25 Most Beautiful Bird Photography examples and Tips for photographers

7. Crop factor: Canon EOS D-SLRs come in three different flavoured sensors – APS-C/1.6x crop factor (eg 450D, 60D and 7D), APS-H/1.3x crop factor (eg 1D Mk IV) and full-frame/no crop factor (eg 5D Mk II and 1Ds Mk III). These crop factors affect sensor size and also effective focal length (EFL). For example, a 18-200mm lens on a 450D has an EFL of 29-320mm. So you lose out on the wide-angle end, but you gain on the telephoto end – which is a bonus for shooting wildlife when you need to get close!



colorful bird photography