Double-Convex Lenses -CHUO PRECISION INDUSTRIAL CO.,LTD.-

Double-Convex Lenses

Double-convex lens (uncoated)

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Double-convex (DCX) lenses has two outward curved surfaces, a positive focal length and is useful for 1:1 imaging and in multi-element systems.

Classification	Double-convex lens (DCX)
Coating	Uncoated
External form D(mm)	φ15.0
f(mm)	+20.0
B.f(mm)	18.99
t1(mm)	1.63
t2(mm)	3.5
Radius R1(mm)	30.6
Material	N-SF11
Surface quality	60-40
Clear Aperture(mm)	[Dia.] -1.5
Externals Tolerance(mm)	0/-0.1
Enter Thickness Tolerance(mm)	±0.1
Centering(mm)	3′～5′
Bevel	MAX 0.3
Design Wavelength DWL	587.6nm
Focal Length Tolerance(mm)	±1％
Edge Thickness ET	Reference