3 Color LED
LED with approx. 3mm diameter. Focus stack with 17 images, step 2, rendered with Helicon Focus method B. Postprocessing in Lightroom CC. Cropped. The electronics are covered in clear plastic, you can still see some tiny air bubbles enclosed.
Model
E-M1MarkII
Aperture
f/6.3
Focal Length
60
Shutter Speed
1/15s
Iso
200