Bosch Varifocal 960H Installation guide
Video | Varifocal 960H Lenses
Varifocal 960H Lenses
www.boschsecurity.com
uVarifocal lenses with 960H optical resolution
uHigh-quality optics
u1/3-inch formats
uReliable, robust construction
uDC-iris models
This family of 960H lenses comprises varifocal lenses
with DC-iris control. They are compact, rugged lenses
in 1/3‑inch image formats. The lenses range from wide-
angle to telephoto to cover virtually all applications in
CCTV observation systems.
The lenses deliver impressive optical quality due to
their 960H resolution, contrast reproduction, and
coating.
System overview
Higher resolution sensors, with even smaller pixel
sizes, require higher resolution lenses to deliver their
full potential. The lenses in this family are specifically
designed for the Bosch range of 960H DINION
cameras. To get the maximum resolution from a 960H
camera, you need to select a lens which can match
sensor resolution not only at the center, but also at
the edges and at different iris openings.
The Modulation Transfer Function (MTF) specification
is an indication of the resolution, contrast, and
sharpness performance of a lens. Lens resolution is
normally measured in line pairs per millimeter (lp/
mm). The MTF of each lens gives the maximum
resolution in terms of lp/mm for a given scene.
Both the LVF-4000C and LVF-5000C range have
excellent daytime resolution. The LVF-5000C range is
best suited to wide dynamic range (WDR) cameras and
cameras that are used to capture more details at
night. The LTC 3664/31 lens offers excellent
performance in low-light scenes with an aperture of
F1.0.
The measured MTF specifications are only one aspect
of a lens’s quality. Special anti-reflective coatings to
reduce flare, better aberration performance and lower
distortion also contribute to their suitability for
different cameras.
Functions
DC iris control
For auto iris control, all lenses use the standard four-
pin EIAJ connector, which fits directly into the
camera's iris output.
Wide range
The extent of the range means that an installer is
always able to select the most appropriate lens for
both camera and application.
For optimizing angular fields right on site, varifocal
lenses are the most versatile and practical solution
available. These lenses allow for setting virtually any
angle of field, which maximizes surveillance effects.
Installers do not need to carry several different focal
length lenses – and installation is more efficient
because they can find the right angles of field without
moving the camera set-up. If the field-of-view
requirements change after installation, modification is
simple by just altering the lens’ focal length settings.
IR corrected
All lenses in this range are IR corrected to match the
wide range of light conditions covered by our cameras.
Infrared corrected lenses provide fully adjusted and
sharp focused images in daylight and at night when
used in conjunction with IR illuminators. This makes IR
lenses the best choice for high performance day/night
cameras.
Robust
The mechanical construction is designed to withstand
both frequent iris control operations and the
environmental stress of security installations. For
flexible, high-quality, reliable lenses that match a 960H
camera’s performance, this family is the ideal solution.
Certifications and approvals
Region Certification
Europe CE
Installation/configuration notes
4-pin DC-iris connector (front view)
Pin 1: Damping coil -
Pin 2: Damping coil +
Pin 3: Driving coil + (open)
Pin 4: Driving coil -
Technical specifications
Electrical/mechanical
See comparison table at the end of this datasheet.
Environmental
Operating Humidity Up to 93% non-condensing
Certification CE
Ordering information
LVF-4000C-D0550 Varifocal Lens
960H, 1/3-inch, 5-50 mm, DC-iris, CS-mount, F1.4, IR
corrected lens
Order number LVF-4000C-D0550
LVF-4000C-D2812 Varifocal Lens
960H, 1/3-inch, 2.8-12 mm, DC-iris, CS-mount, F1.3, IR
corrected lens
Order number LVF-4000C-D2812
LVF-5000C-D0550 Varifocal Lens
960H, 1/3-inch, 5-50 mm, DC-iris, CS-mount, F1.6, IR
corrected lens
Order number LVF-5000C-D0550
LVF-5000C-D2811 Varifocal Lens
960H, 1/3-inch, 2.8-11 mm, DC-iris, CS-mount, F1.4, IR
corrected lens
Order number LVF-5000C-D2811
LTC 3664/31 Varifocal Lens
960H, 1/3-inch, 3-8 mm, DC-iris, CS-mount F1.0, IR
corrected lens
Order number LTC 3664/31
2 | Varifocal 960H Lenses
960H Lenses
LVF-4000C-D2812
Varifocal Lens
LVF-4000C-D0550
Varifocal Lens
LVF-5000C-D2811
Varifocal Lens
LVF-5000C-D0550
Varifocal Lens
LTC 3664/31
Varifocal Lens
Max. sensor format 1/3 inch 1/3 inch 1/3 inch 1/3 inch 1/3 inch
Focal length 2.8 – 12 mm 5.0 – 50 mm 2.8 – 11 mm 5.0 – 50 mm 3.0 – 8 mm
Iris range F1.3 - 360 F1.4 - 360 F1.4 - 360 F1.6 - 360 F1.0 - 360
Min object distance 0.3 m (1.0 ft) 0.5 m (1.6 ft) 0.3 m (1.0 ft) 0.3 m (1.0 ft) 0.2 m (0.7 ft)
Weight 71 g (0.16 lb) 118 g (0.1 lb) 79 g (0.17 lb) 85 g (0.1 lb) 45 g (0.1 lb)
Dimensions
(approx.)
∅38 x 48 x 56 mm
∅1.5 x 1.9 x 2.2 in
∅37 x 64 x 49 mm
∅1.5 x 2.5 x 1.9 in
∅40 x 59 x 46 mm
∅1.6 x 2.3 x 1.8 in
∅41 x 59 x 55 mm
∅1.6 x 2.3 x 2.2 in
∅33 x 43 x 48 mm
∅1.3 x 1.7 x 1.9 in
Lens mount CS CS CS CS CS
Angle of view (HxV) W: 102.2 x 74.2
T: 23.7 x 17.8
W: 49 x 36.7
T: 5.47 x 4.1
W: 97.4 x 72.4
T: 26.2 x 19.7
W: 51.2 x 39.4
T: 5.3 x 4.1
W: 92.5 x 68
T: 35.7 x 26.8
MTF on-axis (lp/mm) >178
>146 (IR)
>145
>119 (IR)
>250
>223 (IR)
>165
>144 (IR)
>178
>58 (IR)
MTF off-axis (lp/mm) >123
>79 (IR)
>71
>30 (IR)
>145
>131 (IR)
>81
>30 (IR)
>77
>55 (IR)
Iris control 4-pin, DC control 4-pin, DC control 4-pin, DC control 4-pin, DC control 4-pin, DC control
Focus control manual manual manual manual manual
Zoom control manual manual manual manual manual
IR corrected yes yes yes yes yes
Operating temperature -10°C to +50°C
(+14°F to +122°F)
-20°C to +50°C
(-4°F to +122°F)
-20°C to +60°C
(-4°F to +140°F)
-10°C to +50°C
(+14°F to +122°F)
-20°C to +60°C
(-4°F to +140°F)
3 | Varifocal 960H Lenses
Represented by:
Americas: Europe, Middle East, Africa: Asia-Pacific: China: America Latina:
Bosch Security Systems, Inc.
130 Perinton Parkway
Fairport, New York, 14450, USA
Phone: +1 800 289 0096
Fax: +1 585 223 9180
www.boschsecurity.us
Bosch Security Systems B.V.
P.O. Box 80002
5617 BA Eindhoven, The Netherlands
Phone: + 31 40 2577 284
Fax: +31 40 2577 330
www.boschsecurity.com
Robert Bosch (SEA) Pte Ltd, Security
Systems
11 Bishan Street 21
Singapore 573943
Phone: +65 6571 2808
Fax: +65 6571 2699
www.boschsecurity.asia
Bosch (Shanghai) Security Systems Ltd.
201 Building, No. 333 Fuquan Road
North IBP
Changning District, Shanghai
200335 China
Phone +86 21 22181111
Fax: +86 21 22182398
www.boschsecurity.com.cn
Robert Bosch Ltda Security Systems Division
Via Anhanguera, Km 98
CEP 13065-900
Campinas, Sao Paulo, Brazil
Phone: +55 19 2103 2860
Fax: +55 19 2103 2862
www.boschsecurity.com
© Bosch Security Systems 2013 | Data subject to change without notice
11449838603 | en, V1, 28. Aug 2013
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