| 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 |
| Live Chat: | Last Online:28 Dec, 2017 |
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
|
| Payment Terms: | TT/LC/Wester union/other |
|---|---|
