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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC®組件由愛特蒙特光學設計、指定或製造。進一步瞭解

12.5mm Dia x -25mm FL Negative Doublet Lens MgF2 Coated

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Stock #45-219 5-7 Days
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NT$2,940
Qty 1-5
NT$2,940
Qty 6+
NT$2,345
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Specifications

概況

Type:
Negative Achromatic Lens

物理和機械特性

Diameter (mm):
12.50 +0.0/-0.025
Clear Aperture CA (mm):
11.50
Centering (arcmin):
<1
Center Thickness CT (mm):
4.55 ±0.10
Center Thickness CT 1 (mm):
2.00 ±0.05
Center Thickness CT 2 (mm):
2.55 ±0.05
Edge Thickness ET (mm):
5.74
Bevel:
Protective bevel as needed

光學特性

Effective Focal Length EFL (mm):
-25.00
Focal Length Tolerance (%):
±1
Back Focal Length BFL (mm):
-27.33
Focal Length Specification Wavelength (nm):
587.6
Radius R1 (mm):
-17.75
Radius R2 (mm):
12.17
Radius R3 (mm):
109.75
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
40-20
f/#:
2.00
Numerical Aperture NA:
0.25
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
Wavelength Range (nm):
400 - 700

Regulatory Compliance

RoHS 2015:
Reach 219:
Certificate of Conformance:

產品概覽

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。

Technical Information

Coating Curves

  • MgF₂ (400-700nm)
Only 2 different Y Axises can be displayed at one time.

請注意,每種產品指定設計範圍以外的鍍膜性能僅為理論值,可能實用時會有所不同。

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