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Telec
en
tr
ic L
enses
96
http://machinevision.navitar.com
• email: [email protected]
C-mount Invaritar™ Large-Field Telecentric Lens Specifications
(for camera formats less than or equal to 2/3”)
Mag.
(nominal)
Working
Distance
Maximum Object Dimensions (mm.)
1
Minimum
Operating
F# Range
2
Depth
of
Field
(in)
3
Part Numbers
for Required Optical Components
mm.
inches
1/3” CCD
1/2” CCD
2/3”CCD
Base Lens
Attach.
Lens
Tele-
converter
4
0.06x
241
9.5
2.23 x 2.98
N/A
N/A
2.0
7.22
59 LGC 916
59 LGL 428
none
0.07x
203
8.0
1.83 x 2.44
N/A
N/A
2.8
5.0
59 LGC 916
59 LGJ 423
none
0.09x
241
9.5
1.43 X 1.90
1.90 X 2.54
2.62 X 3.49
2.0
3.21
59 LGG 925
59 LGL 428
none
0.10x
140
5.5
1.28 X 1.70
N/A
N/A
5.6
2.60
59 LGC 916
59 LGH 416
none
0.11x
203
8.0
1.17 X 1.56
1.56 X 2.09
2.15 X 2.87
2.8
2.15
59 LGG 925
59 LGJ 423
none
0.11x
267
10.5
1.13 x 1.51
1.51 x 2.01
N/A
2.8
2.15
59 LGG 935
59 LGH 431
none
0.13x
241
9.5
1.02 X 1.36
1.36 X 1.81
1.87 X 2.49
2.0
1.54
59 LGG 935
59 LGL 428
none
0.15x
203
8.0
0.84 X 1.12
1.12 X 1.49
1.54 X 2.05
5.6
1.15
59 LGG 935
59 LGJ 423
none
0.16x
140
5.5
0.82 X 1.09
1.09 X 1.45
1.50 X 2.00
11.0
1.02
59 LGG 925
59 LGH 416
none
0.16x
267
10.5
0.79 X 1.06
1.06 X 1.41
1.45 X 1.94
2.8
1.02
59 LGG 950
59 LGH 431
none
0.18x
241
9.5
0.71 X 0.95
0.95 X 1.27
1.31 X 1.74
5.6
0.80
59 LGG 950
59 LGL 428
none
0.22x
140
5.5
0.58 X 0.78
0.78 X 1.04
1.07 X 1.42
11.0
0.54
59 LGG 935
59 LGH 416
none
0.22x
203
8.0
0.59 X 0.78
0.78 X 1.05
1.08 X 1.44
5.6
0.54
59 LGG 950
59 LGJ 423
none
0.24x
267
10.5
0.53 X 0.70
0.07 X 0.94
0.97 X 1.29
4.0
0.45
59 LGG 950
59 LGH 431
59 LGZ 415
0.27x
241
9.5
0.48 X 0.64
0.63 X 0.85
0.87 X 1.16
11.0
0.36
59 LGG 950
59 LGL 428
59 LGZ 415
0.31x
140
5.5
0.41 X 0.54
0.54 X 0.72
0.75 X 1.00
11.0
0.27
59 LGG 950
59 LGH 416
none
0.32x
267
10.5
0.39 X 0.53
0.53 X 0.70
0.72 X 0.97
5.6
0.25
59 LGG 950
59 LGH 431
59 LGZ 420
0.33x
203
8.0
0.39 X 0.52
0.52 X 0.70
0.72 X 0.96
5.6
0.24
59 LGG 950
59 LGH 423
59 LGZ 415
036x
241
9.5
0.36 X 0.48
0.48 X 0.64
0.66 X 0.87
16.0
0.29
59 LGG 950
59 LGL 428
59 LGZ 420
0.43x
203
8.0
0.29 X 0.39
0.39 X 0.52
0.54 X 0.72
16.0
0.20
59 LGG 950
59 LGJ 423
59 LGZ 420
0.47x
140
5.5
0.27 X 0.36
0.36 X 0.48
0.50 X 0.66
11.0
0.12
59 LGG 950
59 LGH 416
59 LGZ 415
0.63x
140
5.5
0.20 X 0.27
0.27 X 0.36
0.37 X 0.50
16.0
0.10
59 LGG 950
59 LGH 416
59 LGZ 420
1. The maximum object dimensions shown in the table are 90% of the theoretical maximum dimensions, providing safety factor of magnification and alignment errors.
2. Lenses operated at smaller f/# may show reduced resolution, especially near the edge of the field of view.
3. Depth of field is calculated for a 30-µm allowable blur at the image (camera) plane at f/11 (for lenses with minimum operating f-number<f/16) or f/22 (for all others).
4. Teleconverters 59 LGZ 420 and 59 LGZ 415 cannot be used with certain types of 3-CCD color cameras.
Note: Distortion is less than 2% for all lenses. Contact Navitar for distortion characteristics for a specific lens.
Single-Sided Telecentric
Invaritar
™
Large-Field C-mount Lens
attachment lens
C-mount base lens
optional
teleconverter
Invaritar™ Large Field
(Continued)