Optical vs. Digital Zoom: Which is Better? - electronic zoom

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Cross polarizationphotography

I’ve heard about cross polarized light some time ago. I knew the results of it over plastic stuff, the cool colours and etc. And thought I knew more or less all about it….silly guy.

Cross polarizationfilter

I’ve heard about cross polarized light some time ago. I knew the results of it over plastic stuff, the cool colours and etc. And thought I knew more or less all about it….silly guy.

Aug 12, 2014 — Summary. edit. DescriptionDivergenz Laserstrahl kollimiert.png. Deutsch: Divergenz und NOHD bei einem kollimierten Laserstrahl. Date, 12 August ...

Aperture refers to the opening in the lens that controls how much light reaches the sensor. This is indicated in the format 1:2.8, for example, with the second set of numbers indicating the maximum aperture.

202043 — What is focal length in photography? Technically, focal length is the distance between the point of convergence and the camera sensor, ...

I didn;t know, but I was trying to light the key with the polarized lighting; which is very different from thing, considering that I was looking for the colours..

More googling and ended up finding a bunch of images with some crazy lighting. The pictures were on Shuterstock, and with a uncommon keyword #polarizedlight

Throughout this course, we’re referring to six essentials of photography. However, it is important to mention that this could in fact be five! Why? Because images can be recorded without a lens on so-called pinhole cameras (or camera obscuras).

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More googling and ended up finding a bunch of images with some crazy lighting. The pictures were on Shuterstock, and with a uncommon keyword #polarizedlight

Crosspolarizedlightgeology

I didn;t know, but I was trying to light the key with the polarized lighting; which is very different from thing, considering that I was looking for the colours..

Focal length is usually indicated both on the side of the lens barrel and sometimes on the front of the lens, along with the lens diameter.

Typically, lens names are formatted like this: Canon EF 24-70mm f/2.8L II USM Lens or Nikon AF-S 50mm f/1.8G. Each of these numbers and letters relays essential information, such as focal length, maximum aperture, lens version and focusing motor. Other features specified can include stabilisation, filter diameter and focusing distances.

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Longer focal lengths offer a narrower angle of view and more magnification, which means they are better suited to sport or wildlife photography than architectural photography.

I decided to try it with a shine metal object, sure that I would get all those crazy LDS colours over it. In a white background! Silly again.

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These elements serve to direct the light to a single focal point so that it can accurately be recorded by the sensor (9) once the mirror (7) flips up (triggered when you press the shutter button). Mirrorless cameras work the same way, but do not have the mirror or prism.

After moving lights and lighting angles, I’ve got it. Suddenly, the silver key became BLUE! You can really sees it, but the camera does! I you’re wearing polarized glasses, you can see it.

Crosspolarizedlightmicroscopy

Prime (or fixed) lenses feature a fixed focal length. Available in a range of focal lengths, these lenses are known for delivering high-quality images. They also generally offer much wider apertures than zoom lenses do.

Some lenses feature a fixed aperture. Catadioptric, or mirror lenses, which used to be fairly common, usually feature a longer focal length, such as 500mm at a fixed aperture of f6.3. Most telescopes are catadioptric.

Back home, in Brazil, was just impossible to get a sheet of polarized film sheet. But in Vancouver they are supper accessible, and during one of my studio times, decided to give it a go.

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Cross polarizationantenna

2024104 — Optics, science concerned with the genesis and propagation of light, the changes that it undergoes and produces, and other phenomena closely associated with it.

However, recording an image without a lens is far more complex, and doesn’t afford the photographer the same creative freedom. Essentially, without a lens, you're shooting at a very small fixed aperture. Thanks to the variations in magnification they offer, lenses allow us to shoot many different objects, which simply wouldn’t be possible with a camera obscura.

diffuseness (difˈfuseness). noun. Word origin. ME < L diffusus, pp. of diffundere, to pour in different directions < dis-, apart + fundere, to pour: see found.

Cross polarizationphotogrammetry

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Lenses focus the light onto the recording medium, which allows an image to be recorded. As you’ll see from the illustration of a DSLR camera below, light enters the lens and passes through the front element (2) before reaching several lens elements (3, 5 & 6).

Back home, in Brazil, was just impossible to get a sheet of polarized film sheet. But in Vancouver they are supper accessible, and during one of my studio times, decided to give it a go.

I decided to try it with a shine metal object, sure that I would get all those crazy LDS colours over it. In a white background! Silly again.

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Lenses with shorter focal lengths provide a much wider angle of view and less magnification. This makes them better suited to landscapes than to product photography.

After moving lights and lighting angles, I’ve got it. Suddenly, the silver key became BLUE! You can really sees it, but the camera does! I you’re wearing polarized glasses, you can see it.

Some lenses will feature two maximum apertures (shown as 1:4-5.6). This means that, as you zoom, the aperture capability changes. So at the shortest focal length, you may be able to shoot at f4, but once you zoom to the longest focal length, the widest aperture you’ll be able to shoot at will be f5.6. Generally lenses with wider apertures are favourable due to their increased light-capturing capabilities.

Zoom lenses provide a variety of focal lengths. This makes them very versatile and reduces the need for multiple lenses.

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