Daz Creating HDRI from existing scene

[tk99]

I'm trying to create an HDRI from an existing indoor scene.
Goal is to use it as a "background", not lightning!
The scene got many lights and many reflective props, so render times are killing me.

So I removed all props which could interact with the figures I will put in the scene, set aspect ration to 2:1 with 8000:4000 pixels, set cam to spherical, render settings to do a canvas render, and progressive rendering to 24h, 15000 max samples, render quality 100.

Cam is set up at the place where I want it to be, no DOF.

When I render this with a normal lense, it's looking good.
When I render it with spherical lense and use the created HDRI (have to adjust the HDRI to -12 - -14 in gimp) it's doing what I expect.
I can put other props and figures in there, set up (aditional) lightning, whatever i want.

But the background (here the walls, with pictures and so on) are looking blurred.


Any idea what I'm doing wrong?


TIA

 

[Rich]

Did you by any chance leave your camera's depth of field turned on?

 

[tk99]

Did you by any chance leave your camera's depth of field turned on?

No, DOF is off.

Focus (is it important?) is set to 100 (1m), the room ist about 20x20 meters.
The closest walls are about 1.5, the farest about 18m away.
Both are blurry.

 

[GNVE]

What do you expect the final scene to render at? maybe you need to increase the #N of pixels even further? I mean If you expect the final product to be at 4K than you might need more.
You could also try what happens if you turn off the infinite sphere to a finite one.
(Btw HDRI's are still a bit of a mystery to me. even though I use them often).

 

[mickydoo]

Put it on finite sphere and two more options will show up and you can change Dome scale multiplier and Dome radius, I have had them both as low as 20 mucking about, sometimes this works.

Also do normal HDRI's look blurry as well or just the one you have made?

 

[tk99]

I mean If you expect the final product to be at 4K than you might need more.

QHD to be resized to FHD.

Put it on finite sphere and two more options will show up and you can change Dome scale multiplier and Dome radius, I have had them both as low as 20 mucking about, sometimes this works.

Thanks that's a good idea.

Also do normal HDRI's look blurry as well or just the one you have made?

Normal HDRI's (like movie maker Metropolis) are looking good.

 

[tk99]

I gave up on this, the scene is a dark indoor scene with a lot of lights.

8000x4000 with a render quality set to 100, samples and time to max, just takes to long to render.