Notes forreflectionoflight

Closely related to the ring flash is the continuous ring light, which can produce a consistent level of light for video recording or to see a live preview before capturing photographs. Continuous ring lights are popular for improving picture quality on video calls, social media selfies, and video blogging.[1] For example, Cornell University offers a photo kiosk equipped with a continuous ring light and iPad to take social media profile pictures for students, faculty, staff, and alumni.[2]

Light diffusion refers to the process by which light is scattered or spread out in various directions as it interacts with a medium or material.

Reflected light is often also called bounced light, especially when created with flash, which is why we also talk about bouncing light back into shot.

Light coming from beneath a person is unflattering, unless it’s used as a fill light just to fill in and soften shadows beneath the chin, under the nose and under the eyes in a clamshell lighting set up.

Light is usually generated by one or more flash tubes or by multiple LEDs. In some flash units with multiple flash tubes, each flash tube can be independently enabled. Some ring flashes have focusing lenses that result in ideal light distribution at a particular distance from the subject.

Diffused reflection occurs when a ray of light strikes a rough surface and is then scattered away at different angles, because of the different angles of the rough surface.

Multiplereflection

I’d simply stood facing a white painted brick wall with the sun shining from behind me onto the wall. So my skin was smoothed out by the super soft, diffused light reflecting back at me. I can’t think of a better reason to use reflected light!

Ring lights and flashes vary in diameter and thickness, as well as the amount, color temperature, and quality (imperfectly indicated by color rendering index, or CRI) of light output. Some ring lights allow for the adjustment of brightness and color temperature.

Also, I love good news, so if my photography lighting tips have helped you to understand what is reflected light, share that too.

Reflection, refraction diffraction

The easiest way to explain the difference between specular reflection and diffused reflection is to show you with a diagram.

The quick explanation to what is reflected light in photography is any light that hits a reflective surface and is reflected back onto the subject in a photo. Some surfaces are more reflective than others and some are the wrong color, so the type of surface used to reflect light is very important and we’ll get into that in a moment.

Another bonus was that it was a white surface, so white light was reflected back at me, with no color cast to mess with my skin tones.

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Specularreflection

Ring flashes are also popular in portrait and fashion photography because they soften the shadows created by other, off-axis lights, and create interesting circular highlights in a model's eyes. Ring Lights are also often used in the beauty and cosmetic industry, mostly by make-up artists.[citation needed] This is due to the lightweight and compact features of a ring light that make it suitable for freelance beauty and make-up artists.[citation needed]

Of course you can’t rely on a handy white painted brick wall being nearby every time you take a photo, so how do you create reflected light anywhere, any time?

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Ring flashes are commonly used in macro (close-up) photography. When the subject is very close to the camera, the distance of the flash from the optical axis becomes significant. For objects close to the camera, the size of the ring flash is significant and so the light encounters the subject from many angles in the same way that it does with a conventional flash with soft box. This has the effect of further softening any shadows.

Great insights on reflected light! I never realized how much it could enhance portraits. The tips about using natural reflectors are especially helpful. Can’t wait to experiment with my next shoot!

Lastly, the large surface area of the wall changed the light source into a large light source. In photography the larger the light source relative to the subject, the softer the light will be.

A ring flash is a circular light that is often operated with a camera lens in the center to take photographs. Unlike point light sources, a ring flash can illuminate a subject with minimal shadows by closely and evenly surrounding the optical axis of the camera lens. This makes it a popular choice for various types of photography, including macro, portrait and fashion photography.

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Ring flashes become more popular during the pandemic due to the growth of social media, specifically Tiktok. Users purchased and used these ring lights to improve their lighting while allowing them to attach their phones between the lights.[6] Their price varies from $10 to $100, and people tend to purchase them online.[7]

Refraction oflight

Before we get into the details of using reflected light in photography, you should know that there are two ways to light a subject:

TPD-605 is a high transmittance silicone LED light diffusing agent, which is mainly used as a light diffusing agent in transparent plastic materials.

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Other devices are available that project light in a fashion similar to ring flashes. For example, flash diffusers have no light source of their own, but instead mount in front of a conventional flash unit and transmit the light to a ring-shaped diffuser at the front of the lens. Some other passive light modifiers can shape the light from a conventional shoe-mounted flash into that of a ring flash. These adapters use diffusers and reflectors to "bend" the light in an arc around the lens axis and then emit the light from that arc. These devices maintain any through-the-lens (TTL) lighting functions that are shared by the camera and flash because the timing of the light has not changed.

Reflection

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Reflected light takes on the color cast of the surface used to reflect it. So, when you bounce light off of a green surface (like in the image above), you’ll cast a green light onto your subject.

Modern continuous ring lights frequently use light-emitting diodes (LEDs) because they are bright, energy-efficient, and capable of producing quality light.[3]

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A while ago I updated my Facebook profile photo and my friends went mad commenting that I looked so young and couldn’t believe we were the same age. There was no magic involved, I haven’t had any “work done” and I didn’t edit my skin to look like plastic.

Ring flashes are also used in microscopy. The ring flash (usually LED[citation needed]) is mounted on the objective lens of an optical microscope. The main use of this tool is the photographing of microscopic organisms[citation needed]. A ring flash works on a microscope in much the same way as it does on a camera; it reduces reflections while bathing the subject in light.

If I didn’t have the wall reflecting light back at me my face would have been dark and the background super blown out. So the reflected light worked as fill light to brighten my face.

When you bounce light off a large surface close to the subject, you make the light source bigger, so the light is softer. And soft light is flattering on skin.

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In other words it’s light (any type of light, natural or artificial) that doesn’t shine directly onto the subject. It’s first shone onto a surface and then reflected back to the subject.

A macro ring flash typically consists of a power and control unit mounted on a hot shoe, and a circular flash unit mounted on the front of a lens. Power is supplied by batteries in the shoe-mount unit and a cable conveys power and control signals to the circular flash unit. In larger ring flashes, which are typically used for fashion photography, power may be supplied by an external battery or line power supply, or the power supply and light may be combined in one unit.[5]

The wall added a second light source, so I was backlit by the sun and front lit by the reflected light. When you can add a light source to a photo it makes the image more interesting and elevates it above a snapshot.

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This is why photographing on green grass in midday sun results in sickly looking skin tones that you then need to color correct in post. The light comes down from above, hits the grass and bounces green light straight back up into the subject.

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