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
Product Details
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
| Structure | Bi Convex Lens |
| Material | Optical glass, UVFS,Germanium, Silicon, CaF2, MgF2, ZnSe ZnS, Sapphire |
| Diameters Available | 0.35mm to 600mm |
| Diameter Tolerance | +0.00/-0.01mm or customer design |
| Surface Quality | 10-5 |
| Surface Irregularity | λ/10 @632.8nm or customer design |
| Thickness tolerance | +0/-0.02mm |
| Clear Aperture | >90% of Diameter |
| Chamfer | 0.05-0.5mmx45degree, according to customer's needs. |
| Centeration | 3 arcmin |
| Coating | Single Mag2, Multiple Layers AR Coating A:350-650nm B:650-1050nm C:1050-1585nm D: Customer Design |
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 | 25.40 | 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 |
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