Optical Components | Janostech.com

Negative Meniscus

Specification	Standard
Material	As indicated below
Diameter Tolerance	+0.00mm / - 0.102mm
Design Wavelength	0.19µm
Effective Focal Length	± 1% @ design wavelength
Thickness Tolerance	± 0.127mm
Clear Aperture	70% central diameter
Surface Quality	As indicated below
Standard Bevel	0.005" – 0.060" face width depending on diameter
Coating	Uncoated

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)	Edge Thickness Variation (ETV)	CT (mm)	DWL 0.19µm	Surface Irregularity	Surface Quality	Part Number	Price	Discounted Price	Action
MgF₂	19.05	6'	2.54	-32.489	0.5 fringes @ 0.63µm	20-10	903751-01	176.00	105.60

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