, you can increase exposure (flash power) and try again. Seeing and paying attention to what you are doing works wonders. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> You were trying various different and difficult things in the night time shots, but the final one begs for a little more flash exposure. You can boost this one in post processing. Lowering Adobe Levels White Point (to about 2/3 scale) is the easy way on this one.</p><p></p><p>Ken Rockwell is another discussion. He usually gets facts right, but his opinions are so bizarre. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> If trying to expose the dark ambient, a wider lens could help, but the lens, like the 35-70, would NOT be your biggest problem. Nikon flashes generally have a focus assist light that really helps focus in dark places if on the hot shoe, but off camera, would need the SC-28 cord to enable the light, and then it would need serious attention to get it aimed at the focus point.</p><p></p><p>These are difficult situations that you are trying, and there are alternatives, but the best trick is to watch what you are doing (your results), and don't hesitate to make changes and try it again. You can always vastly improve it. It is only a matter of caring and trying.</p></blockquote><p></p>
[QUOTE="WayneF, post: 332599, member: 12496"] Your flash is off camera, which is normally a good thing, but the large majority of radio triggers are manual flash only. So (generally) the only way TTL will work off camera is to use the D90 Commander (in internal flash) to trigger it. That would work for these pictures (if the flash model can support it), and you can set the MODE of the built in flash to be "- -" mode (in the commander menu) to disable its contribution to the lighting. Or - the flash on a hot shoe extension cord (Nikon SC-28 for example) could do TTL off camera. but the cords are not real long. Perhaps often long enough. Manual flash is not difficult though, since you can easily see what it did (on the camera rear LCD), and then you correct its power level better and do it again. And maybe again. You can easily make it perfect. The easy trick is that once you get it set up right for the situation, then more shots in the same situation work fine too. Picture 1,2,3 are off camera flash (of various flash exposure degree, but ambient is a little brighter). 2 is pretty good, the off camera flash is about right (very slightly bright), and its angle provided a little modeling shading on the face, which really improves it over what on camera direct flash could have done. You were trying to also expose the background with the ambient lighting, which 2 achieved well, but everything else is all so variable. 4 and 5 mostly just need a little more flash exposure. And all the last half of them too. Work on more consistency. These are difficult situations you are trying, you cannot expect to get them right on first try. But you can see the immediate result on the camera rear LCD, and when too dark, you can increase exposure (flash power) and try again. Seeing and paying attention to what you are doing works wonders. :) You were trying various different and difficult things in the night time shots, but the final one begs for a little more flash exposure. You can boost this one in post processing. Lowering Adobe Levels White Point (to about 2/3 scale) is the easy way on this one. Ken Rockwell is another discussion. He usually gets facts right, but his opinions are so bizarre. :) If trying to expose the dark ambient, a wider lens could help, but the lens, like the 35-70, would NOT be your biggest problem. Nikon flashes generally have a focus assist light that really helps focus in dark places if on the hot shoe, but off camera, would need the SC-28 cord to enable the light, and then it would need serious attention to get it aimed at the focus point. These are difficult situations that you are trying, and there are alternatives, but the best trick is to watch what you are doing (your results), and don't hesitate to make changes and try it again. You can always vastly improve it. It is only a matter of caring and trying. [/QUOTE]
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