ISO

For this photo, I set the ISO at 100 and a

flash was not used. A dim, overhead light

was used as a light source.

I set the ISO at 200 and a flash was not used.
Light from the laptop screen was used as a
light source.
The ISO was set at 100 and a flash was not
used. Light was let in from a window
across the room which brightened the
white of the cage bars.
For this photo, I set the ISO at 200 and no
flash was used. Daylight shining from
the windows was used as a light source.