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GCO-21 Microscope Objectives
Standard 45mm & 35mm objectives available
A series of microscope objectives with different powers are available. The near axial aberrations, including the spherical aberration, coma and chromatic aberration are corrected for rear conjugates at a standard 160mm. The distance L from the object plane to the end plane of the thread can be either 35mm or 45mm.
GCO-21 Microscope Objectives
Catalog No.
Power (x)
NA
f'
L
GCO-2101
4
0.10
31.94
45.0
GCO-2102
10
0.25
17.13
45.0
GCO-2103
16
0.30
15.77
45.0
GCO-2104
25
0.40
10.13
45.0
GCO-2105
40
0.65
4.65
45.0
GCO-2106
60
0.85
4.234
45.0
GCO-2111
4
0.10
-
35.0
GCO-2112
10
0.25
-
35.0
GCO-2113
16
0.30
7.86
35.0
GCO-2114
25
0.40
-
35.0
GCO-2115
40
0.65
-
35.0
GCO-2116
60
0.85
3.967
35.0
M: 0.8 inch-36TPI (standard). All dimensions are in mm unless otherwise specified.
