|
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)
|
|
4µrad
|
| | |
|
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
|
| | |
