Photographing Neowise with 600mm lens

Started 3 months ago | Questions thread
Bill Ferris
Bill Ferris Veteran Member • Posts: 5,689
Re: I need the reach

Justme wrote:

I am not sure why people are saying a 600mm lens is too much. I am using a 300mm lens and the comet fills a tiny portion of the frame on a 1.6x crop camera like the 7D MK2.

You must be observing under some fairly bright skies. From a dark sky site, the dust and ion tails have been observed to extend to a distance of 20° or thereabouts from the nucleus. That's about 4-times the angular size of the FOV captured by an APS-C camera and 300mm lens.

A long focal length can certainly produce interesting images of this comet. If you have the opportunity to get to a reasonably dark location, I would encourage the effort. This comet is worth it...but not for long.

Comet NEOWISE and the Big Dipper

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Bill Ferris Photography
Flagstaff, AZ

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