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<blockquote data-quote="hark" data-source="post: 730605" data-attributes="member: 13196">I am still trying to identify the cause of the soft focus. Today I had an amazing opportunity to photograph a red-tailed hawk with its prey. I was literally 20 feet or so away and shot well over 100 images. I'm lucky if I have 5 in focus enough to salvage. This image is cropped quite a bit.It is one of the five that was slightly soft - and I used PCC's Shake Reduction as none were sharp enough straight out of camera. At least the Shake Reduction feature in PCC does a good job.Prior to going out, I used a rocketblower on all the contacts. The VR definitely seemed to engage properly. My next test will be to swap out the 1.7x TC with the 1.4x and see if the problem continues. If it does, then most likely the issue is with the lens. If not, then it will be the teleconverter. It's definitely not the camera since this happened with 3 different bodies.[ATTACH=full]334866[/ATTACH]</blockquote>

[QUOTE="hark, post: 730605, member: 13196"] I am still trying to identify the cause of the soft focus. Today I had an amazing opportunity to photograph a red-tailed hawk with its prey. I was literally 20 feet or so away and shot well over 100 images. I'm lucky if I have 5 in focus enough to salvage. This image is cropped quite a bit. It is one of the five that was slightly soft - and I used PCC's Shake Reduction as none were sharp enough straight out of camera. At least the Shake Reduction feature in PCC does a good job. Prior to going out, I used a rocketblower on all the contacts. The VR definitely seemed to engage properly. My next test will be to swap out the 1.7x TC with the 1.4x and see if the problem continues. If it does, then most likely the issue is with the lens. If not, then it will be the teleconverter. It's definitely not the camera since this happened with 3 different bodies. [ATTACH type="full" width="60%"]334866._xfImport[/ATTACH] [/QUOTE]

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