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Optivisor Lens Plate correlations


#1

Optivisor Lens Plate correlations

Lens Plate Nr.   Magnification   Focal Length
     2                        1.5                20 Inches           
     3                        1.75             14  Inches   
     4                        2.0               10  Inches
     5                        2.5                 8  Inches
     7                        2.75               6 Inches
   10                        3.5                 4 Inches

Best regards,
Robert Lowe
Lowe Associates - Brasil
Gemstones, Rough, Specimens
Tucson - February 5 - 10, 2004 - GJX # 205