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300ml Camera lens thermocup now available @Ksh 999 wholesale price

300ml Camera lens thermocup now available @Ksh 999 wholesale price

300ml Camera lens thermocup now available @Ksh 999 wholesale price

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300ml Camera lens thermocup now available @Ksh 999 wholesale price*

Understanding Camera Lenses Basics

300ml Camera lens thermocup now available @Ksh 999 wholesale price*

A camera without a lens is useless to a photographer. The lens is what focuses light from what you see through the viewfinder into a tiny, (typically) 35mm spot on the back of your film, DSLR, or mirrorless camera. If you remove the lens from your camera, the only kind of image you can produce is white light. Consequently, a high-quality lens can help you capture great photos even with a cheap camera, while a low-quality lens can make the best camera mediocre and the resulting image quality, poor.

Here are the camera lens basics to help you make the right choice for your photographic needs.

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What Is a Camera Lens?

A lens is a tool used to bring light to a fixed focal point. In a film camera, the lens sends the light to the film strip, while in a digital camera (like DSLRs or mirrorless cameras), the lens directs light to a digital sensor. Camera lenses are made up of a series of glass plates that are convex (curved outward) or concave (curved inward).

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Camera Lens Characteristics

All lenses filter and focus light so that it hits the sensor or film strip correctly. However, there are a variety of other factors that determine how a camera lens affects the look and quality of the final photo.

  • 1. Focal length is the measurement of distance (in millimeters) between the point of convergence of your lens and the sensor recording the image. The focal length range of a lens is expressed by a number, and that number tells you how much of the scene your camera will be able to capture. Smaller numbers have a wider angle of view and show more of the scene; larger numbers have a narrower angle of view and show less.
  • 2. Aperture is how big the opening is that lets light in, expressed in f-stops. F-stops are counterintuitive, because the larger the number, the smaller the opening. For example, f/2.8 allows twice as much light into the camera as f4, and 16 times as much light as f11. Aperture affects the depth of field: larger openings create a shallower depth of field, while smaller openings make more of the image in focus.
  • 3. Maximum Aperture. Lenses will list a maximum aperture on the barrel, indicating the maximum width a lens aperture can open. Typically, lenses with a wider maximum aperture cost a bit more. A lens with a wide maximum aperture is great for low light situations, so if you are considering night photography, it might be worth the investment.
  • 4. Depth of Field. Controlling the amount of the photo that is in focus is one of the photographer’s best tools to help draw the viewer’s eye where you want it. For example, landscapes are typically shot so that everything is in focus, so photographers will shoot at small apertures (e.g. f11 or f16). The depth of field varies with the type of lens, due to maximum aperture.

5 Basic Types of Camera Lenses

There are two basic categories of camera lenses:

  1. 1. Prime lenses. Primes have a fixed lens focal length, making them faster and sharper. While prime lenses are less flexible due to the fixed focal length, they are also fast and lightweight, making them easy to travel with
  2. 2. Zoom lensesZooms use a series of lenses to allow different focal lengths from a single lens, making them more flexible but not as fast. They contain more glass, which aids in their flexibility, but they also tend to be bigger and heavier than prime lenses.

Within both prime and zoom types of lenses, there are a variety of lenses, all with different focal lengths.

1. Macro LensesThis type of camera lens is used to create very close-up, macro photographs. They have a unique design that allows them to produce sharp images at extremely close range. These lenses are great for nature photography, enabling you to capture an enormous amount of detail in one image.

2. Telephoto LensesTelephoto lenses are a type of zoom lens with multiple focal points. These types of lenses are great for isolating a subject that is far away. However, such great magnification comes at the price of a narrower field of view. In the same way that you would use a telescope to look at stars and planets, a telephoto lens is used for focusing in on distant objects. Many sports photographers use telephoto lenses to provide a sense of intimacy with the subjects on the field (the players) while standing on the sidelines or in the bleachers. There are many different types of telephoto lenses, and some can be quite large, heavy, and expensive, so take some time in choosing the right telephoto lens.

3. Wide Angle LensesWide angle lenses are ideal for fitting a large area into your frame. This is especially useful for landscape photography or street photography. With wide angle lenses, almost everything is in focus, unless your subject is very close to the lens.

4. Standard LensesStandard lenses can be used for a variety of different types of photography. Their focal lengths fall somewhere in the middle, usually between 35mm and 85mm. A zoom lens within this range will have a small enough focal length at the bottom end to take a wider angle, full-frame photo, and a large enough focal length at the top end to zoom in on subjects.

5. Specialty LensesFinally, there are some more specialized camera lenses that can impart a unique look and feel to your photographs. There are several types of specialty camera lenses, but a few of the most prominent examples are:

  • 1. Fisheye lens. A fisheye lens is an ultra-wide-angle lens that can take in a full 180 degree radius around it. Fisheye lenses are so named because they distort an image’s field of view, making even a room in a house look like a bubble.
  • 2. Tilt shift lens. A tilt shift lens distorts perspective, making things look smaller than they really are—almost as if they are toys.
  • 3. Infrared lens. These lenses play with light rather than perspective, filtering out all light waves except infrared for a unique visual effect.

Common Lens Sizes and Specs

16mm Lens

  • 1. Angle of view: Very wide
  • 2. Description: Very wide view of the world. Great for landscape photography.
  • 3. Depth of field: Everything is in focus. Impossible to have a shallow depth of field.
  • 4. Distortion of space: Makes things seem farther away than they actually are. Exaggerates the size of anything very close to the camera.

35mm Lens

  • 1. Angle of view: Wide
  • 2. Description: Roughly what a cell phone would capture. Great for street photography.
  • 3. Depth of field: Pretty much everything is in focus unless your subject is very close to the camera.
  • 4. Distortion of space: Less spatial distortion than a very wide lens, but it still makes things seem farther away than they actually are.

50mm Lens

  • 1. Angle of view: Normal
  • 2. Description: Roughly the way the human eye sees the world. Good for just about any type of photography.
  • 3. Depth of field: Easy to have a shallow or deep depth of field, depending on aperture range.
  • 4. Distortion of space: Very little or none.

85mm Lens

  • 1. Angle of view: Medium telephoto
  • 2. Description: Great for isolating a subject from the background. Good for portrait photography.
  • 3. Depth of field: Easy to get a shallow depth of field.
  • 4. Distortion of space: Makes things seem closer than they actually are.

200mm Lens

  • 1. Angle of view: Telephoto
  • 2. Description: Ideal for picking out a distant subject, the way a telescope does. Good for compressing your subject and the background.
  • 3. Depth of field: Quite often has a shallow depth of field unless everything you’re shooting is quite far away.
  • 4. Distortion of space: Makes things seem significantly closer than they actually are.

What to Consider When Buying a Camera Lens

There are a few important factors to take into consideration when investing in a new camera lens.

  • 1. Cost. Lenses can get very expensive very quickly. If cost is a concern for you, consider a middle length zoom lens—for example a 24-70mm (f/2.8) lens. This is a workhorse lens that works well in a variety of situations, from portraits to landscapes.
  • 2. Size and weight. Another major factor to consider when buying a lens is how large and heavy it will be. A large telephoto lens can weigh as much as 10 pounds. Take into account what the purpose of your camera and lens is; if it’s simply to take vacation photos, opt for a lighter, more compact one. But if you’re a, say, travel or wildlife photographer, then a telephoto is important for capturing those rare shots from afar.
  • 3. Features. In addition to the camera lens specs discussed above, some lenses offer additional features and functionality. For instance, many lenses have a built-in autofocus feature, which can help you easily achieve the proper focus for your subject. Other lenses offer manual focus, which is more difficult to use, but also better suited to certain situations—for instance, low light conditions.
  • 4. Compatibility. Not all lenses work with every brand or model of camera. For example, a Nikon lens will not work well with a Canon or Sony camera, unless you have an adapter (and even then, not all features will work). Before buying a camera lens, check with the lens manufacturer to ensure that your chosen lens is compatible with your camera body.

Whether you’re just starting out or have dreams of going professional, photography requires plenty of practice and a healthy dose of patience. No one knows this better than celebrated National Geographic photographer Jimmy Chin. In Jimmy Chin’s MasterClass on adventure photography, he unpacks different creative approaches for commercial shoots, editorial spreads, and passion projects and provides a valuable perspective on how to bring your photography to new heights.

Want to become a better photographer? The MasterClass Annual Membership provides exclusive video lessons from master photographers, including Jimmy Chin and Annie Leibovitz.

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