Spectrometer Grating
The direction of the arrow on the grating indicates the direction where the white light is.
This is best indicated by the arrow should be pointing towards the shutter both on the top and the bottom on a MKIII instrument.
The direction of the arrow on the grating indicates the direction where the white light is.
This is best indicated by the arrow should be pointing towards the shutter both on the top and the bottom on a MKIII instrument.