Short back focus for a compact and light lens The EOS 300D features an APS-C sized sensor which increases the focal length of the EF-S 18-55mm f/3.5-5.6 by1.6x over 35mm film format. The compact size of the EOS 300D’s sensor means its reflex mirror can be made smaller as well, making it possible to bring the back of the EF-S 18–55mm f/3.5–5.6 closer to the sensor. This different lens construction (the ‘S’ in EF-S stands for ‘short back focus’) results in compact size and low weight. The EF-S 18-55mm f/3.5-5.6 is only compatible with the EOS 300D.
High resolution images Delivering high resolution images at all focal lengths, the EF-S 18-55mm f/3.5-5.6 consists of 11 elements in 9 groups, including 1 high-precision aspherical lens element. Optimised lens coatings minimise flare and ghosting.
Fast and close The EF-S 18-55mm f/3.5-5.6’s AF speed has been optimised for use with the EOS 300D. In addition, its closest focusing distance (0.28m at all focal lengths) is among the lowest in this range of lenses.
Attractive background blur The EF-S 18-55mm f/3.5-5.6’s circular aperture gives a more attractive appearance to out-of-focus background areas in photos shot using the widest apertures.
Lead-free optics Environment friendly lead-free glass is used throughout the construction of the EF-S 18-55mm f/3.5-5.6.
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