Technical
data
Setting
range
Spherical
lenses
-29.00
D
to
+26.75
D.
-19.00
D
to
+16.75
D
(when
using
a
cross
cylinder
or
a
prism)
(steps
of
0.125
D)
Toric
lenses
Cylinder
power
0.00
D
to
8.75
D
(steps
of
0.25
D)
Cylinder
axis
0°
to
180°
(steps
of
1˚)
Cross
cylinder
±
0.25
D
±
0.50
D
±0.25
D
(dual
cross
clyinder)
Prismatic
lenses
0
∆
to
20
∆
(steps
of
0.1
∆
)
PD
48
mm
to
80
mm
(steps
of
0.25
mm)
Near-point
examination
57
PD
Working
distance,
50
mm
to
74
mm
35
cm
to
70
cm
Retinoscope
lenses
+1.5
D,
+2.0
D
(distance,
67
cm,
50
cm)
Special
lenses
Aperture
diaphragm
∅
2
mm
Maddox
filter
right
eye:
red/horizontal,
left
eye:
red/vertical
Red/green
filter
right
eye:
red,
left
eye:
green
Polarization
filter
Right
eye:
(135°,
45°),
left
eye:
(45°,
135°)
Dissociating
prism
Right
eye:
6
Δ
BU
Left
eye:
10
Δ
BI
(up
to
5
Δ
complement)
Cross
cylinder,
fix
(±0.50
D,
axis
90°)
Visual
field
40°
(CVD:
12
mm)
HF transmitter specifications
Frequency
range
2400
MHz
to
2483.5
MHz
Transmission
power
max.
4.7
dBm
Modulation
type
FHSS
Channel
79
channel
Antenna
amplification
max.
2.0
dBi
Working
temperature
-10
°C
to
+35
°C
Supply
voltage
100
V
to
240
V
AC
Line
frequency
50/60
Hz
Power
consumption
1.0
A
to
0.5
A
000000-2075-933-GA-en-GB-230822
