Shapes of Softboxes


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flipfreak

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Nov 26, 2007
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#1
To what extend does the shape of a softbox make any difference in the light? I only see the difference in controlling the shape of the light.
 

Xtol19

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Dec 13, 2008
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#2
Isn't that the key difference. You want the softbox to be larger than the subject, where possible.
 

catchlights

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Sep 27, 2004
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#3
the shape of the softboxe will show on the reflection surface of your subject, eg for a human, that will be the shape of catchlight.

to get effective softness of light, the size of the softbox should be the same size as your subject, eg, full length portrait using a 6ft softbox,

and also the optimum distant between the softbox and subject, the distance should be the same as the diagonal of your softbox. eg, a 3ft x 3ft softbox should place about 4ft away from your subject.

hope this help.
 

zac08

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Feb 21, 2005
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#4
To what extend does the shape of a softbox make any difference in the light? I only see the difference in controlling the shape of the light.
Good query... I personally would feel that the size is more of the key, but some may prefer a more natural round shape or mebbe hexagonal shape for the catchlights than a square or rectangular one....
 

m3lv1nh0

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Sep 24, 2007
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#5
What's the biggest softbox we can get for flashes like 580EXII? Is those Octabox useful to get rounder catchlights?
 

chalib

Senior Member
Oct 4, 2007
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#6
What's the biggest softbox we can get for flashes like 580EXII? Is those Octabox useful to get rounder catchlights?
Yeahh I would like to know as well
 

flipfreak

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Nov 26, 2007
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#7
assuming the overall volume of the softbox is the same for a square, circular and rectangular softbox, which one will be more efficient? i am guessing the round one but i see more of the square and rectangular ones being used. any special reason? cost?
 

V

vince123123

Guest
#11
You can get as big as you want, but honestly, I think using softboxes with such small flashes yield unsatisfactory results. There simply isn't enough power.

What's the biggest softbox we can get for flashes like 580EXII? Is those Octabox useful to get rounder catchlights?
 

V

vince123123

Guest
#12
Not really, the shape doesn't really matter as much as the design.

In fact, my octagonal one is faster to set up because it is designed like an inverted umbrella, whilst my rectangular ones are old school poke rods into speed ring types.

i'll hazard a guess...the square/rectangular ones are easier to set up!

and i think might also be easier to use in smaller spaces.
 

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