Comparing electronic flash to LED lighting

Started 3 months ago | Discussions thread
Ellis Vener
OP MOD Ellis Vener Forum Pro • Posts: 16,337
Re: Comparing electronic flash to LED lighting
1

KE_DP wrote:

1/30th or 1/60th second and a fixed ISO, using the LED light source at full power determine the right f-stop for a good exposure.

Only reading through quickly but this caught my eye - why such slow shutter speeds? For something like portrait photography, it takes a faster shutter - especially hand held. I have some LEDs arriving this week to experiment with.

why 1/60th or 1/30th because at shorter shutter-speeds? 
It’s not about banding; any decently made LED light made for motion or still photography is going to be flicker-free. 
1/60th appears to be the point where the advantages of both types of constant light and flash are closest to each other. A longer exposure favors the constant light and a shorter exposure (up to the x-sync limit of most cameras).

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