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Wiring
Open
Toward
Open
Lens
Drive
Coil
Damping
Coil
GREEN
BLUE
GRAY
WHITE
2
4
1
3
Connector
4-PIN PLUG
Aspherical
Lens
Vari-Focal
Wide Angle
DC Auto Iris
CS Mount
Metal Mount
ND Filter
Long Cable
Large
Aperture Ratio
RoHS
Compliant
YV2.1x2.8SR4A-SA2
Focal Length
（
mm
）
2.8 - 6 (2.1x)
Iris Range
F1.3 - T360(Equivalent to F360)
Operation
Zoom
Manual
Focus
Manual
Iris
Auto (DC type)*
1
Angle Of View
(
H×V
)
1/3"
WIDE
101°11' × 74°10'
TELE
46°58' × 35°09'
1/4"
WIDE
74°10' × 54°58'
TELE
35°09' × 26°19'
Angle Of View
(
H×V
)
Aspect Ratio
16
：
9
1/3"
WIDE
111°25' × 60°03'
TELE
51°13' × 28°41'
1/4"
WIDE
81°14' × 44°41'
TELE
38°18' × 21°30'
Focusing Range
（
From Front Of The Lens
）（
m
）
- 0.3
Object
Dimensions
at M.O.D.
(
H×V
) (
mm
)
1/3"
WIDE
758 × 470
TELE
270 × 197
1/4"
WIDE
470 × 323
TELE
197 × 145
Object
Dimensions
at M.O.D.
(
H×V
) (
mm
)
Aspect Ratio 16
：
9
1/3"
WIDE
914 × 359
TELE
298 × 159
1/4"
WIDE
533 × 256
TELE
216 × 118
Back Focal Distance
（
in air
）（
mm
）
9.03
Exit Pupil Position
（
From Image Plane
）（
mm
）
-222
Filter Thread
（
mm
）
–
Mount
CS
Mass
（
g
）
55
Coil Resistance
Drive Coil
190
Damping Coil
500
Current Consumption
23mA(Max.) at DC 4V
Remarks
•With Metal Mount
(*1) When power is turned off, iris will
automatically close.
YV2.1×2.8SR4A-SA2L : Long Cable Type(230mm)
2.1
×
HD Vari-Focal (2.8
-
6mm)
YV2.1x2.8SR4A-SA2
For Security
Unit : mm
IRIS CONTROL CABLE
(CONNECTOR : 4-PIN PLUG)
+30
0
100
52.3 MAX.
28
19
3.8
4.8
46.6
37.2
40.8
14.8 11.8
26.7
W
1:1.3/2.8-6mm
T
［
Lens Image
］
2.8mm
6mm
Applicable camera
(model)
1/ 3 1/41/22/31