Thursday, January 2, 2025

New Year's star trails

 This image was obtained  between 8:30 - 9:30 pm Wednesday evening, 01 January.  Instead of the Rokinon 7.5mm fisheye lens, this was obtained with a Laowa 7.5mm f/2 rectilinear lens.  It has the same nominal focal length as the Rokinon, but the field-of-view (FOV) is drastically different.  The fisheye has a 180° FOV. This lens offers a 110° FOV, which is still very wide but not as extreme as the fisheye lens.

Olympus E-M1iii + Laowa 7.5mm f/2, 1-hr livecomp exposure.

There are reports of auroral activity and an SAR arc visible as far south as Taos, but none of that was apparent in Santa Fe during this exposure.

Here is a side by side comparison of the two lenses:



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