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Changing focal length wrecks DOF on all octane 2024 scenes

Posted: Thu May 08, 2025 3:01 pm
by boxfx
Project attached

Adjusting the focal length of any camera created in octane 2024, using octane 2025, causes the Aperture value in the octane camera tag to change. This breaks all DOF settings on any project older than a few weeks.

Specifically the bug is that any older scene which had the fstop set to INF, and therefore the aperture set to 0, will instead load in with the fstop set to 2.8 and the aperture set to 0. An invalid combination. As soon as the user changes the focal length of the camera, the aperture jumps into action and starts changing, introducing DOF when the original scene file had no DOF at all.

octane 2025.1.0 0104
c4d 2025.2.1
win 11

Re: Changing focal length wrecks DOF on all octane 2024 scenes

Posted: Thu May 15, 2025 8:24 pm
by DinoMuhic
boxfx wrote: Thu May 08, 2025 3:01 pm Project attached

Adjusting the focal length of any camera created in octane 2024, using octane 2025, causes the Aperture value in the octane camera tag to change. This breaks all DOF settings on any project older than a few weeks.

Specifically the bug is that any older scene which had the fstop set to INF, and therefore the aperture set to 0, will instead load in with the fstop set to 2.8 and the aperture set to 0. An invalid combination. As soon as the user changes the focal length of the camera, the aperture jumps into action and starts changing, introducing DOF when the original scene file had no DOF at all.

octane 2025.1.0 0104
c4d 2025.2.1
win 11
Hi can you check if this is still happening for you in the latest v1.5 build?

Re: Changing focal length wrecks DOF on all octane 2024 scenes

Posted: Fri May 16, 2025 2:14 pm
by boxfx
Problem seems fixed in 2025.2, will update if it happens again