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<blockquote data-quote="WayneF" data-source="post: 222249" data-attributes="member: 12496">&quot;Incandescent dome&quot; threw me.&nbsp; I can imagine an orange dome that converts the flash to incandescent color, to match incandescent white balance, but I am unaware of their availability ( I have seen green ones for fluorescent).&nbsp;&nbsp; The orange filter part will drop the flash intensity to about half (one stop).&nbsp; The dome or diffuser part will drop it to about 1/4 of that remainder (two more stops).&nbsp; I think you need the light instead.&nbsp;&nbsp; If you are seeking major help from the incandescent room lighting, the filter can be necessary (there are CTO gel filters without the dome part).&nbsp; I don't think the dome is ever necessary, because these speedlights in 24mm FX zoom position will cover anything an 18mm DX lens can see, one light acting alone.&nbsp; Two lights is just that much easier.&nbsp; And you seriously need the flash power.A large group is as tough a job as any.&nbsp; There are a few impossibilities to overcome.&nbsp; <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />&nbsp;&nbsp; However there are known rules of thumb. Bounce flash helps tremendously (even lighting,&nbsp; less lighting depth falloff, no direct shadows one row on another, but it requires flash power).&nbsp; Otherwise direct lights high above camera position (to light what the lens sees, same angle, to prevent shadows of one row on another), camera also high (stepladder), rear rows also high (bleacher style rows). The height is looking down into the rows, high lighting to prevent the shadows, the camera to see all the heads. Tripods are hardly head-high, which I really don't think will be high enough.I'm sorry that I cannot help in the way you would prefer.&nbsp; I see it as a harder job.The maximum zoom of the flash is the same width coverage.&nbsp;&nbsp; 24mm FX covers about 78x60 degrees (spec chart in the rear of the flash manuals).&nbsp;&nbsp; That coverage will cover what a 24mm FX lens sees, or it will cover what a 18MM DX lens will see, but it is all the same flash.</blockquote>

[QUOTE="WayneF, post: 222249, member: 12496"] "Incandescent dome" threw me. I can imagine an orange dome that converts the flash to incandescent color, to match incandescent white balance, but I am unaware of their availability ( I have seen green ones for fluorescent). The orange filter part will drop the flash intensity to about half (one stop). The dome or diffuser part will drop it to about 1/4 of that remainder (two more stops). I think you need the light instead. If you are seeking major help from the incandescent room lighting, the filter can be necessary (there are CTO gel filters without the dome part). I don't think the dome is ever necessary, because these speedlights in 24mm FX zoom position will cover anything an 18mm DX lens can see, one light acting alone. Two lights is just that much easier. And you seriously need the flash power. A large group is as tough a job as any. There are a few impossibilities to overcome. :) However there are known rules of thumb. Bounce flash helps tremendously (even lighting, less lighting depth falloff, no direct shadows one row on another, but it requires flash power). Otherwise direct lights high above camera position (to light what the lens sees, same angle, to prevent shadows of one row on another), camera also high (stepladder), rear rows also high (bleacher style rows). The height is looking down into the rows, high lighting to prevent the shadows, the camera to see all the heads. Tripods are hardly head-high, which I really don't think will be high enough. I'm sorry that I cannot help in the way you would prefer. I see it as a harder job. The maximum zoom of the flash is the same width coverage. 24mm FX covers about 78x60 degrees (spec chart in the rear of the flash manuals). That coverage will cover what a 24mm FX lens sees, or it will cover what a 18MM DX lens will see, but it is all the same flash. [/QUOTE]

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