| Feature | | Specification |
| | |
| No of spots with standard camera | | 30 x 30 |
| | |
| Maximum no. of spots (large camera) | | 100 x 100 |
| | |
| Maximum diameter that can be tested | | 20 mm |
| | |
| Repeatability of measurements of the Zernike polynomials | | λ/300 |
| | |
| Repeatability of wavefront measurements | | λ/200 |
| | |
| Accuracy | | About λ/10 |
| | |
| Absolute precision | | Depends on the type of optical element. Typically λ/10 for spherical surfaces |
| | |
| Tilt measurement accuracy (angle， depends on the size of optical element) | | 4祌ad |
| | |
| Wavelength range | | 0.35 µ -1.1 µ |
| | |
| Dynamic range of measurements by sub-pupil (tilt subtracted， depends from combination of aberrations) | | ~ ± 50 λ |
| | |
| Asphericity range | | About 15% variation in LSA (longitudinal spherical aberration) |
| | |
| Acquisition speed (standard camera). Faster speeds available on request | | 4 Hz |
| | |
| Mounting option | | Can be mounted vertically or horizontally |
| | |
| Mounting of optical elements | | Optical system to be tested easily mounted on central mounting slide |
| | |
| Easy access to optical elements | | Access to the mounting plate of Lentino is from the front of the instrument |
| | |
| Dimensions (L x W x H) | | 22 x 20 x 60 cm |
| | |
| Weight(approximate) | | 15 Kg |
| | |
| Input voltage (for motor movement) | | Power supply 500 mA， 9 V |
