41
Shooting mode Normal / SP / Stereo (electrically switched)
Stereoscopic photography method Simultaneous stereo photography
Stereo photography parallax 7.4° (at the 0 diopter eye)
Field angle
Normal mode : 45°
SP mode : 45°
Stereo mode : 34° (20° horizontal and 27° vertical directions)
*
Some eyes may cause a are around their circumference.
Tolerance of pixel pitch on fundus
(ISO 10940)
Normal image : S
*
( 9 μm ± 7 %)
L
*
(4.5 μm ± 7 %)
Stereo image : S
*
(5.5 μm ± 7 %)
L
*
(2.7 μm ± 7 %)
Working distance 30 mm
Minimum pupil size
Normal mode :
4.0 mm
SP mode :
3.5 mm
Stereo mode :
4.0 mm
Compensation range of
examined eye
Withou
t compensation : −12 m
-1
(D) to +13 m
-1
(D)
Compensation + : +10 m
-1
(D) to +35 m
-1
(D)
Compensation − : −32 m
-1
(D) to −10 m
-1
(D)
Focusing Split luminous bars coincidence
Working distance adjustment 2 luminous dots indication type
Camera Specic Nikon digital SLR camera
Monitor 5.7-inch LCD monitor
Light source
Observation
: Near-infrared LED
Photography : Xenon ash lamp
Internal xation target Central, Disc, Macula,mosaic 8 positions
Opti
cal head base adjustment range
Movable 40mm forward/backward
Movable 98mm leftward/rightward
Movable 27mm vertically (electric)
Chin rest adjustment range Movable 55mm (electric)
Interfaces
Image output : USB (B type)
Imaging conditions output
: USB (mini-B type )
Numerical keypad input : USB (A type)
Power supplies
Input : AC100-240V, 50/60Hz
Power consumption : 150V
A
Dimensions 310(W)x504(D)x548(H)mm
Weight 21kg / 46lbs (excluding the attached digital SLR camera)
*S/L : Image size set on the digital camera
Compliance standard
• EN 60601-1:1990+A1:1993+A2:1995
• EN 60601-1-2:2001+A1:2006
Classication of equipment based on EN 60601-1
• According to the type of protection against electric shock
(Class
device)
• According to the degree of protection against electric shock
(Type B applied part)
• According to the type of protection against ingress of water as detailed in the current edition of IEC60529.
(IPX0)
• According to the degree of safety of application in the presence of a ammable anaesthetic mixture with air or with
oxygen or nitrous oxide.
(Equip
ment not suitable for use in the presence of a flammable anesthetic mixture with air or with
oxygen or nitrous oxide)
• According to the mode of operation.
(continuous operation)
Complied EC Directive
Medical Device Detective 93/42/EEC :
WEEE Directive 2002/96/EC
11 Specications