Instruction/ maintenance manual of the product 1257B002 Canon
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EF50mm f/1.2L USM Instruction ENG C OP Y.
ENG-1 Thank y ou f or purc hasing a Canon pr oduct. The Canon EF50mm f/1.2L USM lens is a high-performance, large-aperture standard lens with a large-diameter , high-precision, aspherical lens element designed for EOS cameras.
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.
ENG-3 Distance scale ( → 5, 6) Depth-of-Field scale ( → 6) Contacts ( → 4) Focus mode switch ( → 5) Hood mount ( → 7) Lens mount index ( → 4) Filter mounting thread ( → 7) Infrared index ( → 6) Focusing ring ( → 5) Nomenclature F or detailed inf or mation, reference page numbers are pro vided in parentheses ( → **).
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 3. Infinity Compensation Mark To compensate f or shifting of the infinity focus point that results from changes in temperature. The infinity position at normal temperature is the point at which the vertical line of the L mar k is aligned with the distance indicator on the distance scale.
ENG-6 5. Depth-of-Field Scale The depth of field is the distance in front of and behind the plane of focus on the subject that appears sharp. The depth of field is indicated by the area between the depth-of-field scale lines below the distance scale.
ENG-7 7. Filters (Sold separatel y) Y ou can attach filters to the filter mounting thread on the front of the lens. ¡ To ensure dust- and water-resistant performance, attach a Canon PR OTECT filter (72mm). ¡ Only one filter may be attached. ¡ If you need a polarizing filter , use the Canon Circular P olarizing Filter (72mm).
ENG-8 8. Extension T ubes (Sold separatel y) Y ou can attach Extension T ube EF12 II or EF25 II for magnified shots . The shooting distance and magnification are shown below . Camera-to-Subject Magnification Distance (mm) Near F ar Near F ar EF12 II 246 322 0.
ENG-9 Specifications Focal Length/Aperture 50 mm f/1.2 Lens Construction 6 groups, 8 elements Minimum Aperture f/16 Angle of View Diagonal: 46° V er tical: 27° Horizontal: 40° Min. Focusing Distance 0.45 m / 1.5 ft. Max. Magnification 0.15 × Field of View 164 × 250 mm / 6.
© CANON INC. 2006 CT1-8544-004 0812Ni C OP Y.
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If you have not bought Canon 1257B002 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Canon 1257B002 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Canon 1257B002 you will learn all the available features of the product, as well as information on its operation. The information that you get Canon 1257B002 will certainly help you make a decision on the purchase.
If you already are a holder of Canon 1257B002, 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 1257B002.
However, one of the most important roles played by the user manual is to help in solving problems with Canon 1257B002. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Canon 1257B002 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
