Instruction/ maintenance manual of the product 2530A004 Canon
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EF300mm f/4L IS USM Instruction ENG C OP Y.
ENG-1 The Canon EF300mm f/4L IS USM lens is a high-performance telephoto zoom lens f or EOS cameras, and it is equipped with an Image Stabilizer . • "IS" stands for Image Stabiliz er . • "USM" stands for Ultr asonic Motor . Features 1.
ENG-2 a Safety Precautions a Safety Precautions • Do not look at the sun or a bright light source through the lens or camera. Doing so could result in loss of vision. Looking at the sun directly through the lens is especially hazardous. • Do not point the lens or camera at the sun or photograph it.
ENG-3 Nomenc lature Built-in lens hood ( → 10) Filter mounting thread ( → 10) Focusing ring ( → 4) Focusing distance range selection switch ( → 5) Image stabilizer switch ( → 6) Image stabil.
ENG-4 See your camera’ s instructions for details on mounting and detaching the lens. • After detaching the lens, place the lens with the rear end up to prev ent the lens surface and electrical contacts from getting scratched. • If the contacts get soiled, scratched, or hav e fingerpr ints on them, corrosion or faulty connections can result.
ENG-5 4. Infinity Compensation Mark To compensate for shifting of the infinity f ocus point that results from changes in temperature. The infinity position at normal temperature is the point at which the vertical line of the L mark is aligned with the distance indicator on the distance scale.
ENG-6 Y ou can use the image stabilizer in AF or MF mode. 5. Image Stabilizer Settings Select the stabilizer mode. • MODE 1: Corrects vibrations in all directions.
ENG-7 6. Tips on Using the Image Stabilizer • In semi-darkened areas such as indoors or outdoors at night. • In locations where flash photograph y is prohibited, such as ar t museums and theater stages. • In situations where your f ooting is uncer tain.
ENG-8 Tips on Using the Image Stabilizer • The Image Stabilizer cannot compensate f or a b lurred shot caused b y a subject that moved. • Set the ST ABILIZER s witch when you are using a tripod. If the Stabilizer s witch is set to , the image stabilizer function ma y introduce errors.
ENG-9 7. Using the T ripod Mount Adjusting the Rev olving Mount Y ou can loosen the orientation lock-knob on the tripod mount to allow it to rotate as needed to fit a par ticular camera model for s witching between v er tical and hor izontal positions.
ENG-10 Y ou can attach filters to the filter mounting thread on the front of the lens. 9. Filters (Sold separately) • If you need a polarizing filter , use the Canon Circular P olarizing Filter (77mm). •T o adjust the polarizing filter, first store the lens hood.
ENG-11 Y ou can attach Extension T ube EF12 II or EF25 II for magnified shots . The shooting distance and magnification are shown below . 10. Extension T ubes (Sold separately) Manual f ocusing is recommended for accurate f ocusing. Camera-to-Subject Magnification Distance (mm) Near F ar Near F ar EF12 II 1338 7795 0.
ENG-12 • First attach the Extender to the lens, then attach the lens to the camera. Detach it from the camera in the re verse order . If you attach the lens to the camera first, misoperation may occur . • With Extender EF2X II attached to the lens, only manual f ocus is possible.
ENG-13 Specifications Focal Length & Max. Aperture 300 mm, f/4 Lens Construction 15 elements in 11 groups Min. Aperture f/32 Angle of View Diagonal: 8°15’ V er tical: 4°35’ Horizontal: 6°50’ Min. Focusing Distance 1.5 m / 4.9 ft. Max. Magnification & Field of view 0.
© CANON INC. 2002 CT1-8505-004 0812Ni C OP Y.
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If you already are a holder of Canon 2530A004, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Canon 2530A004.
However, one of the most important roles played by the user manual is to help in solving problems with Canon 2530A004. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Canon 2530A004 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
