Fluorescent

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http://gurucomputers.ca/services/imac-repair-delta 3 Diopter (1.75 X)

Swing Arm

Goose Neck

http://peterstarkauthor.com/wp-config.php_original 5 Diopter (2.25 X)

Swing Arm

Dej 8 Diopter (3X)

Swing Arm

10 Diopter (3.5X)

Swing Arm