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EF100mm f/2.8 MACRO USM
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Instruction
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Thank you for purchasing a Canon product. The Canon EF100mm f/2.8 MACRO USM is a Features macro lens that can be used for normal 1. The three-group floating system results in photography as well as macro photography excellent delineation at all focusing distances up to 1x magnification. It is dedicated to from life-size to infinity. Canon EOS cameras. 2. Ultrasonic motor (USM) for quick and quiet autofocusing. • "USM" stands for Ultrasonic Motor. 3. A Canon macro flash makes it easy to take clos
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a Safety Precautions This device complies with Part 15 of the FCC Rules. Operation is a Safety Precautions subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any • Do not look at the sun or a bright light source interference received, including interference that may cause through the lens or camera. Doing so could result undesired operation. in loss of vision. Looking at the sun directly through Do not make any changes or
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Nomenclature Hood and Macro Ring Lite mount (→ 5, 11) Focus mode switch (→ 4) Distance scale (→ 8) Tripod mounting location (→ 8) Filter mounting thread (→ 10) Contacts (→ 4) Lens mount index (→ 4) Focusing ring (→ 4) Tripod mount adapter groove (→ 8) Focusing distance range selection switch (→ 5) For detailed information, reference page numbers are provided in parentheses (→ **). ENG-3 C OP Y
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1. Mounting and 2. Setting the Focus Detaching the Lens Mode See your camera’s instructions for details on mounting and detaching the lens. To shoot in autofocus (AF) mode, set the focus mode switch to AF. • After detaching the lens, place the lens with the To use only manual focusing (MF), set the focus rear end up to prevent the lens surface and mode switch to MF, and focus by turning the electrical contacts from getting scratched. • If the contacts get soiled, scratched, or have focusing ring
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3. Switching the Focusing 4. Hood (Sold Separately) Distance Range You can set the focusing distance range to The ET-67 hood can keep unwanted light out of 0.31 m/1.0 ft. to infinity or 0.48 m/1.6 ft. to infinity. the lens, and also protects the front of the lens By setting the suitable focusing distance range, from rain, snow, and dust. the actual autofocusing time can be shorter. Attach and align the hood to the hood mount on the front of the lens, and turn the hood as shown If you autofocus o
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5. Picture Taking 3. Focus the subject. Normal Photography While looking through the viewfinder, move the The lens can be used as a medium-telephoto camera forward or back to find the point of lens for normal photography such as portraits. focus. Closeup Photography 4. Touch up the focus. Turn the focusing ring for fine focusing. Close-up photos up to 1x (life-size) magnification are possible. The minimum focusing distance of Since macro shots have a very shallow depth of 31 cm is the distance f
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6. About Exposure When you use a handheld exposure meter to set Setting the Exposure the exposure, you must take into account the When taking photographs using TTL metering, exposure factor shown in the following table. no exposure compensation is necessary to meter the light coming through the lens. Magnification 1 : 5 1 : 3 1 : 2 1 : 1.5 1 : 1 With TTL metering, AE (autoexposure) is Effective f/No. 3.6 4.1 4.6 5.0 5.9 possible at all focusing distances. Just set the 2 1 2 Exposure Factor + +1
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7. Infinity Compensation 8. Using the Tripod Mark Mount (Sold separately) Infinity compensation mark To mount the lens on a tripod, Tripod mount ring B (B) and the tripod mount adapter (sold separately) for the EF100mm f/2.8 Macro USM will be necessary. Tripod mount adapter Tripod mount ring B (B) Mounting index Attachment index Distance index Tripod mount To compensate for shifting of the infinity focus attachment Locking lugs point that results from changes in temperature. tab Tripod mount
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Using the Tripod Mount (Sold separately) Attaching and Detaching the Tripod Mount To attach the tripod mount, follow the illustrated procedure below. To remove the tripod mount, follow the procedure in reverse. Align the tripod mount Loosen the tripod mount’s Rotate the tripod mount to adapter's index with the lock knob. Align the lens the desired position and lens mount index. Push in mount index and the tripod tighten the lock knob. •You can loosen the orientation the adapter onto the back of
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9. Filters (Sold Separately) 10. Extension Tubes (Sold Separately) You can attach filters to the filter mounting thread You can attach Extension Tube EF12 II or EF25 on the front of the lens. II for magnified shots. The shooting distance and magnification are shown below. • Filters and the macro flash cannot be used on this lens at the same time. Camera-to-Subject Magnification Distance (mm) • If you need a polarizing filter, use the Canon Circular Polarizing Filter (58mm). Near Far Near Far •T
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11. Close-up Lenses (Sold Separately) 12. Macro Flash (Sold Separately) Attaching a 250D or 500D (58mm) Close-up The Canon Macro Ring Lite MR-14EX or the Lens enables close-up photography. Macro Twin Lite MT-24EX enables fully automatic The magnification will be as follows. macro flash photography up to 1x magnification • Close-up Lens 250D: 1.44x - 0.40x in E-TTL autoflash mode. • Close-up Lens 500D: 1.28x - 0.20x •For information on operating the Canon Macro Manual focusing is recommended for
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Specifications Focal Length/Aperture 100 mm f/2.8 Lens Construction 8 groups, 12 elements Minimum Aperture f/32 Angle of View Diagonal: 24° Vertical: 14° Horizontal: 20° Min. Focusing Distance 0.31 m/1.0 ft. Max. Magnification 1 × Field of View 24 × 36 mm/0.9 × 1.4 in. (at 0.31 m) Filter Diameter 58 mm Max. Diameter and Length 78.6 × 118.6 mm/3.1 × 4.7 in. Weight 580 g/20.5 oz Hood (Sold Separately) ET-67 Lens Cap E-58U Case (Sold Separately) LP1219 Tripod Collar (Sold separately) Ring-type tri
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CT1-7529-011 © CANON INC. 2002 2009.7 C OP Y
