Feb 8, 2019 — Not only do they reduce bright reflection and unwanted glare, polarized lenses also help improve vision clarity in bright situations. Remember, ...

A green filter is mainly used for photographing plants as it helps separate the green foliage from the brightly-coloured flowers and buds.

Apr 13, 2018 — A microscope's field of view (FOV) helps determine the approximate size of objects too small to measure with a ruler. To calculate the field ...

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This can cause objects in a black and white image to blend into one another, leaving you with a photo which is flat and lifeless, and lacking in contrast and definition.

When snapping landscapes a yellow filter darkens the sky slightly, helping to balance its exposure against the darker ground. They also bring out clouds nicely, resulting in more interesting skies.

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There are 5 filter colours that are commonly used in black and white photography - red, orange, yellow, green, and blue. Each lets through its own colour of light and blocks other colours to varying degrees. For example, a red filter will let red light through, but block most green and blue.

Orange filters sit between red and yellow filters, giving a nice balance of each one's properties. This makes them a popular general purpose filter.

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Applying anti-reflective coatings to eyeglass lenses is a highly technical process involving vacuum deposition technology. The first step in the AR coating ...

A standard lens has a similar angle of view to the human eye, giving photos a natural feel. They are versatile and produce excellent image quality.

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Oct 2, 2019 — The Parts of a Camera Lens · Optical Lens · Filter Threads · Focusing Ring · Focal Length Ring · Aperture Ring · Aperture · Lens Mount · More ...

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Red filters produce such an extreme effect that they can make your photo look like it's been shot through an infrared filter. This makes them a popular, cheaper alternative to true infrared photography.

If you're serious about black and white photography then a selection of coloured filters is a great addition to your kit. They'll give you much more control over the way your photos appear, helping you to create mood, balance contrast, and emphasise the most important parts of a scene.

Yellow filters are good for separating shades of green, and can be used whe photographing plants to increase the contrast of foliage.

Black and white filters let you control how colours are converted to shades of grey. Use them to get the right contrast and mood in your photos.

A common problem in black and white photography is that certain colours look very similar when converted into greyscale. For example, some shades of red, green, and blue look completely different in colour, but almost identical in black and white.

The result is that colours matching the filter colour appear brighter in the final image, while other colours appear darker. In black and white photography this means that objects appear as lighter or darker shades of grey.

When taking photos of strangers you should always ask permission. With the right attitude and a few crafty tips you'll soon have models lining up.

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Yellow filters produce the most subtle effect of the 5 coloured filters. In some cases the difference is barely noticeable, but it can help to lift a photo just enough. They're a popular choice for beginners as they can be used in virtually any type of photography.

Panoramas are a striking way to photograph a landscape, and are a lot of fun to shoot. Learn how to capture and stitch a successful panorama.

Jul 31, 2023 — Lasers are used in dental drills, eye surgery, tattoo removal, and (of course) laser pointers. Learn how different lasers generate such ...

When used correctly, this reduced contrast can be useful for giving a shot a calm, soothing atmosphere. A blue filter also increases the appearance of haze and mist, making it handy for enhancing the mood of an early-morning scene.

When shooting plants they help increase definition between flowers and foliage. This is particularly useful when shooting red flowers, as they have a similar tone to the surrounding leaves.

Red filters produce a very strong effect and greatly increase contrast. They're often considered too "harsh" for most types of photography, but can be used to produce striking creative effects.

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Similarly to red filters, they can be used to reduce the appearance of fog and haze, and to darken skies and emphasise clouds.

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A collimated beam of light or other electromagnetic radiation has parallel rays and therefore will spread minimally as it propagates.

Wire grid polarizers are a common example of this, consisting of many thin wires arranged parallel to each other. The light that is polarized along these wires ...

They can also be used in landscape photography to boost the appearance of grass and trees, but they also lighten the sky so you need to be careful not to lose detail there.

In portrait photography, an orange filter reduces the appearance of freckles and blemishes, giving the skin a healthy, smooth look.

In landscape photography, a red filter will turn a blue sky almost black and make clouds really stand out, giving the scene a dramatic feel. They're also excellent for increasing visibility in haze and fog.

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White balance sounds complicated, but it is actually very easy to understand, and can really bring out the best in your photos.

Professional photographers swear by the "golden hour" as the time of day with the best lighting. Discover what it is and how to take advantage of it.

Coloured lens filters offer a solution to this problem because they affect the way colours are "converted" to black and white. This allows you to control the way they appear in the final image, ensuring that objects are well separated and clearly defined.

Flower photography can be challenging, but is hugely rewarding. Learn the art of choosing a good subject and battling the wind.

When photographing buildings and cityscapes, they give bricks a pleasing tone, and increase contrast between different materials to add depth and texture to the image.

Blue filters are rarely used for black and white photography. They darken most colours and reduce contrast across an image.

Acronyms to describe a transgender or transsexual individual. The first letter is the assigned birth sex; the second letter T is for “to,” signifying transition; and the third letter is the destination gender, the person’s affirmed gender. The * indicates inclusivity of all variations of transpeople, as not all identify with a particular gender.