5. Open the lid. Center your phone with the screen facing toward the lens
inside of the shell. Close the lid to hold the smartphone in place (Fig. 7).
6. Put on the SPECTRE to test the fit and adjust the straps as needed (Fig. 8).
7. Adjust the optical axis sliders until the image is clear (Fig. 9). Moving
either slider will cause both to move. Adjust as needed according to your
own eyesight.
Fig.7
Fig.8
Fig.9
Diopter Sliders
