Sirius is the brightest star in the sky and rules the night in the northern-hemisphere winter. As spring advances toward summer it hangs low in the SW.
This image was a 1-sec exposure (ISO 1600) using a Tokina AT-X 100-300mm f/4 zoom with a Metabones Speedbooster. The effective focal length was 213 mm at f/2.8.
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| Sirius |
Later in the evening I was evaluating a different lens, a Canon FD 300mm f/4L. The following image is the great globular cluster M13 in the constellation Hercules. Hercules rises in the NE in the late evening. The sky brightness was sqml=21.68.
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| M13, 2° FOV. E-M1iii + Canon FD 300mm f/4L. ISO 1600, 60 s. |
This lens is also superb for daytime use. These early-morning elk were about 1 km away on the hillside across the Rio Grande:
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| Fresh snow on Bristol Head, 06 May |
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