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Canon CN20x50 Series Operation Manual

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Zoom Lens
变焦镜头
CN20x50
取扱説明書
OPERATION MANUAL
使用说明书
ご使用の前に必ずこの取扱説明書をお読みください。
なお、取扱説明書は必要に応じてご覧になれるよう大切に保管してください。
Read this operation manual before using the product.
Keep the manual in place for future reference.
在使用本产品之前 , 请务必先仔细阅读本使用说明书。请务必妥善保管好本书 ,
以便日后能随时查阅 ( 保留备用 )。请在充分理解内容的基础上 , 正确使用。
(レンズ編)
(LENS)
(镜头汇编)
J/E/C

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  Summary of Contents for Canon CN20x50 Series

  • Page 1 Zoom Lens 变焦镜头 CN20x50 取扱説明書 (レンズ編) OPERATION MANUAL (LENS) 使用说明书 (镜头汇编) ご使用の前に必ずこの取扱説明書をお読みください。 なお、取扱説明書は必要に応じてご覧になれるよう大切に保管してください。 Read this operation manual before using the product. Keep the manual in place for future reference. 在使用本产品之前 , 请务必先仔细阅读本使用说明书。请务必妥善保管好本书 , 以便日后能随时查阅 ( 保留备用 )。请在充分理解内容的基础上 , 正确使用。 J/E/C...
  • Page 2: English Version

    ENGLISH VERSION...
  • Page 3: Fcc Regulations

    Canadian Radio Interference Regulations CAN ICES-3(B)/NMB-3(B) We, Canon Inc., in Japan and CANON EUROPE LTD., in U.K., confirm that the zoom lens is conformity with the essential requirements of EC Directive(s) by applying the following standards: EN55103-1 and EN55103-2...
  • Page 4 - FOREWORD - Thank you for purchasing the Canon zoom lens. This product comes with the following documents for the models mentioned below: ①Operation Manual "Lens" ②Operation Manual "Information Display CD-ROM" CN20x50 IAS H/E1 (EF mount) CN20x50 IAS H/P1 (PL mount) STANDARD PRODUCT LIST Make sure all of the following items are included in the packing box.
  • Page 5: Safety Precautions

    4. Take measures to avoid sudden changes in temperature where the lens is used, which may prevent operation temporarily if condensation forms in the lens. 5. Before use in particular environments, such as places where chemical products are used, contact your Canon representative.
  • Page 6 3. Canon makes no guarantees about results obtained from the product. 4. Product specifications, configurations, and appearance are subject to change without notice. 5. For information on service, maintenance, or adjustments not described in this manual, contact your Canon dealer or a Canon representative listed below.
  • Page 8 1 NOMENCLATURE 2-1. MOUNT THE LENS ON THE CAMERA 2-2. MOUNT THE HOOD ON THE LENS 2 HOW TO MOUNT 2-3. TURN IT ON 2-4. AVAILABLE ACCESSORIES 2-5. DIMENSIONS OF PARTS 3-1. BACK FOCUS ADJUSTMENT 3 ADJUSTMENT 3-2. IRIS GAIN ADJUSTMENT 4-1.
  • Page 9 1 NOMENCLATURE 1 NOMENCLATURE ① Iris Gain Adjusting Trimmer ⑪ ⑧ ⑨ ② Focus Ring A ⑫ ⑦ ⑩ ③ Focus Ring B ⑥ ⑬ ⑤ ④ Max. Zoom Speed Adjusting Volume ④ ⑭ ⑤ Instant Auto-Iris Switch ③ ② ⑥...
  • Page 10: How To Mount

    2 HOW TO MOUNT 2 HOW TO MOUNT 2-1. MOUNT THE LENS ON THE CAMERA For PL mount, read the following instructions before mounting the lens. The PL mount supports /i communication, so make sure that the camera is set to “/i”. Do not mount the lens if the camera is set to a mount communication mode other than /i.
  • Page 11 2 HOW TO MOUNT When the lens is mounted, connect the cable from the drive unit to a power supply equipment such as camera or external power supply. Or if the camera can be powered from the PL mount, connect the cable from the drive unit to the connector below the lens mount.
  • Page 12: Available Accessories

    2 HOW TO MOUNT 2-4. AVAILABLE ACCESSORIES A variety of professional camera accessories are available using Φ19 mm rod adaptors. NOTE Be sure to use the lens holder when mounting the lens on a camera. Be sure to avoid applying excessive force to the lens mount when the lens is mounted on a lens support.
  • Page 13: Dimensions Of Parts

    2 HOW TO MOUNT 2-5. DIMENSIONS OF PARTS (Unit: mm) CN20x50 IAS H/E1 (EF mount) Focus Drive Gear B Iris Drive Gear Zoom Drive Gear Focus Drive Gear A Tie Cable Lens Holder (UNC3/8-16) CN20x50 IAS H/P1 (PL mount) Focus Drive Gear B Iris Drive Gear Zoom Drive Gear Focus Drive Gear A...
  • Page 14: Back Focus Adjustment

    3 ADJUSTMENT 3 ADJUSTMENT 3-1. BACK FOCUS ADJUSTMENT If the relation between the image plane of the lens and the image plane of the camera is incorrect, the object goes out of focus at the time of zooming operation. Follow the procedure below to adjust the back focus of the lens.
  • Page 15: Mode Setting

    4 MODE SETTING 4 MODE SETTING 4-1. OPERATION MODES This product has an information display on which various settings can be customized. There are three operation modes below as a setting menu. One of the operation modes can be selected according to usage and preference.
  • Page 16 4 MODE SETTING 4-3. SETTINGS IN FULL MODE The following 15 settings can be made on the Top screen in Full Mode. 1. Go to MENU screen Initial Top screen in Full Mode 2. Switch users 3. Switch to Basic Mode MENU [ Basic ] [Adj]...
  • Page 17: Zoom Operation

    5 OPERATION 5 OPERATION 5-1. ZOOM OPERATION 5-1-1. Manual Zoom Operation  Set the zoom operation change-over knob at the bottom of the lens drive unit to MANU. position.  Turn the zoom ring (or zoom lever) to perform zoom operation. Zoom Operation NOTE Change-over Knob The zoom operation change-over knob must be set to the...
  • Page 18 5 OPERATION 5-1-4. Zoom Track Function (only for servo zoom) The zoom control range (zoom track) position can be set as desired to set the virtual zoom limit in the telephoto end and the widest end. To use the zoom track function, the function should be enabled in advance. A: Setting "ON"...
  • Page 19 5 OPERATION 5-1-5. Shuttle-Shot Function This function allows you to switch between the current zoom position and the preset zoom position at the maximum speed. The "Shtl" The "Shtl" switch is switch is held down. released. speed speed Current zoom position Shuttle memory position Previous zoom position Before using shuttle-shot function, the shuttle function must be assigned to the VTR, RET, or AUX...
  • Page 20 5 OPERATION 2. How to operate the speed preset function When the "Sped" switch is pressed, the zoom starts to move at the preset speed and to the determined direction (toward telephoto angle or widest angle) stored in section 1 and stops at the zoom end. 3. How to cancel movement in Speed Preset Movement in Speed Preset can be canceled by any of the following operations.
  • Page 21 5 OPERATION 1. Setting the framing memory position Zoom (and focus) to the position that you want to store, while Zoom Rocker Seesaw holding this zoom (and focus) position, and then press the "Fr1P" switch while holding down the MEMO switch. "Fr1P"...
  • Page 22: Focus Operation

    5 OPERATION 5-2. FOCUS OPERATION 5-2-1. Manual Focus Operation  When the manual focus operation is performed, set the focus operation change-over knob to MANU. position. NOTE The lens may be damaged if the focus ring is turned forcibly with the knob at the SERVO position. Focus Operation Change-over Knob Turn the focus ring to bring the near or far object into...
  • Page 23: Extender Operation

    5 OPERATION 5-3-2. Manual Iris Operation Slide the iris operation mode change-over switch to the "M" position. The iris operation is performed by turning the iris ring on Close the lens body. NOTE Open The iris operation mode change-over switch must be set to the "M"...
  • Page 24: Macro Operation

    5 OPERATION 5-5. MACRO OPERATION In macro shooting, the object distance becomes shorter than the normal minimum object distance (M.O.D.). The minimum object distance by macro operation for this lens is 1.54 m from tip of the lens at the widest angle.
  • Page 25: Switch Operations

    5 OPERATION 5-6. SWITCH OPERATIONS Functions can be assigned to the five switches: the VTR, RET, AUX switches of the drive unit, or AUX1 and AUX2 switches on the zoom demand on the information display. "VTR", "RET", "Fr1P", "Shtl", and "Fr1P" functions are assigned respectively by default.
  • Page 26 6 HOW TO ATTACH AND DETACH THE DRIVE UNIT 6 HOW TO ATTACH AND DETACH THE DRIVE UNIT This product is structured so that the drive unit can be separated from the lens body. If it is used as a manual lens, detach the drive unit while referring to Section 6-1.
  • Page 27 6 HOW TO ATTACH AND DETACH THE DRIVE UNIT Place the detached drive unit in the supplied storage bag. NOTE • Take care not to damage the drive unit cover when removing the drive unit fixing screws. • Use a Phillips screwdriver with a shaft diameter of 4 mm or less to remove the drive unit fixing screws. •...
  • Page 28 6 HOW TO ATTACH AND DETACH THE DRIVE UNIT 6-2. HOW TO ATTACH THE DRIVE UNIT Detach the cap from the contact on the lens body, fix the cap on the projection on the main body. Check that the serial numbers of the lens body and the drive unit match.
  • Page 29 THE MECHANICAL END" on the next page. • If a drive unit fixing screw is damaged or lost, use a spare one. If all spare screws are used and additional ones are required, contact Canon Inc. or Canon distributers & sales representatives.
  • Page 30 Succeeded Lens Interface: Connected The adjustment is completed. Press key after adjustment to return to Screen A. (Note) If "Auto-Adjustment: Error/Lens Interface: Non-Connected" appears when the mechanical end adjustment is completed, contact Canon Inc. or Canon distributers & sales representatives.
  • Page 31: Product Specifications

    : ZSD-300D / ZSD-380D Zoom demand • Focus demand : FPD-400D / FDJ-P01 (Note) (Note) Use a special conversion cable "BDC-21" to connect an accessory to the drive unit. Contact Canon Inc. or Canon distributers & sales representatives for the target accessories.
  • Page 32 Reference Information This lens is a lens for shooting movies. • This lens is developed primarily for movie production, and have a color balance typical for movies. This means that the color reproduction is warmer than that of EF lenses which are basically used to shoot still images. Therefore, when using both types of lens together, adjust the color balance (redo the white balance etc.) as necessary.

This manual is also suitable for:

Cn20x50 ias h/e1Cn20x50 ias h/p1Cn7x17