|
|
wave front
sensor type |
Shack-Hartmann |
|
|
number of
microlenses:
MultiSpot-250
MultiSpot-250-HS
MultiSpot-1000 |
250
250
1000 |
|
|
refraction
compensator
(automatically or manually) |
from -14 up to
+16 D |
|
|
astigmatism
compensator
(automatically or manually) |
from -5 up to +5
D |
|
|
refraction
measurement range |
from -16 up to
+20 D |
|
|
astigmatism
measurement range |
from -7 up to +7
D |
|
|
measurement
accuracy |
0.1 D |
|
|
input pupil
location |
43 mm ahead of
the front cover |
|
|
input pupil
diameter |
up to 8 mm |
|
|
reference
source |
· laser diode,
mechanical scanner
·
λ=785±25
nm
· power <100 μW |
|
|
single
measurement time:
MuliSpot – 250
MuliSpot – 250-HS
MuliSpot – 1000 |
30 msec
12 msec
50 msec |
|
|
number of
frames
in one series
with possibility
of statistical processing |
up to 600 |
|
|
alignment
procedure |
· CCD-camera centered
with respect to the visual axis
· IR markers projected
onto the iris
to set the working distance |
|
|
software |
Windows 2000/XP/Vista |
|
|
output data |
· aberrations
(up to 36
Zernike
polynomials)
· wavefront map
· optical power map
· error map
· spot displacement map
(raw data)
· image from
the Shack-Hartmann Sensor |
|
|
power supply |
· 120/240 V
· 50/60 Hz |
|
|
input power |
<30 W |
|
|
size |
400x600x500 mm |
|
|
weight |
<20 kg |
