query: Canon EF telephoto on a crop body
positive_passages.docid: 75334
positive_passages.text: Why do Full Frame lenses and crop body lenses exhibit the same crop factor when used on a crop body camera?
negative_passages.docid: 101960
negative_passages.text: Why are crop lenses indicated with focal lengths they don't have?
negative_passages.docid: 130570
negative_passages.text: Why can't my SLR autofocus on certain parts of a scene?
negative_passages.docid: 141557
negative_passages.text: Is Sigma 150-600mm f 5-6.3 contemporary "F4-5.6" on Crop Sensor?
negative_passages.docid: 32959
negative_passages.text: How can I get more of this macro photo in focus?
negative_passages.docid: 13475
negative_passages.text: still frame camera solve
negative_passages.docid: 60568
negative_passages.text: How can I accurately focus manually on an APS-C DSLR?
negative_passages.docid: 97916
negative_passages.text: Can the EF lenses of a Canon EOS film camera be used on an APS-C digital EOS camera?
negative_passages.docid: 90109
negative_passages.text: Are cropped images from a full-frame sensor equal quality to full APS-C images despite the lower resolution?
negative_passages.docid: 129196
negative_passages.text: Does crop factor still apply to a vintage film SLR lens?
negative_passages.docid: 20890
negative_passages.text: Why doesn't an extension tube "crop" the picture?
negative_passages.docid: 153578
negative_passages.text: Variable focal length for macro lenses?
negative_passages.docid: 26448
negative_passages.text: How does a DX-format sensor support FX lenses?
negative_passages.docid: 104610
negative_passages.text: What focal length lens do I need for photographing the moon?
negative_passages.docid: 1438
negative_passages.text: How do I set exposure with a manual flash?
negative_passages.docid: 54515
negative_passages.text: How can I display a ghost image of the last photo in Live View on a Canon camera?
negative_passages.docid: 89982
negative_passages.text: How can I fix an out-of-focus blurred photo in Photoshop?