Canon CINE-SERVO 17-120mm T2.95-3.9 EF User Manual - Page 62

Reference Information

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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. • In general, the depth of field becomes shallow and the focusing range becomes extremely narrow near the widest aperture and when shooting a subject at close range. In addition, this tendency increases for lenses with longer focal lengths. When shooting images, carefully check the focusing condition using the zoom mode of the finder or other means, and shoot a sufficient number of test images before performing focus operations. (for EF mount Lens only) • The T-numbers of this lens are indicated on the iris ring of the lens. On the other hand, the iris information from this lens to the camera uses the F-number in consideration of use together with conventional EF lenses. Therefore, the camera side displays a different value (F-number) from the indication on the iris ring of the lens. • Information of the focal length displayed on the camera side omits the figures below the decimal point. E24

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E24
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.
• In general, the depth of field becomes shallow and the focusing range becomes extremely narrow near the
widest aperture and when shooting a subject at close range. In addition, this tendency increases for lenses with
longer focal lengths. When shooting images, carefully check the focusing condition using the zoom mode of the
finder or other means, and shoot a sufficient number of test images before performing focus operations.
(for EF mount Lens only)
• The T-numbers of this lens are indicated on the iris ring of the lens. On the other hand, the iris information
from this lens to the camera uses the F-number in consideration of use together with conventional EF lenses.
Therefore, the camera side displays a different value (F-number) from the indication on the iris ring of the lens.
• Information of the focal length displayed on the camera side omits the figures below the decimal point.