Nidek Medical AFC-330, Руководство оператора

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SPECIFICATIONS AND ACCESSORIES : Specifications
5
5.2 Specifications

Device specifications
• Type
Non-mydriatic fundus camera
• Angle of view
45º (33º in Small pupil photography mode)
• Magnification
0.42x
• Resolution
60 line pairs/mm or more in the central area
40 line pairs/mm or more in the middle area
25 line pairs/mm or more in the peripheral area
• Dot pitch on fundus
4.4 µm
• Working distance
45.7 mm (from the objective lens to the cornea)
• Working distance detection method (anterior eye)
Working distance indicator
• Minimum required pupil diameter
4 mm in diameter (In Small pupil photography mode: 3.3 mm in diameter)
• Image display
8.4-inch color LCD touch-screen
• Dioptric compensation for patient’s eye
− 33 to + 35 D in total
− 33 to − 7 D with minus compensation lens
−
12 to
+
15 D with no compensation lens
+
11 to
+
35 D with plus compensation lens
• Focusing method (fundus)
Infrared focus split alignment
Adjustable range: -12 to
+
15 D
• Auto focus range (fundus)
−
12 to +15 D
• Light source
For observation—Halogen lamp 12 V 50 W
For capturing—Xenon flash lamp 300 W·s
• Flash intensity adjustable range
17 levels from FL1 (F4.0
+
0.8 EV) to FL17 (F16
+
0.8 EV)
• Flash intensity adjustment increments
0.5 EV
• Internal fixation lamp
LED (A maximum of 9 points can be selected out of 12 points in total)
(Selectable patterns) Standard (3 points) / Advanced (7 points) / Panorama (2 to 9 points)
• Vertical movement range
32 mm
• Horizontal movement range
Forward and backward: 40 mm, Left and right: 85 mm
• Auto tracking range
±
16 mm up and down
±
5 mm right and left
± 5 mm forward and backward
• Chinrest movement range
62 mm vertically (motorized)
• Interface
USB 2.0
LAN (Ethernet)