2. Test using Mamiya RB67 Pro SD and ZD Back DB without sensor filter

The same image taken once with sensor filter and without.

Below with different aperture.

Mamiya ZD back DB with IR cut Filter YB401 and with filter removed (right)

Bild in Lightbox öffnen (open image in lightbox). ZD Back DB with standard sensor filter YB401.
f=127mm f/16
 
Bild in Lightbox öffnen (open image in lightbox). ZD Back DB without sensor filter.
f=127mm f/16
 
Bild in Lightbox öffnen (open image in lightbox). ZD Back DB without sensor filter.
f=127mm f/22
 
Bild in Lightbox öffnen (open image in lightbox). ZD Back DB without sensor filter.
f=127mm f/32