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Achromatic Lenses

Specifications


Design Wavelength 480.0,546.1,643.8nm
Design Index +0.0,-0.15mm
Diameter Tolerance +/-2%
Paraxial Focal Length Tolerance 3 arc minute
Centration >85%
Clear Aperture λ/4@632.8nm
Surface Figure 60/40 Scratch/ Dig
Surface Quality 0.25mm*45°
Bevel λ/4 Wave MgF2@550nm

Positive Achromatic Lenses


Part No φ(mm) f(mm) R1(mm) R2=R3 R4 TC1(mm) TC2(mm) fb(mm) Lens A Lens B
ALP0101 6 15 8.831

-6.546

-19.77 2.71 1 13.066 BK7 SF5
ALP0102 6 20 12.356 -8.511 -24.38 2.6 1 18.288 BK7 SF5
ALP0103 6 25 15.704 -10.666 -29.99 2.3 1 23.455 BK7 SF5
ALP0104 6 30 18.88 -12.942 -36.48 1.9
1 28.695 BK7 SF5
ALP0105 8 25 15.596 -10.814 -30.48 2.9 1 23.125 BK7 SF5
ALP0106 8 30 18.88 -12.882 -36.22 2.7 1 28.277 BK7 SF5
ALP0107 10 20 12.3 -9.02 -25.23 13.6 1 17.625 BK7 SF5
ALP0201 12 25 15.346 -11.35 -31.92 4.2 1.3 22.286 BK7 SF5
ALP0202 12.7 25 15.596 -11.402 -31.05 4.3 1.3 22.251 BK7 SF5
ALP0203 12.7 30 18.535 -13.49 -37.84 4 1.3 27.36 BK7 SF5
ALP0204 12.7 40 25.23 -17.539 -48.75 3.4
1.3 37.778 BK7 SF5
ALP0205 12.7 50 31.26 -21.93 -62.37 3.1 1.3 47.992 BK7 SF5
ALP0206 12.7 60 37.33 -26.42 -75.86 2.8
1.3
58.127 BK7 SF5
ALP0207 12.7 75
46.77 -32.96 -94.62 2.6 1.3 73.227 BK7 SF5
ALP0208 20 65
40.09 -29.58 -83.59 6.3
2 60.868 BK7 SF5
ALP0301 25.4 60 37.33 -27.16 -75.86 7 2 55.565 BK7 SF5
ALP0302 25.4 120 73.28 -54.33 -159.96 4.2 2 117.103 BK7 SF5

Negative Achromatic Lenses

Part No φ(mm) f(mm) R1(mm) R2=R3 R4 TC1(mm) TC2(mm) fb(mm) Lens A Lens B
ALN0101 12.7 -25 -15.6 13.09 44.16 3 2.67 -27.5 BK7 F2
ALN0102 12.7 -40 -24.45 17.97 66.6 3 2.34 -42.5 BK7 F2
ALN0103 25.4 -50 -31.19 24.89 85.31 3 4.22 -53.3 BK7 F2

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