How much brighter are studio strobes than speedlights?

Started May 12, 2013 | Discussions thread
OP Brent Allen Thale Regular Member • Posts: 486
Re: How much brighter are studio strobes than speedlights?

Ok, I heard back from Paul Buff support on this. I don't want to cut and paste their response out of courtesy, but paraphrasing a bit, I believe they are saying my results are pretty close to what should be expected. They think the 35mm zoom setting on my SB-900 flash is not exactly matched to the 7-inch reflector on the X2400, and that is likely where I'm seeing a small unfairness to the X2400 (40 degree spread vs 80 degree).

Their guess is that the X2400 would be 11-12 times as powerful as the SB-900 if the test could be made to compare apples-to-apples exactly.

 Brent Allen Thale's gear list:Brent Allen Thale's gear list
Nikon D7000 Nikon D7100 Nikon AF-S DX Nikkor 18-105mm f/3.5-5.6G ED VR Nikon AF-S DX Nikkor 35mm F1.8G Nikon AF-S Nikkor 70-200mm f/4G ED VR +6 more
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