This month, I’ll share some simple and effective two light setups, including lighting diagrams and some do’s and don’ts. I’ll explain where and why I positioned the lights and modifiers I used and why you should and shouldn’t use some of these setups. These setups can be done at home, in studio or on location.

Electromagnetic and Transverse Waves: All light propagates through space and most material media in the form of transverse electromagnetic waves. This means that the oscillation of the electric field (E) and the magnetic field (B) is perpendicular to the wave's direction of propagation.

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What ispolarizationofwavesin Physics

A simple modification of the flat light setup is to cut the power of your Fill – start with ½ stop and go down from there. I also find turning your model AWAY from the Fill can also create more interest and flattering shape. Let your Key light do it’s job – be the main source of light for your portrait. We still have the nice shine on her pants and hair and the light is still somewhat flat, but it’s overall a much better portrait.

Since I’m doing portraits, I chose the Deep Octa 70cm as my key light. If you recall from the very first installment, the Deep Octa is one of my favourite light shapers for portraiture due to the fairly round catchlights and the way it wraps light around your subject, giving your portrait dimensionality.

Application of Polarization in 3D Glasses: 3D glasses use the principle of polarization to create the illusion of depth. The film projection polarizes light in two different ways (e.g., right and left angles). The glasses have polarizing filters that allow only light of a certain orientation to pass to the eye, creating the illusion of 3D images when each eye sees a slightly different image.

Types of Polarization: There are three common types of light polarization - linear, circular, and elliptical. In linear polarization, the electric field oscillates in a single plane. In circular polarization, the electric field rotates in a circle in the plane perpendicular to the wave's direction of propagation. In elliptical polarization, the electric field rotates in an ellipse in the plane perpendicular to the wave's direction of propagation.

Polarizationof electromagneticwavespdf

Welcome to the seventh installment of our new monthly that highlights a different Elinchrom Light Shaper or Lighting Technique, with sample images (full length and cropped headshots) and lighting diagrams. All the images were photographed with the same model and outfit (standing in the same spot on the background – about 3 feet away), the same day in the same blacked out studio, with the same strobes at the same height (forehead height) & distance (about 5 feet) from the model and the same camera setup. I tried to remove as many obstacles as possible so we can compare light shaper effects.

Waves: Polarization is a natural extension of studies on electromagnetic waves, which can be modeled as transverse waves in a vacuum. This is a crucial theme in the study of light, which is an electromagnetic wave, as light polarization allows us to discern the intrinsic orientation of the electric and magnetic fields that make up the wave. This understanding is then imported into more advanced studies in optics, which explore the nature of light, lenses, and colors. Thus, the principles of wave polarization provide the foundation for our understanding of the world around us and the technologies that emerge from it.

This isn’t a recommended use for a Strip box, as it looks just like any other softbox as a Fill. For learning studio photography, this setup is fine. It’s not ideal and here’s why: the light on Maya is flat and uninteresting – there’s no shape or sculpting. I do like the highlights on her pants so they’re not just a sold black blob and the highlights in her hair look nice. But overall, this is kind of boring and, if you’re an “experienced” studio photographer, lazy. Try this for the first couple of times and then start moving your lights around more. If you’re taking portraits of Real Estate agents, stop doing this. Just stop! Unless you have a good reason for flat lighting (such as fixing bad complexion or reducing wrinkles), try not to do this.

Manipulating Polarization: Describe how light polarization can be manipulated and illustrate this with practical examples.

Waves: Polarization is a fundamental topic in the Physics discipline, permeating studies on the wave nature of light and other electromagnetic waves. Light polarization is an optical phenomenon that opens doors to understanding the complexities of the interaction between light and matter. Its understanding is essential for many fields of study, such as optics, communications, instrumentation, and sensor technology.

Polarized and unpolarized light

Will teaches photographers of all skill levels how to improve their craft – from creative photo projects to picking the right gear for their needs to flattering lighting to getting the best expressions to creating final images for screen and print. His unique style of highly detailed images with perfect tonality, wide dynamic range and stunning colour is instantly recognizable. Commercial clients rely on Will’s creative eye and mastery of lighting.

If I move the Strip box further to the right, the light becomes less flat. We’ve got nice shadows shaping Maya’s face. This is a nice and easy modification to add some character to your portraits.

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To summarize, moving your lights requires some understanding of what will happen when and where you move those lights. Flat lighting is okay when you’re learning or for specific cases, such as minimizing imperfections and blemishes. But if you want to give your portraits character and shape the features of your subject, moving your Fill light behind them and using a grid to prevent spill give you more control over your light. More control over your light leads to more interesting images.

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Types of Polarization: Light can be polarized in three main forms - linear, circular, and elliptical. In linear polarization, the direction of the electric field remains constant. In circular polarization, the electric field rotates in a circle. In elliptical polarization, the direction of the electric field continuously changes and describes an ellipse.

Special thanks to Phil and RevPrint Studio (https://www.revprint.com) for the use of their space. Phil hosts workshops featuring Elinchrom gear via West Toronto Photography Group (https://www.wtpg.ngo/)

Examplesofpolarizationin society

I used an Elinchrom FIVE battery monolight triggered by the Elinchrom Transmitter Pro. My trusty Gossen Digisky light meter ensured consistent exposure values – it has an integrated Skyport transceiver to remotely trigger the FIVE. My Nikon D810 had a Tamron 85mm f/1.8 lens and all was mounted on a Vanguard VEO 3+ 263CB tripod. Camera settings are ISO64, f/8, 1/125s We used an Easiframe backdrop system with the Grey Texture backdrop. I tethered my camera into Capture One on my laptop with a Tether Pro USB-C to C cable and connected my laptop to a large screen TV with a TetherPro HDMI cable so we could review images on the big screen.

Light Polarization: Light polarization is the direction in which the electric field oscillates. In most light waves, the electric field oscillates in all directions perpendicular to the direction of propagation. However, in some situations, the direction of the electric field is restricted to a particular direction - this is light polarization.

Polarization examples

Light and Electromagnetic Waves: Light is an electromagnetic wave, which means it is an oscillation of the electric and magnetic field that propagates through space. In a vacuum and other transparent media, light propagates as a transverse wave.

A portrait, fine art and commercial photographer for 30 plus years, Will Prentice is not just a contributor to PHOTONews magazine, but also host of PHOTONewsTV, owner of Captura Photography+Imaging and Technical Support/Brand Manager for Amplis Foto, Canada’s largest distributor of photographic equipment.

Polarization in Radio and TV Wave Communication: Polarization is used to send different signals at different frequencies in the same space. For example, an FM radio station can transmit at 100.1 MHz using vertical polarization, while another station can use the same frequency with horizontal polarization. Since signals with different polarizations do not interfere with each other, it is possible to transmit multiple signals at the same time using different polarizations.

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Polarizationof light notes PDF

This where grids come to your rescue. I added the textile grid to the Strip box and moved the Strip just a bit more towards the camera. I still have that nice separation of Maya from the background and the nice shaping and sculpting of the light around her. I don’t have that annoying spill on the background and the adjustment of the light position has prevented any spill into the lens, which can cause flaring.

Electric Field and Magnetic Field: Each point in a light wave has an amount of E (electric field) and B (magnetic field) that varies with time. The direction and magnitude of the electric and magnetic fields at a point in a light wave are perpendicular to the wave's direction of propagation.

Electric Field and Magnetic Field: In light polarization, the electric field and the magnetic field are in constant variations. The direction and sense of these variations determine the polarization of light.

Let’s take our Strip box and move it behind Maya – in line with the Key light. This removes the flat lighting. Used as an edge light, the Strip box creates separation between Maya and background. The large 130cm Strip creates this edge light from her hair down to her calves. We still have some detail on the pants. The Edge light sculpts her jawline. This lighting really adds dimensionality and character to the portrait. The issues are that the Strip spills some light onto the background and there was a risk of glare into the lens from the Strip being aimed back at the camera.

Share some of your favourite images where you used Fill light to your advantage on our Facebook page or tag us on Instagram #photonewscanada #elinchromlightshaper.

Linearpolarization

Identifying Polarization: Given a light wave, is it possible to determine its polarization and explain the reason behind this polarization?

Transverse Waves: Transverse waves are waves that propagate in directions perpendicular to the direction of vibration. A common example of a transverse wave is a wave on a string, where the string oscillates up and down, but the wave propagates laterally. In light polarization, the electric and magnetic fields oscillate in planes perpendicular to each other and to the direction of propagation.

Applications of Polarization: Light polarization finds applications in a wide range of technologies, from 3D glasses to radio and TV communications, further highlighting the importance of its study.

When he’s not behind the camera or in front of a class, you’ll find Will outdoors in any weather – usually on one of his bikes or enjoying time with his grandchildren.

Light Polarization: Light polarization is a phenomenon in which the oscillations of the electric field are restricted to a single plane. This phenomenon is essential for many technological applications, such as communication via fiber optics and 3D film and image technology.

Understanding Polarization: Light polarization is a complex phenomenon but fundamental for understanding many aspects of physics, as well as for the development of various technological applications.

Polarization waves real life examplesppt

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Polarization of Light by Polaroid Filter: A polaroid filter is capable of selecting and transmitting light waves with an electric field in a specific direction, blocking all other directions. When unpolarized light passes through a polarizing filter, the direction of the electric field is filtered, and the light emerges polarized.

Oscillation Plane: is the plane in which the electric field of a polarized wave operates. The direction of the electric field at each point of the wave is contained in this plane.

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The first setup is fairly simple and one I see many new studio photographers use. The Key light with the Deep Octa remains camera left. I’ve added a second FIVE, this time with the 50×130 Strip Box camera right as a Fill light. Both lights are about 45º from Maya.

A portrait, fine art and commercial photographer for 30 plus years, Will Prentice is not just a contributor to PHOTONews magazine, but also host of PHOTONewsTV, owner of Captura Photography+Imaging and Technical Support/Brand Manager for Amplis Foto, Canada’s largest distributor of photographic equipment. Will teaches photographers of all skill levels how to improve their craft – from creative photo projects to picking the right gear for their needs to flattering lighting to getting the best expressions to creating final images for screen and print. His unique style of highly detailed images with perfect tonality, wide dynamic range and stunning colour is instantly recognizable. Commercial clients rely on Will’s creative eye and mastery of lighting. When he’s not behind the camera or in front of a class, you’ll find Will outdoors in any weather – usually on one of his bikes or enjoying time with his grandchildren.

Analyzing the Applications of Polarization: Select three applications of polarization and explain how understanding this phenomenon is crucial for the respective technologies.