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

Double-Convex Lenses

Double-convex lens (MgF2 coated)

Discontinued

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 (DCD)
Coating	MgF2 coated
External form D(mm)	φ20.0
f(mm)	+30.0
B.f(mm)	27.13
t1(mm)	1.37
t2(mm)	5
R1(mm)	17.82
R2(mm)	107.74
Material	N-BK7
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