Canon CINE-SERVO 50-1000mm T5.0-8.9 EF Brochure (en)

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Canon’s proprietary optical technology that realizes 
high image quality EF Cinema lenses*
Canon's superb optical material technology
Lens with ultra-long focal length, 4K optical performance, and high carryability
Multilayer coating technology that reduces lens 
flare and ghosting
[Fluorite]
Theoretically, a slight chromatic aberration 
always occurs in standard optical glass. The 
use of fluorite resolves this issue by making 
the ideal chromatic aberration correction. 
Many of Canon’s zoom lenses demonstrate a 
correction effect particularly at the telephoto 
side that has a large aberration.
Theoretically, in order to shoot an object dimension in Super 35mm equivalent to that of a 2/3” format camera lens, it is necessary 
to have a focal length that is about 2.7 times longer, which significantly affects the size of the lens. To obtain the brightness of a 
long focal length lens, a large diameter lens is required, thus making the size of the lens front huge. Because there is a close 
relationship among focal length, optical performance, and size of the lens, highly advanced technology is required to achieve the 
proper optical balance among them.
 
Canon has put together industry cutting-edge technologies such as advanced optical simulation technology, as well as the 
optimal layout of the glass and mechanical components, wide-diameter aspherical lens technology, and the most suitable 
optical glass materials to develop a lens that achieves a high level of total balance.
The newly developed EF Cinema lenses and EF lenses have a coating that is 
optimized for digital camera photography. For example, these lenses are provided 
with the optimal multilayer coating to prevent the reflection of incident lights on a 
lens and to reduce flare and ghosting. The EF Cinema lenses use an anti-reflection 
lens coating that further reduces the occurrence of flare and ghosting.
[UD and Hi-UD glasses]
An Ultra-low Dispersion (UD) glass has characteristics similar to fluorite. Since a UD glass has low 
dispersion as well as abnormal dispersibility, it can produce an effect similar to fluorite with an 
optimal layout of the glasses. A Hi-UD glass has a high refractive index and provides chromatic and 
spherical aberration correction effects while also providing the low dispersion and abnormal 
dispersibility of a UD glass. A Hi-UD glass is used in such products as zoom lenses and works 
effectively to reduce the aberration fluctuations caused by focusing and zooming, in addition to 
reducing the chromatic aberration that occurs at the telephoto side.
Aspherical  lens technology
A spherical lens refracts more in the peripheral parts than in the center. 
For that reason, these lenses are subject to spherical aberration. On the 
other hand, an aspherical lens can gather all light that passes through 
the center and peripheral parts of the lens at one point. This technology 
makes it possible to use an aspherical lens to provide the same 
correction effect that would normally need several spherical lenses, thus 
reducing the overall number of lenses required. This technology 
therefore helps produce sharp images through high optical 
performance, as well as being compact and lightweight.
*: Technology applied to the lenses would differ depending on the model.
PUB.0190W435
Specifications subject to change without notice.
North & South America
Canon U.S.A., Inc.
Imaging Technologies & Communications Group
Broadcast and Communications Sales & Marketing
Division(Headquarters)
One Canon Park
Melville, NY 11747-3336
Tel:+1(800)321-4388
Email:bctv@cusa.canon.com
http://www.canonbroadcast.com/
Chicago
100 Park Blvd. Itasca, IL 60143
Tel:+1(630)250-6236   Fax+1:(630)250-0399
Atlanta
5625 Oakbrook Pkwy. Norcross, GA 30093
Tel:+1(770)849-7890   Fax:+1(770)849-7888
Los Angeles
15955 Alton Parkway lrvine, CA 92618
Tel:+1(949)753-4330   Fax:+1(949)753-4337
Dallas
3200 Regent Blvd. lrving, TX 75063
Tel:+1(972)409-8871   Fax:+1(972)409-8869
Latin America
Tel & Fax:+1(954)757-0980
Mexico
Canon Mexicana S.de R.L. de C.V.
Professional Broadcast & Film Industry Business
Department
Blvd. Manuel Avila Camacho No.138 Col. Lomas
de Chapultepec Mexico 11000 D.F.
Tel:555249 4900   Fax:555249 4901
Canada
Canon Canada, Inc.
Broadcast and Communications Div.
6390 Dixie Road
Mississauga, Ontario, L5T 1P7, Canada
Tel:+1(905)795-2012   Fax:+1(905)795-2140
Europe/Africa/Middle East
Canon Europe Ltd
Broadcast products Div.
3 The Square, Stockley Park 
Uxbridge Middlesex 
United Kingdom UB11 1ET
Tel:+44 (0)20 8588 8140 
Fax:+44 (0)20 8588 8603
Email : tvprod@canon-europe.com
http://www.canon-europe.com/tv-products/
Australia
Canon Australia Pty. Ltd.
CCI Division
Building A, The Park Estate, 5 Talavera Road, 
Macquarie Park, NSW 2113, Australia
Tel:+61(0)2-9805-2000 
China
Canon (China) Co., Ltd.
Broadcast Equipment Products
15F Jinbao Building No.89 Jinbao Street 
Dongcheng District, Beijing 100005, China
Tel:+86-10-8513-9999   Fax:+86-10-8513-9128
http://www.canon.com.cn
Canon Hongkong Co., Ltd. 
 
19F The Metropolis Tower, 10 Metropolis Drive, 
Hunghom, Kowloon, Hong Kong
Tel:+852-2170-2828
http://www.canon.com.hk
Asia/Japan
Canon Inc.
(ICP GROUP 5) 
30-2, Shimomaruko 3-chome, Ohta-ku, Tokyo 
146-8501, Japan
Tel:+81(0)3-3757-7453   Fax:+81(0)3-3757-7086
Canon Singapore Pte Ltd. 
1 HarbourFront Avenue, #04-01 Keppel Bay Tower, 
Singapore 098632
Tel:+65-6799-8888
http://www.canon.com.sg
Canon Korea Consumer 
Imaging Inc.
Canon Bldg. 5F, 168-12 Samseong-dong, 
Gangnam-gu, Seoul, 135-090, Korea
Tel:+82-2-2191-8500
http://www.canon-ci.co.kr
CINE-SERVO
CN
20
×
50 
IAS H
Focal point alignment with
aspherical lens
Spherical aberration of
spherical lens
Rough fluorite
Artificial fluorite crystals
Fluorite lenses
Comparison of Color Aberration Correction
Ordinary optical glass
Fluorite
Large color aberration
Small color aberration
Blue  Green  Red
SPECIFICATIONS
CN20x50 IAS H/E1 or CN20x50 IAS H/P1
* M.O.D. = Minimum Object Distance
Built-in extender 
Mount 
Image format 
Focal Length 
Zoom Ratio 
Max. Relative Aperture
(T-number) 
Iris Blades 
Angle of view
[1.9 :1
   26.2 × 13.8] 
M.O.D.* 
Object dimension at M.O.D
[1.9 :1
   26.2 × 13.8] 
Front Diameter
Approx. Size(W × H × L)
Approx. Mass
Pitch of gear   
1.0×
50 – 1,000mm
1:5.0 at 50 − 560mm
1:8.9 at 1,000mm
1.5×
75 – 1,500mm
1:7.5 at 75 − 840mm
1:13.35 at 1,500mm
EF or PL
Super35mm
20×
29.4° × 15.7°at 50mm
1.5° × 0.8°at 1,000mm
19.8° × 10.5°at 75mm
1.0° × 0.5°at 1,500mm
11
98.9 × 52.1cm at 75mm
5.2 × 2.7cm at 1,500mm
148.3 × 78.1cm at 50mm
7.8 × 4.1cm at 1,000mm
3.5m / 11.5’ (From image sensor)    1.54m / 5.1’ (From lens front with macro) 
φ136mm
[EF Mount]
 175 × 170.6 × 413.2mm
[PL Mount]
 175 × 170.6 × 405.2mm
6.6kg/14.55lbs
Focus : 0.5mm or 0.8mm     Zoom : 0.5mm     Iris : 0.5mm
DIMENSIONS
CN20x50 IAS H/P1
MACRO BUTTON 
EXTENDER LEVER 
F.B.ADJUSTING LOCK SCREW 
68.7 
99.5 
170.6 
95.1 
175 
AUX SWITCH
 
IRIS OPERATION
CHANGE-OVER SWITCH
 
MEMORY SWITCH 
RETURN SWITCH
 ZOOM OPERATION SWITCH 
MOMENTARY IRIS AUTO SWITCH
 
VTR SWITCH
 
ZOOM SPEED ADJUTING VOLUME
93.7 
140.8 
ZOOM LEVER 
348.1 
405.2 
488.8 
83.5 
TIE CABLE
UNC3/8-16 
SUPPORT ROD