Achromatic Lenses are sophisticated optical components designed to minimize chromatic aberration. By combining different types of glass with varying refractive indices, these lenses ensure that light of different wavelengths converges at nearly the same point. This results in sharp, color - accurate images. They are widely used in cameras, telescopes, and microscopes, enhancing the quality of optical imaging. Their high - precision manufacturing guarantees reliable performance in diverse applications where clear and distortion - free visuals are essential.
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Specifications:
| Design Wavelength: | 400-700nm, 650-1050nm, 1000-1650nm |
| Diameter Tolerance: | +0.0/-0.15mm |
| Focal Length Tolerance (mm): | ±2% |
| Centration: | <3 arc minutes |
| Clear Aperture: | >85% |
| Surface Figure: | <λ/4@633nm |
| Surface Quality: | 60/40 |
| Protected Bevel: | <0.25mmx45deg |
| Coating: | 1/4 wave MgF2@550nm |
Negative Achromatic Lenses：
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Part No.
|
f(mm)
|
dia (mm)
|
R1(mm)
|
R2=R3(mm)
|
R4(mm)
|
Tc1(mm)
|
Tc2(mm)
|
fb(mm)
|
Lens A
|
Lens B
|
|
ALN0201
|
-25.0
|
12.7
|
-15.6
|
13.09
|
44.16
|
3.0
|
2.67
|
-27.5
|
BK7
|
SF2
|
|
ALN0202
|
-40.0
|
12.7
|
-24.45
|
17.97
|
66.6
|
3.0
|
2.34
|
-42.5
|
BK7
|
SF2
|
|
ALN0301
|
-50.0
|
25.4
|
-31.19
|
24.89
|
85.31
|
3.0
|
4.22
|
-53.3
|
BK7
|
SF2
|
Positive Achromatic Lens：
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Part No.
|
f(mm)
|
dia (mm)
|
R1(mm)
|
R2=R3(mm)
|
R4(mm)
|
Tc1(mm)
|
Tc2(mm)
|
Fb(mm)
|
Lens A
|
Lens B
|
||||||||
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ALP0101
|
15.0
|
6.0
|
8.831
|
-6.546
|
-19.77
|
2.71
|
1
|
13.066
|
BK7
|
SF5
|
||||||||
|
ALP0102
|
20.0
|
6.0
|
12.356
|
-8.511
|
-24.38
|
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