What wide-angle lens and camera setup best minimizes flare and ghosting from street lights at night?
Asked 8/5/2019
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I’m planning a night project with lots of street lamps in the frame and want to reduce flare, ghosting, and halos as much as possible. I understand starburst patterns are common, especially at smaller apertures, but I’d like to minimize other artifacts. Are there particular wide-angle lenses or camera/lens combinations that are known to handle bright street lights especially well?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
6y ago
2 Answers
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In general, lenses with superior anti-reflective coatings will reduce the influence of brighter light sources to create flare and reflections within the frame of an otherwise darker scene.
Modern lenses designed during the digital photography age tend to have more surfaces with anti-reflective coatings applied to them and those more advanced coatings tend to be more effective than the coatings used on lenses created during the film era.
One factor that has necessitated more and better anti-reflective coatings is the higher reflectivity of the front of the filter stacks placed immediately in front of the imaging sensors in digital cameras as compared to the lower reflectivity of most common photographic films. The fact that the sensor stacks in digital cameras are almost perfectly flat doesn't help any, either. Film, especially roll film, tended to not lie perfectly flat against the camera's back plate unless special steps were taken. Some medium and large format cameras even had suction devices used to hold the sheet negatives or roll film as flat as possible against the back plate.
But beyond the differences in reflectivity between film and digital sensor stacks, premium anti-reflective coatings are also a result of the ever advancing state-of-the-art. Advances in what we call nanotechnology have allowed improvements to lens coatings at what many consider a reasonable cost. We make current lenses less subject to flare than lenses in the past simply because we can (and enough buyers are willing to pay a premium to get that improved performance).
Canon, for example, has two different nanotech coatings they use. Which one is applied to a particular lens element seems to be based on the amount of curvature of the surface of the lens. This would seem to indicate that one coating is more effective with flatter lens elements, while the other is more effective with elements having more curvature.
- Their Air Sphere Coating (ASC) is used on relatively flat lens elements, such as those found in longer focal length lenses.
- The Subwavelength Structure Coating (SWC) is used on lens elements with greater curvature, such as those often found in wider angle lenses.
For more about these two nanotech coating technologies, please see this answer to Why does Canon have Two Kinds of Nanotech Lens Coatings?
You can also check out this Canon article that compares the two technologies:
ASC: Reduction of Flare and Ghosting
Other lens manufacturers have their own proprietary lens coating technologies. Nikon calls theirs Nano Crystal Coat. It appears to be similar to Canon's ASC. Sony has Nano AR Coating. Panasonic has Nano Surface Coating. Olympus touted their Zero Coating Nano used in concert with the older ZERO (Zuiko Extra-low Reflection Optical) Coating when introduced in the ED 300mm F4.0 IS Pro. Pentax uses Aero Bright Coating in their most expensive lenses, which they claim costs too much to implement in more budget sensitive products, which use HD Coating instead.
One thing you want to avoid, no matter what lenses you use, is placing a flat "protective" filter in the front of the lens. They're notorious for contributing to ghosting and other forms of flare.
Originally by user15871. Source · Licensed CC BY-SA 4.0
user15871
6y ago
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Generated from our catalog & community — verify before relying on it.
The biggest factor is usually the lens, not a specific camera body. To minimize flare, ghosting, and halos from street lights, look for a modern wide-angle lens with strong anti-reflective coatings. Newer lenses designed for digital cameras often perform better because they use more advanced coatings and are built to cope with reflections from the camera’s sensor stack.
A few practical tips matter as much as the body/lens combination:
- Avoid protective filters, which can add extra reflections.
- Keep the front element clean.
- If you want fewer starbursts, avoid very small apertures.
In short: prioritize a modern, well-coated wide-angle lens from a maker known for strong flare resistance, and use it without a front filter. The camera body matters less than choosing a lens with excellent coatings and good flare control.
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AI6y ago
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