On 8/22/23 10:10, Chris R wrote:
> I wonder if
> emulating ISO in POV-Ray, similar to emulating focal blur would be an
> interesting 4.0 feature?

IIRC, Edouard Poor's camera macros had some ISO support. I thought I had 
a copy too, but I cannot immediately find it.

Maybe, water your plant! :-) The image is looking really good. Guessing 
the three electrical cords are pump, heater and light?

Bill P.

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