This is a exporter for blender 2.8x for Mitsuba2.
Keep in mind the development is not done, it's in very early stages, so consider it early alpha.

Follow me on social media for latest development info:
https://stigatle.no/index.php/contact/

Feel free to contribute on patreon if you want:
https://www.patreon.com/stigatle

Current supported features (more being developed):
Export meshes as .obj then references them.
Camera - with DOF
Environment map (hdr etc)
Batch export of frames, so that you can render animations.
Point/spot/mesh lights.

Integrators:
Path
Direct
VolPath
VolPathSimple

Material nodes:
BSDF Diffuse
BSDF Plastic
BSDF Dielectric
BSDF BlackBody (for mesh lights)
BSDF Conductor
BSDF Medium (to use with glass)
BSDF Blend (for mixing materials)
Textures (image map).