Product added to cart
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 -20mm FL, Inked, Negative Doublet Lens MgF2 Coated

×
Stock #62-475-INK 10-15 days
×
Other Coating Options
×
Quantity Selector - Use the plus and minus buttons to adjust the quantity. +
NT$3,220
Qty 1-5
NT$3,220
Qty 6+
NT$2,573
Volume Pricing
Request Quote
下載產品資料
Diameter (mm):
12.50 ±0.025
Effective Focal Length EFL (mm):
-20.00
Focal Length Tolerance (%):
±1
Back Focal Length BFL (mm):
-22.88
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
11.50
Centering (arcmin):
<1
Center Thickness CT (mm):
5.50 ±0.10
Center Thickness CT 1 (mm):
2.00 ±0.05
Center Thickness CT 2 (mm):
3.50 ±0.05
Radius R1 (mm):
-13.80
Radius R2 (mm):
9.99
Radius R3 (mm):
109.48
Edge Thickness ET (mm):
7.01
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
40-20
f/#:
1.6
Numerical Aperture NA:
0.31
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:
Certificate of Conformance:

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。

 
Sales & Expert Advice
 
or view regional numbers
Easy-to-Use
QUOTE TOOL
enter stock numbers to begin