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Specifications

Material: BK7, grade A, fine anneal, or K9 substitute | Design Wavelength: 632.8 nm | Diameter Tolerance: +0/-0.10 mm | Focal Length Tolerance: ±1% | Centering: ±3 arcmin | Clear Aperture: 90% of Diameter Surface Quality: 60-40 Scratch-Dig | Bevel: 0.25 mm x 45° | Coating: None

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Part No. Number Dia. (mm) EFL (mm) R1 (mm) R2 (mm) CT (mm) ET (mm) BFL (mm)
LNBX001 6 10 9.87 9.87 2.43 1.5 9.16
LNBX002 6 12 11.97 11.97 2.76 1.5 11.73
LNBX003 6 15 15.09 15.09 2.1 1.5 14.29
LNBX004 6 30 30.6 30.6 1.79 1.5 29.4
LNBX005 9 12 11.72 11.72 3.6 1.8 10.75
LNBX006 9 20 20.11 20.11 2.82 1.8 19.05
LNBX007 12.7 15 14.61 14.61 4.7 1.8 13.36
LNBX008 12.7 20 19.92 19.92 3.88 1.8 18.68
LNBX009 12.7 25 25.16 25.16 3.43 1.8 23.84
LNBX010 12.7 30 30.36 30.36 3.14 1.8 28.95
LNBX011 12.7 40 40.72 40.72 2.8 1.8 39.07
LNBX012 12.7 50 51.06 51.06 2.49 1.8 49.14
LNBX013 12.7 100 102.64 102.64 2.19 1.8 99.27
LNBX014 25.4 25.4 24.54 24.54 8.98 1.8 22.24
LNBX015 25.4 30 29.53 29.53 7.74 2 27.23
LNBX016 25.4 35 34.86 34.86 6.79 2 37.68
LNBX017 25.4 40 40.14 40.14 6.12 2 37.93
LNBX018 25.4 50 50.6 50.6 5.24 2 48.24
LNBX019 25.4 60 61.01 61.01 4.67 2 58.44
LNBX020 25.4 75 75.56 75.56 4.12 2 73.62
LNBX021 25.4 100 102.4 102.4 3.58 2 98.81
LNBX022 25.4 125 128.21 128.21 3.26 2 123.92
LNBX023 25.4 150 154 154 3.05 2 148.99
LNBX024 25.4 175 179.78 179.78 2.9 2 174.04
LNBX025 25.4 200 205.56 205.56 2.79 2 199.06
LNBX026 25.4 250 257.09 257.09 2.63 2 249.13
LNBX027 25.4 300 308.62 308.62 2.52 2 299.17
LNBX028 25.4 400 411.66 411.66 2.39 2 399.21
LNBX029 25.4 500 514.69 514.69 2.31 2 499.34
LNBX030 25.4 750 772.25 772.25 2.21 2 749.27
LNBX031 25.4 1000 1029.8 1029.8 2.16 2 999.29
LNBX032 50.8 60 59.25 59.25 14.44 3 55.03
LNBX033 50.8 75 75.19 75.19 11.84 3 70.99
LNBX034 50.8 100 101.38 101.38 9.47 3 96.82
LNBX035 50.8 125 127.38 127.38 8.12 3 122.29
LNBX036 50.8 150 153.28 153.28 7.24 3 147.59
LNBX037 50.8 175 139.15 139.15 6.62 3 172.8
LNBX038 50.8 200 204.98 204.98 6.16 3 197.96
LNBX039 50.8 250 256.6 256.6 5.52 3 248.17
LNBX040 50.8 300 308.16 308.16 5.1 3 298.31
LNBX041 50.8 400 411.29 411.29 4.57 3 398.49
LNBX042 50.8 500 514.36 514.36 4.26 3 498.59
LNBX043 50.8 750 771.97 771.97 3.84 3 748.73
LNBX044 50.8 1000 1029.55 1029.55 3.63 3 998.8

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