11.For “flat” or uniform illumination, use the Both Channels Open position. This is setting is when the lever is all the way to the left or the right:
12. Use the main command dial at the upper rear of the camera for adjusting the aperture.
The Main Command Dial is operated with the right thumb and is used to adjust aperture. Normally, the best practice is to take 3 or 4 pictures of each iris, each picture shot with a different consecutive aperture.
Use of Iris Camera | 6 |