vray light problems

[Alyosha]

Hey,

 

 

I've been working in a physically correct scene with correct measurements with my basic unit as centimeters (tested it out using meters, as well)

 

But when I set a basic vray light to about 1500 lumens, which should roughly mean your standard 100 W light, it shows it like a tiny spark and it doesnt light up anythign at all before I raise the value to ridiculous heights

 

any ideas what could be wrong?

[John Dollus]

what is your camera exposure set to?

[Alyosha]

Camera is 20 shutter 16 aperture I think, it's an evening/sunset shot, so it's a long exposure...so it should even accentuate any artificial lighting methinks?

 

the lights in question are those on the inside the house and outside on the terrace

[John Dollus]

with those settings, you will need a really high iso as well:

 

can you post an image?

[ruskie77]

as a quick fix, you could untick the "exposure" box in the vray camera settings... this should resort to a "standard" exposure without taking into account aperture iso and shutter speed... let me know how you get on

[Alyosha]

Thanks for the tips guys, I actually completely forgot about the ISO setting on the camera, so after tweaking the scene a bit and taking ISO into consideration I'm getting proper results now with physically accurate vray light data.