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© 2017.06 CANON INC.
Pub No. BT1-B040-A
F.B. (Back Focus) Adjustment
F.B. (back focus) of this lens can be adjusted in the following procedures. Before starting, select an object
with sharp contrast at a distance* that facilitates the adjustment work. * Recommended object distance
range: 6 to 12 ft.
1
Remove three screws and remove the F.B. adjuster
cover.
Note
Be sure to keep the screws for later reattachment.
2
Mount the lens on the camera
and turn two F.B.
adjuster screws counterclockwise one revolution.
Note
1. Be sure to securely mount the lens on the camera mount.
2. Be sure not to remove the screws.
3
Turn the iris ring to set the iris to fully open (T2.8).
4
Turn the zoom ring to set the lens to the telephoto end, then turn the focus
ring to bring the object into focus.
5
Turn the zoom ring to set the lens to the wide
angle end, then turn the F.B. adjuster to bring the
object into focus.
Note
Be sure not to move the focus ring at this time.
6
Repeat steps 4 and 5 two or three times.
7
Secure the F.B. adjuster and reattach the F.B. adjuster cover following the
reverse procedure.
OPERATION MANUAL
(BT1-B040-A)
Digital Cinema Lens
CN-E30-105mm T2.8 L S
CN-E30-105mm T2.8 L SP
①
Read "GENERAL SAFETY INFORMATION" (back side) before using the product. The safety
cautions must be observed.
②
Read operation manual (this sheet) before using the product. Keep the manual in place for future
reference.
* The shape of the rear lens cap for the SP type differs from the
fi
gure above.
Product Configuration
Two types of the CN-E30-105mm T2.8 L are available for the positive lock mount (SP type) and the Canon EF mount (S
type). Figures in this manual are for the S type lens unless otherwise mentioned.
Lens body ......................................................................1
Zoom/focus lever (short)................................................1
Zoom/focus lever (long) .................................................1
Attachment holder .........................................................1
Lens cap ........................................................................1
Rear lens cap ................................................................1
Operation Manual
Reference Guide
Contact us.
Please contact us if you have questions on the products.
Names of Parts
For purchasing other accessories than shown above, please contact your dealer or below.
F.B. adjuster
cover
Screws x 3
Available accessories
A variety of professional camera accessories are available using
φ
15 mm and
φ
19 mm rod adaptors.
(When using a
φ
19 rod, attach the supplied attachment holder to the lens holder.)
Note
1. Be sure to use the lens holder when mounting the lens on a camera. Be sure to avoid applying
excessive weight to the lens mount when the lens is mounted on a lens support.
2. Mount the S type (EF mount) lens to the camera by following the steps below.
1
Attach the lens to the camera tightly
so that both mounting surfaces are in
complete contact.
Refer to the operation manual for the respective camera
for the detailed information.
2
Secure the lens holder on the lens support
using the clamping screw supplied with the lens
support.
3
Push the lens toward the camera until
both mounting surfaces are in complete
contact and clamp the lens support to the
rods.
Lens support
AMERICAS
CANADA
Canon Canada, Inc.
http://www.canon.ca/pro
Professional Product Support/
le soutien des produits
professionnels
(800) 667-2666
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C.V
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+52 55 5249 4905
USA
Canon U.S.A., Inc.
http://pro.usa.canon.com
http://pro.usa.canon.com/support
(855) CINE-EOS
(855-246-3367) (USA Only)
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(65) 6799 8888,
(65) 6799 8882
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108-8011
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2-16-6
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AFRICA
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United Kingdom UB11 1ET
Canon Europa N.V.
Bovenkerkerweg 59, 1185 XB
Amstelveen
The Netherlands
OCEANIA
AUSTRALIA
Canon Australia Pty. Ltd.
www.canon.com.au
13-13-83 (within Australia
only)
(61) 02-9805-2555
NEW ZEALAND
Canon New Zealand Ltd.
www.canon.co.nz
0800-222-666 (within New
Zealand only)
(64) 09-489-0300
Lens cap
Reference Guide
Operation Manual
Lens body
Zoom/focus lever (short)
Zoom/focus lever (long)
Rear lens cap*
Attachment holder
Focus drive gear
Number of teeth: 133
Module: 0.8 metric module
P.C.D.: 106.4 mm
Angular rotation: 300°
Zoom drive gear
Number of teeth: 111
Module: 0.8 metric module
P.C.D.: 88.8 mm
Angular rotation: 93.5°
Iris drive gear
Number of teeth: 111
Module: 0.8 metric module
P.C.D.: 88.8 mm
Angular rotation: 55°
Lens holder
Attachment holder
F.B. adjuster
cover
EF mount (S type)
Zoom/focus levers
PL mount (SP type)
Screws x 2
360°
F.B. adjuster
Use the index
mark and
adjuster scale.
