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Canon EOS 40D Guide to Digital Photography by David D. Busch

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6. Working with Lenses

If Canon has one advantage over many of the other vendors of digital SLRs (other than making great, affordable cameras), it’s the mind-bending assortment of high quality lenses available to enhance the capabilities of cameras like the Canon EOS 40D. Thousands of current and older lenses introduced by Canon and third-party vendors since 1987 can be used to give you a wider view, bring distant subjects closer, let you focus closer, shoot under lower light conditions, or provide a more detailed, sharper image for critical work. Other than the sensor itself, the lens you choose for your dSLR is the most important component in determining image quality and perspective of your images.

This chapter explains how to select the ...

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