Tubo de Extensión Vivitar lente de la cámara

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Learn About Vivitar Camera Lens Extension Tubes

Extension tubes are among the optical products Vivitar makes for use with their own and other DSLR cameras. If you wish to photograph items at a closer range than the stated minimum distance of your lens, extension tubes are designed to help you do just that. Understanding the camera and lens fittings, how to attach and use lens extension tubes, and how to maintain them may help you find the product that is right for your camera.

What is a photographic extension tube?

Some basic things to know about extension tubes for cameras include:

  • The further forward you can extend the lens, the closer it can focus on the subject of your shot.
  • Extension tubes increase the maximum amount by which you can move the front element of your lens forward.
  • A closer focus allows you to magnify the subject to a greater degree, which is why the concept of extension is useful in some areas of photography.
What are some common characteristics of extension tubes?

Some common characteristics of extenders are:

  • A cylindrical frame that is hollow at the core.
  • Tight construction that does not allow any light to pass through the tubes as it travels through the lens.
  • Some extension tubes contain electrical contacts that allow a digital camera to control the lens.
  • Extension tubes do not need any optical elements to function.
What camera and lens fittings can you use?

Some common brands and models you may be able to pair with Vivitar extension tubes include:

  • Canon EOS and FD cameras and lenses
  • Minolta MC, MD, or SR models
  • Nikon equipment and lenses
  • Pentax equipment and lenses
What are the main types of extension tubes?

Most extension tubes are split into two main categories: electrical and non-electrical. Which tubes you purchase will depend on your needs and preferences. The primary differences between the two types of tubes are that the non-electrical extension tubes do not maintain any electrical connections between your camera and your lens, while electrical extension tubes have electrical contacts that allow for a connection between the body of your camera and its lens. Either way, your equipment will still control settings like the aperture, automatic exposure, and autofocus functionality.

How do you attach the tubes?

There are connectors on both ends of the tube. One connector attaches to your lens while the other connects to your camera. You may wish to connect your tubes to the lens first; then you can mount the whole apparatus on the camera.

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