Increase Dof

General questions about Indigo, the scene format, rendering etc...
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space
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Increase Dof

Post by space » Wed Nov 17, 2010 11:51 pm

This image is an F-Stop: 0.5 (blendigo)
im1289990419.jpg
Film Whidth: 35
Film ISO: 100
Exposure: 125
Focus distance: small ball (13.5)


Is there any way to further increase the DOF?

Greetings

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dakiru
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Re: Increase Dof

Post by dakiru » Thu Nov 18, 2010 12:11 am

Hi,

check your Camera settings in Blendigo and turn off Autofocus if it's turned on. Then select the object you would like to have in focus on and click Selected to get the distance from the object you've selected.

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pixie
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Re: Increase Dof

Post by pixie » Thu Nov 18, 2010 12:40 am

space wrote:This image is an F-Stop: 0.5 (blendigo)
im1289990419.jpg
Film Whidth: 35
Film ISO: 100
Exposure: 125
Focus distance: small ball (13.5)


Is there any way to further increase the DOF?

Greetings
Lower the f-stop (> aperture size)

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Polinalkrimizei
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Re: Increase Dof

Post by Polinalkrimizei » Thu Nov 18, 2010 12:46 am

Hi space, size does matter in this case, you might need to scale down your scene. In general: smaller scene = increased DoF. With default settings 13.5 blender units are 13.5 m in indigo.
Play with the "world scale"-settings in blendigo, that's the fastest way!
Then just follow dakiru's instructions.

space
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Joined: Sun Feb 07, 2010 7:35 am

Re: Increase Dof

Post by space » Thu Nov 18, 2010 2:46 am

Thank you all.

Indeed, Polinalkrimizei:

The size, in this case it is absolutely crucial. In this test I have WorlScale: 1 x 10 ^ -1, keeping the other values. DOF has increased considerably. Now I understand more.
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dag
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Re: Increase Dof

Post by dag » Thu Nov 18, 2010 8:06 am

Well, if you wanted DOF on a 13 meter scene, you need to move the camera closer to the first sphere (a few meters away), as I bet the camera is pretty far away from both. The worldscale isn't there as a "DOF-fix".

space
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Re: Increase Dof

Post by space » Fri Nov 19, 2010 12:46 am

Of course, Dag:

I think understand the mecanism: scene size/distance camera to objects.

Thanks

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pixie
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Re: Increase Dof

Post by pixie » Fri Nov 19, 2010 3:13 am

space wrote:Of course, Dag:

I think understand the mecanism: scene size/distance camera to objects.

Thanks
+ diafragm aperture (f-stop)

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galinette
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Re: Increase Dof

Post by galinette » Fri Nov 19, 2010 5:01 am

I think you meant "Decrease the DOF" and not "Increase"
High depth of field = high depth range where objects are sharp

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