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Replacing the Projection Lens
Push the "lens release" lever up until it clicks.
Pull out the lens unit.
Slide in the lens unit you'd like to use* (removed from another reader or an extra) into the machine along the lens guide. "Lens release" lever should fall back into original position.
Note
There are three different lenses available according to magnification:
- Type 1: 9-16x
- Type 2: 13-27x
- Type 3: 23-50x

