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Day 180: The very limit of distance shooting Day

discreetphoton

Site Moderator. Originally from Edinburgh, now living and shooting around Rotherham.
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Day 180: The very limit of distance shooting Day

21 Feb 2012 11:01PM   Views : 8876 Unique : 402

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Todayís shot has pushed it, to say the least. I was (according to my cameraís built in distance monitor) 59.6 metres from this heron (about 180 feet). Iíve cropped as far as is possible before the pixels become obvious, and clicking on the image will take you to the 1000-pixel-wide version. You can see the full frame here. I actually like the final image, as itís a contextual shot of the bird in its environment. Itís been scaled down by about twenty percent to prevent stepping artefacts in the grasses. However, itís important to point out that the heronís body makes up just three percent of the original photograph. I used live view to nail the focus, mirror lock up and a remote release, and turned off the VC function. Itís stopped down a bit as well, so this is about as sharp an image as you can expect to see from the long end of the Tamron 18-270mm PZD. However, this is also the softest focal length in the range, so I think itís fair to say that you get your moneyís worth. All I could see was a little bit of white in the undergrowth that could have been anything. For web display, I think this is fine, and I might just about squeeze a satisfactory A4 print out of it.

If your subject is smaller in the frame than this, or near the edges, then you can expect results to drop quite quickly . However, Iíve not corrected for chromatic abberation, and have applied only minimal sharpening for web display. You can make your own mind up whether itís sharp enough, considering how much of the shot has been discarded.

Tags: Birds Tamron 18-270mm Manual focus

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