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Spherical Bi-Convex Lenses
MATERIAL - BaF2 (Barium Fluoride)
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Crystaltechno LTD makes spherical bi-convex lenses from different types of optical crystals and glasses.
Spherical bi-convex lenses are widely used as short-focusing transfer optics and output optics.
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PARAMETER |
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VALUE |
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Surface figure |
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Lambda/2 at 633 nm per inch |
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Scratch-Dig |
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60 - 40 |
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Diameter tolerance |
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± 0.1 mm |
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Paraxial Focal Length Tolerance |
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± 2% |
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Centration |
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less than 5 arc minutes |
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Clear aperture |
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90 % |
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Bevels |
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(0.2-0.3) mm x 45° |
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D, mm |
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FL, mm |
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R1=R2, mm |
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tc, mm |
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te, mm |
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Part Number |
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12,7 |
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12,7 |
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10,60 |
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6,2 |
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2,0 |
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BCX2-01 |
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12,7 |
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19,0 |
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16,79 |
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4,5 |
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2,0 |
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BCX2-02 |
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12,7 |
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25,0 |
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22,38 |
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3,8 |
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2,0 |
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BCX2-03 |
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12,7 |
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50,0 |
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45,54 |
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2,9 |
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2,0 |
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BCX2-04 |
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25,4 |
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25,0 |
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21,22 |
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10,4 |
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2,0 |
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BCX2-05 |
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25,4 |
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50,0 |
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45,09 |
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5,7 |
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2,0 |
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BCX2-06 |
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25,4 |
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75,0 |
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68,30 |
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4,4 |
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2,0 |
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BCX2-07 |
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25,4 |
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100,0 |
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91,40 |
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3,8 |
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2,0 |
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BCX2-08 |
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25,4 |
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150,0 |
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137,50 |
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3,2 |
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2,0 |
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BCX2-09 |
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25,4 |
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200,0 |
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183,54 |
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2,9 |
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2,0 |
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BCX2-10 |
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25,4 |
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250,0 |
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229,57 |
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2,7 |
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2,0 |
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BCX2-11 |
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25,4 |
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500,0 |
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459,63 |
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2,4 |
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2,0 |
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BCX2-12 |
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38,1 |
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50,0 |
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44,08 |
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11,7 |
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3,0 |
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BCX2-13 |
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38,1 |
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75,0 |
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67,64 |
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8,5 |
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3,0 |
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BCX2-14 |
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38,1 |
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100,0 |
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90,88 |
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7,0 |
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3,0 |
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BCX2-15 |
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38,1 |
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125,0 |
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114,01 |
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6,2 |
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3,0 |
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BCX2-16 |
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38,1 |
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200,0 |
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183,21 |
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5,0 |
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3,0 |
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BCX2-17 |
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38,1 |
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375,0 |
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344,36 |
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4,1 |
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3,0 |
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BCX2-18 |
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38,1 |
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750,0 |
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689,44 |
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3,5 |
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3,0 |
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BCX2-19 |
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50,8 |
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50,0 |
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42,64 |
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19,8 |
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3,0 |
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BCX2-20 |
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50,8 |
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100,0 |
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90,35 |
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10,3 |
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3,0 |
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BCX2-21 |
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50,8 |
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150,0 |
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136,77 |
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7,8 |
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3,0 |
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BCX2-22 |
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50,8 |
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200,0 |
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182,96 |
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6,5 |
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3,0 |
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BCX2-23 |
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50,8 |
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250,0 |
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229,08 |
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5,8 |
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2,0 |
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BCX2-24 |
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50,8 |
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300,0 |
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275,15 |
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5,3 |
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3,0 |
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BCX2-25 |
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50,8 |
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400,0 |
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367,25 |
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4,8 |
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3,0 |
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BCX2-26 |
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50,8 |
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500,0 |
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399,34 |
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4,4 |
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3,0 |
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BCX2-27 |
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50,8 |
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750,0 |
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689,38 |
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3,9 |
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3,0 |
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BCX2-28 |
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50,8 |
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1000,0 |
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799,60 |
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3,7 |
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3,0 |
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BCX2-29 |
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76,2 |
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150,0 |
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135,77 |
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13,9 |
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3,0 |
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BCX2-30 |
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76,2 |
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200,0 |
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182,24 |
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11,1 |
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3,0 |
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BCX2-31 |
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76,2 |
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250,0 |
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228,51 |
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9,4 |
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3,0 |
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BCX2-32 |
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76,2 |
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300,0 |
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274,68 |
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8,3 |
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3,0 |
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BCX2-33 |
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76,2 |
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400,0 |
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366,90 |
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7,0 |
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3,0 |
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BCX2-34 |
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76,2 |
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500,0 |
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459,03 |
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6,2 |
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3,0 |
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BCX2-35 |
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76,2 |
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600,0 |
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551,11 |
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5,6 |
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3,0 |
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BCX2-36 |
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76,2 |
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800,0 |
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735,22 |
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5,0 |
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3,0 |
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BCX2-37 |
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76,2 |
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1000,0 |
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920,00 |
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4,6 |
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3,0 |
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BCX2-38 |
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76,2 |
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1500,0 |
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1380,00 |
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4,1 |
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3,0 |
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BCX2-39 |
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* Numerical parameters correspond to Lambda=5 µm (n=1.46)
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