KH21ex5.7 IRSE
Canon’s Philosophy :
Canon has always developed new technology with four basic philosophies, "High Quality of Picture", "Ease of Operation",
"High Specification" and "Minimize Environmental Impact". Canon's HDTV lenses are, so to speak, a compilation of our
basic philosophies. Now, Canon adds a new concept to the HDTV lenses by launching the new HDgc Series.
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Rotary Encoder
Display Switch
Momentary Iris Switch
Digital Function
Selector
The KH21ex5.7 is equipped with an enhanced
digital drive unit. Conventional potentiometers
are analog positional sensors capable of only 8-
10 bit equivalent resolution. Thus virtual ENG
studio systems called for an optional Encoder
Unit to be put on the zoom and focus ring of the
lens. With the introduction of 16 bit resolution
Rotary Encoder Devices built into the new
enhanced digital drive unit, the lens can simply
be integrated into a virtual digital studio system
without any additions. The encoders also enable
superior precise control. The zoom servo
provides a dynamic range of 0.5 sec. to over a 5
min. super slow zoom. Repeatability in focus
and iris control are also much more precise.
Canon’s unique technology has made the
encoder device surprisingly small to be installed
in the existing drive unit without changes in size
or weight.
Retum Switch
Informational
Display
VTR switch
Memory
Switch
[Aux2] switch for
enhanced operation
[Aux1] switch for
enhanced operation
Enhanced Digital Drive Unit
Ecological Design
Lens with Optional
Encoder Unit
Lens with Encoder Devices
included in the Drive Unit
New HDgc Logo
Built-in 2x Extender
Short M.O.D. 0.8m
(10mm with Macro)
Ecological Design
Dynamic Zoom Speed Range
Zoom Speed from 0.5sec. to over
5min. (From wide end to tele end)
The HDgc series has succeeded in reducing the
use of harmful and hazardous substances that
could pollute the environment.
●
Zoom Ratio 21x
• Reduced Chromatic Aberrations
• High and Flat MTF
• Countermeasures Against Ghosting and Flares
HDTV Optical Performance
SPECIFICATIONS
KH21ex5.7 IRSE
16:9
Built-in extender
1.0X
2.0X
Zoom Ratio
21X
Range of Focal Length
Maximum Relative Aperture
Angular Field of View
Minimum object Distance (M.O.D.)
Object Dimensions at M.O.D.
Approx. Size
5.7 – 120mm
11.4 – 240mm
1:1.4 at 5.7 – 86mm
1:2.8 at 11.4 – 172mm
1:1.95
at 120mm
1:3.9
at 240mm
62.9° x 38.0°
3.3° x 1.9°
34.0° x 19.5°
1.7° x 0.9°
0.8m (10mm with Macro)
92.2 x 51.9cm at 5.7mm
46.1 x 26.0cm at 11.4mm
4.3 x 2.4cm
at 120mm
2.2 x 1.2cm
at 240mm
W x H x L = 169.4 x 111.9 x 217.5 mm
1.79kg
Approx. Mass
VTR SWITCH
INFORMATION DISPLAY On/Off SWITCH
INFORMATION DISPLAY
F.B. ADJUSTING LOCK SCREW
INDEX MARK
DIGITAL FUNCTION SELECTOR
DIMENSIONS
45.3
217.5
38±0.03
(in air)
MACRO BUTTON
EXTENDER LEVER
AUX1 SWITCH
IMAGE PLANE
ZOOM OPERATION
CHANGE-OVER KNOB
40.6
119.7
HOOD
CONNECTOR FOR
REMOTE ZOOM CONTROL (8 PIN)
169.4
ZOOM SPEED VOLUME
CONNECTOR FOR ZOOM REMOTE
& FOCUS REMOTE UNIT (20 PIN)
ZOOM LEVER
CONNECTOR FOR ZOOM REMOTE
& FOCUS REMOTE UNIT (20 PIN)
KH21ex5.7 IRSE (Unit:mm)
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LENS CONTROLLERS
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1
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Unit
Description
CODE
q
w
u
!
y
!
e
r
11
12
o
!
13
14
15
16
17
!
ZGA-600
i
!
!
t
!
OPTICALACCESSORIES
TYPE
MODEL
T15II
T15HD
Tele-side Converter 1.5x
3
*
W80-III
B
Wide Converter
Wide Attachment
3
*
W80HD
WA-75II
WA75HD
3
KH21ex5.7 IRSE
*
Fish-Eye Attachment
Adaptor
Ultra Violet
FEA-III
98II
*
UV/105mm
B
98II
2
ND8(12.5% Transmittance) ND8/105mm
Softon
SFT/105mm
CRS/105mm
SNW/105mm
SNY/105mm
PL/105mm
Cross Screen
Snow Cross
Sunny Cross
Polarized Light
105CL-UP900H
Close-Up Lens
3
*
105CL-UP800HD
*1 The fillters are to be attached to the threaded hood unit.
*2 UV/94mm is also available for direct attachment to front of lens.
*3 The HD quality accessories offer higher optical performance.
CLOSE UP LENS
15F Jinbao Building No.89 Jinbao Street
Dongcheng District, Beijing 100005, China
Tel:86-10-85139999 Fax:86-10-85139902
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0406SZ2
PRINTED IN JAPAN
PUB NO.0060W827
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