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              • 雙凸透鏡
               
              雙凸透鏡

               

              The Double Convex Lenses present an identical convex surface on both sides of the lens. They have a positive focal length and are useful for 1:1 imaging and in multielement systems.

              Specifications:
              Material:----------------------------------------------N-BK7, Fused Silica, N-SF10, Silicon, Ge,CaF2, etc.
              Diameter Tolerance:----------------------------+0.0/-0.15mm
              Focal Length Tolerance (mm):---------------+/-2%
              Centration:-----------------------------------------<3 arc minutes
              Clear Aperture:------------------------------------>85%
              Surface Figure (per 25mm@632.8nm)----<1.5λ
              IRR ( @632.8nm)--------------------------------<λ/4
              Surface Quality:-----------------------------------60/40
              Protected Bevel:----------------------------------<0.25mmx45deg
              Coating:---------------------------------------------uncoated, AR, HR, PR Coating, etc.

              N-BK7 Double Convex Lens
              Design wavelength: 546.1nm Design Index:1.5183 ± 0.0005

              Part No.
              f (mm)
              dia (mm)
              R1=R2 (mm)
              t c (mm)
              t e (mm)
              F b (mm)
              Illustration
              DCX1201
              20.0
              12.7
              20.01
              4.0
              2.0
              18.6
               
              DCX1202
              25.0
              12.7
              25.28
              3.6
              2.0
              23.8
              DCX1203
              30.0
              12.7
              30.52
              3.3
              2.0
              28.9
              DCX1204
              40.0
              12.7
              40.95
              3.0
              2.0
              39.0
              DCX1301
              25.4
              25.4
              24.71
              9.0
              2.0
              22.2
              DCX1314
              35.0
              25.4
              35.09
              6.8
              2.0
              32.8
              DCX1315
              40.0
              25.4
              40.40
              6.1
              2.0
              37.9
              DCX1302
              50.0
              25.4
              50.92
              5.2
              2.0
              48.3
              DCX1316
              60.0
              25.4
              61.40
              4.7
              2.0
              58.5
              DCX1303
              75.0
              25.4
              77.04
              4.1
              2.0
              73.6
              DCX1304
              100.0
              25.4
              103.05
              3.6
              2.0
              98.8
              DCX1305
              125.0
              25.4
              129.02
              3.3
              2.0
              123.9
              DCX1306
              150.0
              25.4
              154.97
              3.0
              2.0
              149.0
              DCX1307
              200.0
              25.4
              206.84
              2.8
              2.0
              199.0
              DCX1308
              250.0
              25.4
              258.70
              2.6
              2.0
              249.1
              DCX1309
              300.0
              25.4
              310.55
              2.5
              2.0
              299.2
              DCX1310
              400.0
              25.4
              413.80
              2.4
              2.0
              399.0
              DCX1311
              500.0
              25.4
              517.91
              2.3
              2.0
              499.2
              DCX1312
              750.0
              25.4
              774.30
              2.3
              2.0
              748.8
              DCX1313
              1000.0
              25.4
              1036.23
              2.2
              2.0
              999.3

              Fused silica Double Convex Lens
              Design wavelength: 546.1nm Design Index:1.46008

              Part No.
              F (mm)
              f(mm)
              R1=R2(mm)
              Tc
              Te
              Fb
              Illustration
              BCX2001
              6.0
              15.0
              13.46
              2.18
              1.5
              14.24
               
               
               
               
               
               
               
               
               
               
               
               
              BCX2002
              6.0
              30.0
              27.29
              1.83
              1.5
              29.34
              BCX2101
              12.7
              15.0
              12.91
              5.34
              2.0
              13.05
              BCX2102
              12.7
              20.0
              17.70
              4.36
              2.0
              18.46
              BCX2103
              12.7
              25.0
              22.39
              3.84
              2.0
              23.66
              BCX2104
              12.7
              30.0
              27.04
              3.51
              2.0
              28.77
              BCX2105
              12.7
              40.0
              36.31
              3.12
              2.0
              38.92
              BCX2201
              25.4
              25.0
              21.23
              10.11
              2.0
              21.14
              BCX2202
              35.4
              35.0
              30.97
              7.45
              2.0
              32.33
              BCX2203
              25.4
              50.0
              45.08
              5.65
              2.0
              48.01
              BCX2204
              25.4
              75.0
              68.23
              4.39
              2.0
              73.39
              BCX2205
              25.4
              100.0
              91.41
              3.77
              2.0
              98.69
              BCX2206
              25.4
              150.0
              137.50
              3.18
              2.0
              148.89
              BCX2207
              25.4
              200.0
              183.65
              2.88
              2.0
              199.09
              BCX2208
              25.4
              250.0
              229.60
              2.70
              2.0
              249.06
              BCX2209
              25.4
              300.0
              275.60
              2.59
              2.0
              299.07
              BCX2210
              25.4
              500.0
              459.7
              2.35
              2.0
              499.19
              BCX2211
              25.4
              1000.0
              919.8
              2.18
              2.0
              999.24
              BCX2401
              38.0
              50.0
              44.06
              11.61
              3.0
              45.81
              BCX2402
              38.0
              100.0
              90.99
              7.01
              3.0
              97.67
              BCX2403
              38.0
              150.0
              137.09
              5.65
              3.0
              148.01
              BCX2404
              38.0
              200.0
              183.23
              4.98
              3.0
              198.27
              BCX2405
              38.0
              350.0
              321.40
              4.12
              3.0
              348.58
              BCX2406
              38.0
              500.0
              459.50
              3.79
              3.0
              498.72
              BCX2407
              38.0
              750.0
              689.50
              3.52
              3.0
              748.73
              BCX2408
              38.0
              1000.0
              919.60
              3.39
              3.0
              998.82

               

              Note: Other sizes, material are available upon request.
              The ones with Silicon, Ge,CaF2 material pls kindly refer to IR OPTICS section.


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