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vignetting - Experienced Deep Sky Imaging - Cloudy Nights
- https://www.cloudynights.com/topic/586083-vignetting/#:~:text=Vignetting%20happens%20anytime%20some%20of%20the%20rays%20from,So%2C%20it%20doesn%27t%20matter%20where%20you%20are%20focused.
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What is vignetting? | BBC Sky at Night Magazine
- https://www.skyatnightmagazine.com/advice/what-is-vignetting/
- Vignetting is a reduction in image brightness at the edges of the field of view. There are two possible causes for this, the lens/mirror design or …
DSLR Astrophotography – Vignetting and Flats – Brian Fontenot, …
- https://divergentzen.com/2021/01/dslr-astrophotography-vignetting-and-flats/
- “Vignetting” remains a problem for my astrophotography and has become an even worse since using my new astrophotography camera, a Canon EOS Ra. The pricey camera was a surprise Christmas gift and it works really well, so much so it feels like I just got my learner’s permit and someone handed me the keys to a Lamborghini. ...
Vignette on astrophotography - Digital Photography Review
- https://www.dpreview.com/forums/thread/4273176
- Vignette on astrophotography. Last summer I had taken my first shots of astrophotography. Although the place was really dark, my photographs had a lot of light pollution from a city very nearby. I was using my Sigma 35mm Art f/1.4 at f/1.4. I have removed at Lightroom the light polution with the Dehaze, but my biggest seems to be the vignette ...
Vignetting in Photography - What it is and What Causes it?
- https://www.dxo.com/technology/vignetting/
- Lens vignetting is a reduction in brightness or saturation on the periphery of an image. It is produced by a certain number of factors, including defects in the design of the lens, the focal length, or the aperture. The loss of brightness …
vignetting - Experienced Deep Sky Imaging - Cloudy Nights
- https://www.cloudynights.com/topic/586083-vignetting/
- Vignetting happens anytime some of the rays from the edge of the pupil (called the marginal rays) are blocked a large field angles due to some …
What is Vignetting? - Photography Life
- https://photographylife.com/what-is-vignetting
- Vignetting can be easily added in both Lightroom and Photoshop. Here is an example of vignetting that was specifically added to the photograph in order to draw the attention of the viewer towards the main subject in the frame: NIKON D800E + 80-400mm f/4.5-5.6 @ 400mm, ISO 100, 1/250, f/5.6.
Vignetting in the Astro-Physics 130 EDT f/8
- https://www.astropix.com/html/equipment/vignette.html
- So in the alternate configuration, the objectionable vignetting does not start for an additional 2mm and the focal length is reduced to 858mm at f/6.6 instead of 780mm at f/6. Update Astro-Physics, and others, now offer "wide-mount" T-adapters with wider openings on the T-mount, but if you use Astro-Physics standard 2-inch adapter, you can't ...
Removing Uneven Field Illumination
- https://astropix.com/html/processing/vignet.html
- A problem that is encountered with many telescopes, and nearly all camera lenses used for long-exposure Deep Sky astrophotography is uneven field illumination. It can be caused by vignetting, or by the geometrical properties of the optical system, especially in fast lenses. It can also cause color shifts, probably due to reciprocity effects.
How to Take Flat Frames for Astrophotography [The Easy …
- https://astrobackyard.com/how-to-take-flat-frames/
- The uneven field illumination and vignetting in my deep sky images were a real pain to correct in post-processing. Like many aspects of deep-sky astrophotography, your method of taking flat frames will vary depending on the equipment you use. The method I have described for taking flats on this page is most useful for those shooting with a DSLR ...
Astrophotography with a Star Tracker in 2022 – Full Guide
- https://capturetheatlas.com/star-tracker-photography/
- Using a star tracker for astrophotography has many benefits as opposed to photographing the milky way without a star tracker. These are the main benefits: ... Also, you’ll see a big improvement with less vignetting and lens aberrations like coma or chromatic aberrations. All these three factors together will give you a higher quality image ...
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