Epson PhotoPC 700 User Manual page 181

Then follow these steps to use a Tiffen wide-angle lens:
1
Squeeze the two tabs on the sides of the lens.
2
Insert the lens into the adapter on the front of the
camera and release the tabs.
3
Turn the lens clockwise, a quarter of the way around.
4
Note that images captured with a wide-angle lens may be
slightly distorted in the foreground, and vignetted at the
corners, as shown in the example below. You can crop the
dark corners out of your pictures using Image Expert if you
want.
tab
When you're finished using the lens, squeeze the two
tabs and remove it from the adapter.
Optional Accessories A-5
A
A
B