September Seven Spot Ladybird : 無料・フリー素材/写真
September Seven Spot Ladybird / Johan J.Ingles-Le Nobel
| ライセンス | クリエイティブ・コモンズ 表示-改変禁止 2.1 |
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| 説明 | The days are getting shorter and there's definitely a nip in the air, but that does have the advantage that if you can find an insect, it's likely to be relatively still rather than super-energised like they are in the height of summer. So they're still enough to let you photograph them. This little fella was. This is a natural light focus stack of 38 images in Zerene Stacker, with El-Nikkor 50 reversed at 5.6, at Denbies Hillside Dorking, images at 1/4s, ISO 100.This also uses pixel-shifting, a new feature introduced by Pentax in its latest flagship the K-3II, which Pentax gave me to use as a Pentax Brand Ambassador. I shot one run with and another run without and there's definitely more detail in the pixel shifted stack. But, there's also an unusual pixel matting that I've never seen before and is only really clearly visible at 250%+. I suspect that the wind might have been the cause for this rather than any particular issue with the camera. Pixel shifting takes 4 consecutive images and moves them by one pixel, to get more resolution and detail, so on shots like this which was 1/4s, any mild breeze has scope to introduce misalignment.Update - called "checkerboard effect" - diglloyd saw it too.One thing I must praise is the Wimberley PlampII, a device to hold stems still for this type of photography. I have 3 plamp-like devices, 2 homemade and 1 proper PlampII, and the PlampII is the best of the lot with the longest neck and a great 'fine adjustment' clip on one end, which rotates in 360 degrees and grabs a stem really softly. Could not do this sort of photography without it. |
| 撮影日 | 2015-09-05 18:51:02 |
| 撮影者 | Johan J.Ingles-Le Nobel , Holmbury St.Mary, England, GB |
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