LENS MOUNTED IN BRASS FRAME WITH BAKELITE HANDLE
DIA , MM |
MAGNIFICATION |
FOCAL LENGTH , CM |
DIOPTRIC POWER |
50 |
2.25 , 3.5 & 3.0 |
20 , 10 & 12 |
+5 , +10 & +8 |
60 |
2.25 , 2.5 & 3.5 |
20 , 15 & 10 |
+5 , +6 & +10 |
75 |
2.25 , 2.5 & 3.5 |
20 , 15 & 10 |
+5 , +6 & +10 |
90 |
2.25 & 2.5 |
20 & 15 |
+5 & +6 |
100 |
2.25 & 2.5 |
20 & 15 |
+5 & +6 |
MAGNIFICATION AND FOCAL LENGTH CAN ALSO BE MADE AS PER REQUIREMENT
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