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Bokeh???


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#1 okuma

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Posted 05 January 2013 - 10:20 PM

Is it possible to achieve a 'bokeh' background when shooting video underwater?
Any one have a sample clip?
Underwater Photography:
If it is so easy every one would be doing it!

Nikon D 7000, Subal Housing, Inon Z 240 strobes.

#2 Interceptor121

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Posted 06 January 2013 - 06:12 AM

Is it possible to achieve a 'bokeh' background when shooting video underwater?
Any one have a sample clip?

Bokeh needs shallow depth of field that is a combination of wide aperture and large sensor size
Camcorders have small sensors and don't produce good bokeh
DSLR users would be able to produce something more easily you may want to search Vimeo or YouTube

#3 MortenHansen

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Posted 06 January 2013 - 10:06 AM

Hi there Okuma,

Use some powerful diopters (maybe a +10) and zoom in.
Blurred backgrounds are more easily achieved at longer focal lengths (zoomed in) and when focusing to a subject close to your lens.
Even though the camcorders have smaller sensors you should be able to get some nice bokeh.

Best regars, Morten

#4 Interceptor121

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Posted 06 January 2013 - 10:51 AM

Just reading he has a Nikon D7000 he can definitely do bokeh!

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#5 MortenHansen

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Posted 06 January 2013 - 09:52 PM

Oops, missed that one as well!

If you're shooting DSLR video then you're gonna wish you had less bokeh once you start shooting macro! :P

Get yourself a 60/105mm macro, shoot aperture 5.6-8 and get close, then you'll have lots of real nice bokeh :)

#6 thani

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Posted 07 January 2013 - 01:11 PM

Hi Okuma,

These shots were not planned in advanced for pokeh effect.The camer used was Sony FS700.
And lens used was Carl Zeiss 24/1.8 in auto iris, auto focus mode hence the housing has no manual controls for such functions.
This why it was left to the lens, the lighting and the composition.

This is the link:
http://www.youtube.com/watch?v=8hBH_-msofM
I hope this can help Posted Image

Regards,
Thani
Best Regards,
Thani

#7 okuma

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Posted 07 January 2013 - 04:31 PM

Question answered - thanks to all who responded.
Underwater Photography:
If it is so easy every one would be doing it!

Nikon D 7000, Subal Housing, Inon Z 240 strobes.

#8 Steve Douglas

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Posted 08 January 2013 - 03:09 PM

Here's a pretty good tutorial for doing this topside....http://www.youtube.com/watch?v=qPcdWxhLwoA

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