https://www.lentil.xyz/

Here are some images created using the new nested dielectrics workflow in 6.1. The following Arnold features were used to achieve the microscopic feel.

nested dielectrics, spherical_camera, flakes, dispersion_abbe.

https://leegriggs.com/nested-dielectrics

https://docs.arnoldrenderer.com/display/A5ARP/6.1.0.0

https://docs.arnoldrenderer.com/display/A5ARP/Nested+Dielectrics

https://docs.arnoldrenderer.com/display/A5AFMUG/Transmission#Transmission-DielectricPriority

https://docs.arnoldrenderer.com/display/A5AFMUG/Imagers

More examples here and here.

Download it here.