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Negative Meniscus

Specification Standard
Material As indicated below
Diameter Tolerance +0.00mm / - 0.13mm or As indicated below
Design Wavelength As Indicated below
Effective Focal Length ± 1% @ design wavelength
Thickness Tolerance ± 0.25mm
Edge Thickness Variation ± 0.25mm
Clear Aperture 80% central diameter
Surface Irregularity As indicated below
Surface Quality As indicated below
Standard Bevel 0.005" – 0.060" face width depending on diameter
Coating As indicated below

Notes:
In reference to the columns below labeled "DWL", this means Design Wavelength & refers to the Effective Focal Length(mm) for each lenses.

Note: Items below are available While Supplies Last.


 Material 

 Diameter
(mm) 

 CT (mm) 

 DWL
10.6µm 

 Surface
Quality 

 Surface
Irregularity 

 Coating 

 Part Number 

Price
Discounted Price
Action
ZnSe19.05
+0, -0.05		2.25-54.86540-201 fringe @ 0.63µmAR @ 10.6µm9000-5126553.00331.80
ZnSe25.42.658-7580-501 fringe @ 0.63µmBoth Sides
AR @ 3-5µm		A1201C108813.00487.80


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