Golden Way Scientific is a leading manufacturer of spherical lenses, producing millions of precision quality lenses every year. Whether you require small quantities of spherical lenses for prototyping, a few dozen for pre-production, or large volumes for full-scale production, Golden Way Scientific has the capabilities to ensure the success of your projects.
| Spherical Lens Manufacturing Specifications | ||||
| Commercial | Standard | Precision | Best Effort | |
| Diameter | 1.0 – 300.0mm | 1.0 – 300.0mm | 1.0 – 300.0mm | 1.0 – 300.0mm |
| Diameter Tolerance | -0.100mm | -0.05mm | -0.01mm | -0.005mm |
| Thickness Tolerance | ±0.100mm | ±0.050mm | ±0.020mm | ±0.005mm |
| Sag Height | ±0.050mm | ±0.025mm | ±0.010mm | ±0.005mm |
| Clear Aperture | 80% | 90% | 90% | Full Surface |
| EFL Tolerance | ±2.0% | ±2.0% | ±1.0% | ±0.5% |
| Power (P-V) @ 632.8nm | 3.0 waves | 1.5 waves | 0.5 wave | 0.5 wave |
| Irregularity (P-V) @ 632.8nm | 1.0 wave | 0.25 wave | 0.1 wave | 0.05 wave |
| Centering (Beam Deviation) | 3-5 arcmin | 3 arcmin | 1 arcmin | 0.25 arcmin |
| Surface Quality | 80-50 | 40-20 | 20-10 | 10-5 |
| Bevel | <1.0mm | <0.5mm | <0.25mm | <0.1mm |
| Measurement parameters | EFL, R, Center Deviation, FFL, BFL, MTF, Wedge Angle (Parallelism) |
| EFL test range |
+1 ~ +2000mm
-1 ~ -1500mm |
| EFL measurement accuracy | 0.03% ~ 0.30% |
| R,BFL test range | ±1mm ~ ±750mm |
| R BFL measurement accuracy | 0.05% ~ 0.30% |
| Center Deviation Test Range | ±1mm ~ ±2000mm |
| Center deviation measurement accuracy | ±0.2um or ±2 arcsec |
| Wedge angle (parallelism) measurement accuracy | ±1 arcsec |
| Applications and Measurements | Contact spherical curvature radius measurement |
| Curvature radius test range | L±6mm ~ ∞ |
| Diameter of sample to be tested | 10 ~ 500mm |
| Curvature Radius Measurement Accuracy | 0.005% |
| Linear encoder working distance | ±30mm |
|
Linear encoder absolute accuracy
|
0.05um |
| Measurement mode | Reflection method to measure the angle between any two adjacent polished surfaces of a prism |
| Measuring range | 0 ~ 360° |
| Measurement accuracy |
Single measurement: 0.50" Multiple measurements: 0.20" |
| Rotary encoder resolution | 0.036” |
| Rotary encoder accuracy | 0.20” |
| Standard lens diameter | 100mm |
| Flat Standard Lens Accuracy | Lambda/20 @ 633nm |
| Measurement repeatability | Lambda/100 @ 633nm |
| Spherical standard lens F-number |
F/0.65, F/1.6, F/3.3,
F/7.0,F/1.0,F/10.7 |
| Spherical Standard Lens Accuracy | Lambda/10 @ 633nm |
| Applications and Measurements |
Transmittance and
reflectance measurement
of planar components |
| wavelength range | UV/VIS/IR (185nm ~ 3300nm) |
| UVVis sub-band resolution | ≤0.05nm |
| Infrared band resolution | ≤0.20nm |
| Stray light@220nm &340nm&370nm | ≤0.00007%T |
| wavelength repeatability | ≤0.20nm |
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