You can also adjust camera exposure to some extent by tapping the area you want the sensor to focus on, and dragging the slider on the right - hand side of the display. (androidheadlines.com)
Because I use a digital camera my exposures now have gone from hours to a couple of minutes. (penumbrafoundation.org)
Furthermore 3i proprietary TTL Synchronization electronics and SlideBook software allow blanking of the illuminating laser light in the time between camera exposures resulting in the minimum possible unwanted photobleaching of cells. (intelligent-imaging.com)