Bi Convex Lens

Model:	SGH
Brand:	SUNDAY
Origin:	Made In China
Category:	Electronics & Electricity / Electronic Instrument / Analysis Instrument
Label:	optics lens , Caf2 Sapphire ZnSe , Bi Convex Lens
Price:	US $5 / pc
Min. Order:	1 pc

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Product Description

Bi Convex Lens

Double convex lens has two convex focal length which used for various applications such as magnifying,optics and laser systemsSunday can manufacture double convex lenses with two equal radius or two different convex radius.

Specifications

Dia.	N-BK7
Diameter Tol.	+0.00/-0.1mm
Desigh Wavelength	546.10nm
Design Index	1.5183
Centration	<3arcmin
Clear Aperture	>90%
S/D	40-20 Scratch and dig
Flatness	1/4lambda at 632.80nm
Chamfer	0.25mmx45°
Focal Length Tol.	+/-1%

Bk7 Standard Double Convex Lens

No.	EFL(mm)	Dia.(mm)	R1=R2(mm)	Material	Tc(mm)	Te(mm)
SD2A125	20	12.70	20.01	BK7	4.00	2.00
SD2A125	50	12.70	51.35	BK7	2.79	2.00
SD2A127	75	12.70	77.30	BK7	2.60	2.00
SD2A120	100	12.70	103.25	BK7	2.40	2.00
SD2A252	25.4	25.40	24.712	BK7	9.00	2.00
SD2A255	50.00	25.40	50.92	BK7	5.20	2.00
SD2A257	75.00	25.40	77.09	BK7	4.11	2.00
SD2A250	100	25.40	103.04	BK7	3.57	2.00
SD2A252	200	25.40	207.00	BK7	2.78	2.00
SD2A25B	250	25.40	258.90	BK7	2.62	2.00
SD2A25C	500	25.40	508.30	BK7	2.31	2.00

Manufacture Specifications

Diameter	0.5mm to 600mm
Diameter Tolerance	+0.00/-0.1 or customer size
Material	N-BK7,H-K9L,Sapphire,Fused Silica(JGS1),Caf2,ZnSe,Si,Ge,etc.
Surface Quality	80-50 to 10/5
Flatness	1 lambda to 1/10 lambda
Thickness Tolerance	+0.00/-0.05mm
Focal Length Tolerance	+/-1%
Clear Aperture	>90% of diameter
Centration	<3arcmin
Coating	Single Mag2, Multiple Layers AR Coating A:350-650nm B:650-1050nm C:1050-1585nm D: Customer Design