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Friday, February 13, 2015

Mixed lighting assignment comparing TTL Hotshoe to Studio Strobes

Nikon D4, Nikkor 85mm ƒ/1.8G, ISO 100, ƒ/1.8, 1/8000—Off camera fill-flash using the Nikon SB-900. The Flash is on the Pocketwizard TT5 and being triggered by the Mini TT1 on the Camera with the AC3 to control the output of the flash. 
Today I taught the students the difference between studio strobes using them outside for lighting and using a TTL Hotshoe flash.

I love the photo at the top with the ƒ/1.8 look.

Now all these are just the test shots to show the difference between the lights. Not so much about finding a great location–which now seeing these I should have spent more time scouting before the class to find a great background.

Click on diagram to see larger
Now before we added flash we took one photo as the light was on the subject.

Nikon D4, Nikkor 85mm ƒ/1.8G, ISO 100, ƒ/2.8, 1/1000
So this is where we started with no light, just the available light.

Nikon D4, Nikkor 85mm ƒ/1.8G, ISO 100, ƒ/11, 1/250–Off camera Alienbees B1600 powered by Vagabond.
Here for this photo we took the first photo and transferred the settings to using sync speed of 1/250. Then instead of same exposure we underexposed by -2EV.  I don't like the background as sharp as it is here.  I do like the shallow depth of field of the first photo.

Now you can see the advantages of TTL Hotshoe flashes and the advantage of the studio strobe is shooting faster [less recycle time]. 

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