Interferometer Lenses
● Suitable for measuring optical components and systems, easy to locate and install, ideal for measuring large aperture optical systems such as concave telescopes, lenses, and long focal length systems;
● Suitable for harsh environments and difficult inspections, measurement speed is limited only by exposure time and not by CCD frame rate;
● Insensitive to vibration, reducing the impact on airflow;
● Large-size optics and system design to meet the inspection needs of different specifications;
● Matching 4D Technology Interferometer.
| Name | Model (mm) | Wavelength (λ) | Clear Aperture | Accuracy (PV) |
| 4D Technology F1 | EFL=7 | 632.8nm | 9mm | λ/10 |
● Suitable for measuring optical components and systems, easy to locate and install, ideal for measuring large aperture optical systems such as concave telescopes, lenses, and long focal length systems;
● Suitable for harsh environments and difficult inspections, measurement speed is limited only by exposure time and not by CCD frame rate;
● Insensitive to vibration, reducing the impact on airflow;
● Large-size optics and system design to meet the inspection needs of different specifications;
● Matching 4D Technology Interferometer.
| Name | Model (mm) | Wavelength (λ) | Clear Aperture | Accuracy (PV) |
| 4D Technology F2.5 | EFL=17.5 | 632.8nm | 9mm | λ/10 |
● Suitable for measuring optical components and systems, easy to locate and install, ideal for measuring large aperture optical systems such as concave telescopes, lenses, and long focal length systems;
● Suitable for harsh environments and difficult inspections, measurement speed is limited only by exposure time and not by CCD frame rate;
● Insensitive to vibration, reducing the impact on airflow;
● Large-size optics and system design to meet the inspection needs of different specifications;
● Matching 4D Technology Interferometer.
| Name | Model (mm) | Wavelength (λ) | Clear Aperture | Accuracy (PV) |
| 4D Technology F5 | EFL=35 | 632.8nm | 9mm | λ/15 |
● Suitable for measuring optical components and systems, easy to locate and install, ideal for measuring large aperture optical systems such as concave telescopes, lenses, and long focal length systems;
● Suitable for harsh environments and difficult inspections, measurement speed is limited only by exposure time and not by CCD frame rate;
● Insensitive to vibration, reducing the impact on airflow;
● Large-size optics and system design to meet the inspection needs of different specifications;
● Matching 4D Technology Interferometer.
| Name | Model (mm) | Wavelength (λ) | Clear Aperture | Accuracy (PV) |
| 4D Technology F9 | EFL=9 | 632.8nm | 9mm | λ/10 |
● Suitable for measuring optical components and systems, easy to locate and install, ideal for measuring large aperture optical systems such as concave telescopes, lenses, and long focal length systems;
● Suitable for harsh environments and difficult inspections, measurement speed is limited only by exposure time and not by CCD frame rate;
● Insensitive to vibration, reducing the impact on airflow;
● Large-size optics and system design to meet the inspection needs of different specifications;
● Matching 4D Technology Interferometer.
| Name | Model (mm) | Wavelength (λ) | Clear Aperture | Accuracy (PV) |
| 4D Technology F10 | EFL=100 | 632.8nm | 9mm | λ/15 |
● Suitable for measuring optical components and systems, easy to locate and install, ideal for measuring large aperture optical systems such as concave telescopes, lenses, and long focal length systems;
● Suitable for harsh environments and difficult inspections, measurement speed is limited only by exposure time and not by CCD frame rate;
● Insensitive to vibration, reducing the impact on airflow;
● Large-size optics and system design to meet the inspection needs of different specifications;
● Matching 4D Technology Interferometer.
| Name | Model (mm) | Wavelength (λ) | Clear Aperture | Accuracy (PV) |
| 4D Technology F14 | EFL=14 | 632.8nm | 9mm | λ/10 |
● Suitable for measuring optical components and systems, easy to locate and install, ideal for measuring large aperture optical systems such as concave telescopes, lenses, and long focal length systems;
● Suitable for harsh environments and difficult inspections, measurement speed is limited only by exposure time and not by CCD frame rate;
● Insensitive to vibration, reducing the impact on airflow;
● Large-size optics and system design to meet the inspection needs of different specifications;
● Matching 4D Technology Interferometer.
| Name | Model (mm) | Wavelength (λ) | Clear Aperture | Accuracy (PV) |
| 4D Technology F27 | EFL=27 | 632.8nm | 9mm | λ/15 |
● Suitable for measuring optical components and systems, easy to locate and install, ideal for measuring large aperture optical systems such as concave telescopes, lenses, and long focal length systems;
● Suitable for harsh environments and difficult inspections, measurement speed is limited only by exposure time and not by CCD frame rate;
● Insensitive to vibration, reducing the impact on airflow;
● Large-size optics and system design to meet the inspection needs of different specifications;
● Matching 4D Technology Interferometer.
| Name | Model (mm) | Wavelength (λ) | Clear Aperture | Accuracy (PV) |
| 4D Technology F35 | EFL=35 | 632.8nm | 9mm | λ/15 |
● Suitable for measuring optical components and systems, easy to locate and install, ideal for measuring large aperture optical systems such as concave telescopes, lenses, and long focal length systems;
● Suitable for harsh environments and difficult inspections, measurement speed is limited only by exposure time and not by CCD frame rate;
● Insensitive to vibration, reducing the impact on airflow;
● Large-size optics and system design to meet the inspection needs of different specifications;
● Matching 4D Technology Interferometer.
| Name | Model (mm) | Wavelength (λ) | Clear Aperture | Accuracy (PV) |
| 4D Technology F45 | EFL=45 | 632.8nm | 9mm | λ/15 |
● Suitable for measuring optical components and systems, easy to locate and install, ideal for measuring large aperture optical systems such as concave telescopes, lenses, and long focal length systems;
● Suitable for harsh environments and difficult inspections, measurement speed is limited only by exposure time and not by CCD frame rate;
● Insensitive to vibration, reducing the impact on airflow;
● Large-size optics and system design to meet the inspection needs of different specifications;
● Matching 4D Technology Interferometer.
| Name | Model (mm) | Wavelength (λ) | Clear Aperture | Accuracy (PV) |
| 4D Technology F70 | EFL=70 | 632.8nm | 9mm | λ/15 |
● Suitable for measuring optical components and systems, easy to locate and install, ideal for measuring large aperture optical systems such as concave telescopes, lenses, and long focal length systems;
● Suitable for harsh environments and difficult inspections, measurement speed is limited only by exposure time and not by CCD frame rate;
● Insensitive to vibration, reducing the impact on airflow;
● Large-size optics and system design to meet the inspection needs of different specifications;
● Matching 4D Technology Interferometer.
| Name | Model (mm) | Wavelength (λ) | Clear Aperture | Accuracy (PV) |
| 4D Technology F80 | EFL=80 | 632.8nm | 9mm | λ/15 |
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