Selection table for optical device insert rings
Correspondence of the inner diameter of the insert ring and the outer
diameter of the lens body of the daylight optical device
Cover-adapter
model
Insert internal diameter, mm
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47
48
Cover adapter
FN 42mm
49
50
55
56
Cover adapter
57
FN 50mm
58
59
60
61
62
Cover adapter
FN 56mm
63
64
65
Internal diameter of optical device
lens, mm
46,7-47,6
47,7-48,6
48,7-49,6
49,7-50,6
54,7-55,6
55,7-56,6
56,7-57,6
57,7-58,6
58,7-59,6
59,7-60,6
60,7-61,6
61,7-62,6
62,7-63,6
63,7-64,6
64,7-65,6
6
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