Production Capabilities:
Diameter(Φ): 2.00-250.00 mm
Material: Glasses,Crystals......
Surface Accuracy: 1-3.0 fringes power
Surface Irregularity : ≤0.3 fringes power(0.15λ)
Surface Quality: 10-5 scratch-dig
Center Thickness(Tc): ≥0.5mm
Center Thickness Accuracy: ± 0.01 mm
Centration Accuracy : 0.5- 3 arc minutes
Clear Aperture: ≥ 90% of diameter
Common Specifications: Material: BK7 grade A, fine annealed Surface Accuracy: 1.5λ Focal Length( f ) Tolerance: ±2% Surfce Irregularity : 0.25λ Diameter(Φ) Tolerance: -0.20mm Surface Quality: 60-40 scratch-dig Center Thickness(Tc): ± 0.1m Concentricity: 3 arc minutes Bevel: 0.2mm x 45º Coating Curve: Antireflection Coating |
- PART NO.
- Φ
- f
- fb
- Tc
- Te
- R1
- R2
- SL-220001
- 5
- -5
- -5.6
- 2
- 3
- -5.51
- 5.51
- SL-220005
- 6
- -8
- -8.6
- 2
- 2.8
- -8.63
- 8.63
- SL-220003
- 6
- -12
- -12.6
- 2
- 2.4
- -12.79
- 12.79
- SL-220002
- 6
- -18
- -18.6
- 2
- 2.2
- -19.01
- 19.01
- SL-221002
- 10
- -10
- -10.6
- 2
- 4.2
- -10.79
- 10.79
- SL-221001
- 10
- -15.1
- -15.8
- 2
- 3.3
- -15.94
- 15.94
- SL-221101
- 10
- -30
- -30.7
- 2
- 2.5
- -31.33
- 31.33
- SL-221005
- 12.7
- -15
- -15.6
- 2
- 4.3
- -15.94
- 15.94
- SL-221105
- 12.7
- -20
- -20.6
- 2
- 3.7
- -21.02
- 21.02
- SL-221104
- 12.7
- -25
- -25.7
- 2
- 3.3
- -26.3
- 26.3
- SL-221103
- 12.7
- -30
- -30.7
- 2
- 3
- -31.33
- 31.33
- SL-221202
- 12.7
- -40
- -40.7
- 2
- 2.7
- -41.78
- 41.78
- SL-221201
- 12.7
- -50
- -50.7
- 2
- 2.5
- -52.2
- 52.2
- SL-221301
- 12.7
- -75
- -75.8
- 2.5
- 2.7
- -77.98
- 77.98
- SL-221501
- 12.7
- -100
- -100.8
- 2.5
- 2.6
- -103.28
- 103.28
- SL-222101
- 20
- -20
- -20.6
- 2
- 6.8
- -21.02
- 21.02
- SL-222106
- 20
- -30
- -30.7
- 2
- 5.1
- -31.33
- 31.33
- SL-222104
- 20
- -35
- -35.7
- 2
- 4.5
- -36.64
- 36.64
- SL-222201
- 20
- -40
- -40.9
- 2.7
- 4.8
- -41.78
- 41.78
- SL-222302
- 20
- -60
- -61.2
- 2.7
- 4
- -62.7
- 62.7
- SL-222301
- 20
- -70
- -70.7
- 2
- 3.1
- -72.48
- 72.48
- SL-222102
- 25
- -25
- -25.6
- 2
- 8.1
- -26.3
- 26.3
- SL-222204
- 25
- -50
- -50.5
- 1.5
- 4.2
- -52.2
- 52.2
- SL-222502
- 25
- -100
- -101.6
- 5
- 6.3
- -104.6
- 104.6
- SL-222103
- 25.4
- -25
- -25.8
- 2.5
- 7.7
- -26.3
- 26.3
- SL-222107
- 25.4
- -35
- -35.7
- 2
- 6.2
- -36.64
- 36.64
- SL-222206
- 25.4
- -50
- -50.8
- 2.5
- 5
- -52.2
- 52.2
- SL-222303
- 25.4
- -75
- -76.3
- 3
- 4.8
- -77.98
- 77.98
- SL-222509
- 25.4
- -100
- -100
- 2
- 3.3
- -104
- 104
- SL-222508
- 25.4
- -125
- -125.7
- 2
- 2.9
- -129.58
- 129.58
- SL-222507
- 25.4
- -150
- -150.7
- 2
- 2.7
- -156.04
- 156.04
- SL-222506
- 25.4
- -175
- -175.7
- 2
- 2.6
- -180.3
- 180.3
- SL-222505
- 25.4
- -200
- -200.7
- 2
- 2.5
- -206.28
- 206.28
- SL-222504
- 25.4
- -250
- -250.7
- 2
- 2.3
- -260.6
- 260.6
- SL-222503
- 25.4
- -300
- -300.7
- 2
- 2.2
- -309.8
- 309.8
- SL-222602
- 25.4
- -500
- -500.7
- 2
- 2.3
- -518.64
- 518.64
- SL-222601
- 25.4
- -1000
- -1000.7
- 2
- 2.2
- -1036.94
- 1036.94
- SL-223101
- 30
- -30
- -30.7
- 2
- 9.4
- -31.33
- 31.33
- SL-223201
- 30
- -50
- -50.7
- 2
- 6.3
- -52.2
- 52.2
- SL-223301
- 30
- -60
- -61.3
- 3.5
- 6.8
- -62.7
- 62.7
- SL-223505
- 30
- -100
- -100.7
- 2
- 3.9
- -104
- 104
- SL-223504
- 30
- -150
- -150.7
- 2
- 3.1
- -156.04
- 156.04
- SL-223503
- 30
- -180
- -181.1
- 3.5
- 4.4
- -186.21
- 186.21
- SL-223502
- 30
- -200
- -200.7
- 2
- 2.8
- -207.32
- 207.32
- SL-223501
- 30
- -250
- -251.3
- 3.5
- 4.1
- -259.4
- 259.4
- SL-224201
- 40
- -50
- -50.7
- 2
- 9.7
- -52.2
- 52.2
- SL-224502
- 40
- -100
- -100.7
- 2.2
- 5.8
- -104
- 104
- SL-224501
- 40
- -150
- -150.8
- 2.5
- 4.8
- -156.04
- 156.04
- SL-225201
- 50
- -50
- -50.7
- 2.2
- 14.7
- -52.2
- 52.2
- SL-225507
- 50
- -100
- -100.7
- 2
- 7.9
- -104
- 104
- SL-225506
- 50
- -150
- -150.7
- 2
- 5.9
- -156.04
- 156.04
- SL-225505
- 50
- -200
- -201
- 3
- 5.7
- -207.32
- 207.32
- SL-225504
- 50
- -250
- -251
- 3
- 5.1
- -260.6
- 260.6
- SL-225503
- 50
- -300
- -300.7
- 2
- 3.7
- -309.8
- 309.8
- SL-225502
- 50
- -400
- -401
- 3
- 4.2
- -412.88
- 412.88
- SL-225501
- 50
- -450
- -451
- 3
- 4
- -468.8
- 468.8
- SL-225603
- 50
- -500
- -500.7
- 2.2
- 3.1
- -515.2
- 515.2
- SL-225602
- 50
- -600
- -601
- 3
- 3.7
- -630.9
- 630.9
- SL-225601
- 50
- -800
- -801
- 3
- 3.4
- -841.4
- 841.4
- SL-229501
- 95
- -150
- -151
- 3
- 17.5
- -156.04
- 156.04
- For more details, please contact us.