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Collette Optical
 
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Technical Data


Product Number
Mag.
V=D/4
or
tV=D/4
+1
Diopter
[D]=1/t
Lens
Size
(mm)
Lens
Type
Eye to
Lens
Dist.
(mm)
Lens to
Image
Dist.
(mm)
Eye to
Image
Dist.
(mm)
Transverse
Mag.
Enlargement
Ratio
Max.
Allowable
Add
(adiopter)
1557
12.5x
50
30
aspheric
40
360
400
18.3
2.8
1550
10x
38
35
aspheric
40
360
400
12.4
2.8
1551
7x
28
35
aspheric
60
340
400
10
2.9
1552
6x
23
50
aspheric
100
300
400
7.8
3.3
1553
5x
20
60
aspheric
140
260
400
5.9
3.9
1525
4.2x
17
50
aspheric
100
98
198
2.2
10
1554
4x
16
70
aspheric
150
250
400
4.7
4.0
1558
3x
12
60
aspheric
250
150
400
2.1
6.7
1559
3x
12
80
aspheric
250
150
400
3.1
6.7
1580/
1588
3xt
7.6
100x
50
aspheric
250
150
400
2.2
6.7
1580**
4x
11.6
100x
50
aspheric
190
210
400
3.2
4.8
1582
2.8xt
7
100x
75
aspheric
250
150
400
2
6.7
1582**
3.8x
10.5
100x
75
aspheric
220
180
400
2.8
5.6
1584
2.8xt
7
105x
80
aplanatic
250
150
400
1.7
6.7
1584**
3.8x
11
105x
80
aplanatic
257
143
400
2.4
7.0
1585
3.9x
11.4
105x
80
doublet
195
265
460
3.1
3.8
2031
2.8xt
6.3
100x
50
aspheric
250
150
400
2
6.7
2032
2.8xt
7
100x
75
aspheric
250
150
400
2
6.7
2034
3.5xt
10
75x
50
aspheric
250
150
400
2.9
6.7
2036
2.8xt
6.3
100x
50
aspheric
250
150
400
2
6.7
2636-7
2086-7
2.8xt
7
100x
75
aspheric
250
150
400
2
6.7
2636-11
2086-11
3.8xt
11
100x
75
aspheric
250
215
465
3
4.9
2616
4x
16
60
aspheric
230
170
400
3.1
5.9
2626
6x
23
50
aspheric
100
300
400
7.8
3.3
2628
10x
38
35
aspheric
40
360
400
12.4
2.8
2629
12.5x
50
30
aspheric
40
360
400
18.3
2.8
2632-10
2.5x
10
90x
25
aspheric
250
150
400
1.7
6.7
2632-6
1.5x
6
90x
25
aspheric
250
150
400
1.7
6.7
1153
8x
28.7
25
aplanatic
40
321
361
9.1
3.0
1420/
21/22
2x*
16*
65
spherical
Not
Specified
50
400
1.7*
20
1436
2.2x*
16*
90x
35x
70
aspheric
Not
Specified
125
400
1.7*
8
1515-6
1.5x
6
90x
25
aspheric
250
150
400
1.7
6.7
1515-10
2.5x
10
90x
25
aspheric
250
150
400
2.3
6.7
1515-14
3.5x
14
90x
25
aspheric
250
150
400
3.1
6.7