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檢視所有 283 產品系列

30mm Dia. x 40mm FL, VIS-NIR Coated, Achromatic Lens

Stock #33-923
NT$4,158
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Qty 1-5
NT$4,158
Qty 6-25
NT$3,326
Qty 26+
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Diameter (mm):
30.00 +0.0/-0.025
Effective Focal Length EFL (mm):
40.00
Focal Length Tolerance (%):
±2
Back Focal Length BFL (mm):
31.14
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
39.00
Centering (arcmin):
<1
Center Thickness CT 1 (mm):
10.9
Center Thickness CT 2 (mm):
4.6
Center Thickness Tolerance (mm):
±0.2
Radius R1 (mm):
25.62
Radius R2 (mm):
-25.62
Radius R3 (mm):
-144.37
Edge Thickness ET (mm):
9.87
Substrate:
N-BaF10 / N-SF57
Surface Quality:
40-20
f/#:
1.33
Numerical Aperture NA:
0.38
Coating:
VIS-NIR (400-1000nm)
Coating Specification:
Rabs ≤0.25% @ 880nm
Ravg ≤1.25% @ 400 - 870nm
Ravg ≤1.25% @ 890 - 1000nm
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Bevel:
Protective bevel as needed
Type:
Achromatic Lens
Wavelength Range (nm):
400 - 1000
RoHS:

產品系列說明

  • Designed for 0° Angle of Incidence
  • Less Than 0.25% Reflectance Per Surface @ 880nm
  • MgF2 and VIS 0° Coated Achromats Also Available

消色差透鏡包含由兩個光學透鏡黏合而成的雙合透鏡,其經過電腦優化,非常適合用來修正正軸球面像差和色像差。Magnesium Fluoride coated and VIS 0° coated achromats also available.

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