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TECHSPEC®組件由愛特蒙特光學設計、指定或製造。進一步瞭解

9mm Dia x -25mm FL Negative Doublet Lens MgF2 Coated

Stock #45-828
NT$2,106
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Qty 1-5
NT$2,106
Qty 6
NT$1,685
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Diameter (mm):
9.00 +0.0/-0.025
Effective Focal Length EFL (mm):
-25.00
Focal Length Tolerance (%):
±2
Back Focal Length BFL (mm):
-27.33
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
8.1
Centering (arcmin):
<1
Center Thickness CT 1 (mm):
2.00
Center Thickness CT 2 (mm):
2.55
Center Thickness Tolerance (mm):
±0.2
Radius R1 (mm):
-17.75
Radius R2 (mm):
12.17
Radius R3 (mm):
109.75
Edge Thickness ET (mm):
5.13
Substrate:
Surface Quality:
40-20
f/#:
2.78
Numerical Aperture NA:
0.18
Coating:
MgF2 (400-700nm)
Coating Specification:
Ravg ≤1.75% @ 400 - 700nm
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Bevel:
Protective bevel as needed
Type:
Negative Achromatic Lens
Wavelength Range (nm):
400 - 700

Regulatory Compliance

RoHS 2015:
REACH 201:

產品系列說明

TECHSPEC® MgF2 鍍膜負消色差透鏡由兩個黏合在一起的光學元件組成。負膠合雙透鏡針對色彩及軸上像差進行校正。TECHSPEC MgF2 鍍膜負消色差透鏡主要作為巴洛鏡頭,用於延伸焦距。這類透鏡通常搭配使用正消色差反射鏡系統及成像鏡頭。

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