Extension tube Wikipedia
How to Use Extension Tubes for Close Up & Macro Photography. In this tutorial I show you how Extension tubes can be used as an alternative to the more expens.
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Kegunaan extension tube yang berikutnya adalah mengubah lensa kamera biasa menjadi lensa makro. Extension tube menawarkan fitur magnification atau pembesaran yang menjadi ciri khas dari lensa makro serta tidak bisa ditemukan pada jenis lensa yang lain. Extension tube ini hadir dalam berbagai pilihan focal length.
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What is an extension tube used for in photography? A detailed look at the uses of extension tubes, this video covers examines the benefits and compromises to.
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Best Overall: Kenko Auto Extension Tube Set DG. Best for the Money: MEIKE MK-N-AF1-A Macro. Best Cheap: Fotodiox Macro Extension Tube Set Kit. Most Sturdy Nikon Extension Tube: Mcoplus Extnp Auto Focus Macro Set. Comparison of the Best Nikon Extension Tubes.
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An extension tube allows you to move the lens farther from the sensor or film plane, which in turn allows you to focus on objects that are much closer than the minimum distance of your lens. It does this by reducing the minimum focusing distance of your lens by a factor of 1:8 for Canon lenses and 1:4 for Nikon lenses — so if your lens.
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Extension tubes are sometimes confused with teleconverters, an optical component (i.e., containing lenses) designed to increase effective focal length. A close-up lens also enables focusing closer for macro photography but, unlike an extension tube, a close-up lens actually is an optical element.
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The purpose of an extension tube is to alter the MFD, or Minimum Focus Distance of a lens so that you can make your subject larger in your image. The MFD of a lens is simply the closest point at which it's possible for a lens to focus, and it's different for every lens. By inserting an extension tube between the camera and the lens, you.
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Increase in magnification = extension distance/lens focal length. • My Fujinon 35mm lens has a magnification of 0.17x at its closest focusing distance of 28cm. • Adding a 16mm extension tube means the increase in magnification is 0.45 (16/35 using the extension distance/focal length formula above).
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EXTENSION TUBE. Extension tubes are useful and affordable accessories used for close-up and macro photography. They are hollow rings that fit between the body and the lens and allow the lens to focus closer than normal, so that higher magnifications can be achieved. There is no easy way to work out the magnification you will get, as it depends.
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Selain itu, pastikan juga extension tube memiliki konstruksi yang kokoh dan tahan lama untuk penggunaan jangka panjang. Tips Penggunaan Extension Tube. Setelah mengetahui cara memilih extension tube yang tepat, berikut adalah beberapa tips penggunaannya untuk menghasilkan foto makro yang mengagumkan: 1. Gunakan Lensa dengan Fokus Manual
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These extension tubes are compatible with pretty much any E-Mount Sony camera, from older NEX-series APS-C cameras through to current A6000-series models and even full-frame A7 and A9 bodies. You only get two tubes in the kit rather than three, but they cover versatile 10mm and 16mm extensions, and can be combined to form a 26mm tube for a.
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An extension tube is an attachment that goes between your camera body and your lens. It's not an optical element, so there is no glass involved. All it does, is get the lens further away from the focal plane. Now, the practical upshot of this, is that your minimum focusing distance gets smaller. So, with an extension tube, you can get closer.
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4. Mix and match. If you want to get closer to the subject, you'll need add an extra tube. If the magnification was too high, though, you'll need to swap the tube for one of the smaller ones in your set. Repeat the last step until you're happy with the magnification and basic framing. 5. Fix the camera.
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First, let's assume we fit a 10mm extension tube to a 100mm focal length lens. The gain in magnification, m, is 10/100, or 0.1. But if we switch the 10mm extension tube for one that's 50mm, the magnification gain becomes 50/100, or 0.5. So, for a given lens, you'll gain more magnification by using longer extension tubes.
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To understand and calculate the magnification increase offered by an extension tube, use the following simplified equation: Magnification Increase=Extension Tube Length (mm)/Lens Focal Length (mm) For example, if you're using a 50mm lens and add a 25mm extension tube: Magnification Increase=25/50=0.5. So, with a 25mm extension tube on a 50mm.
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While a Canon EF 25 II extension tube is about $150 USD on Amazon, the Kenko DG Auto set (the 12mm, 20mm, and 36mm) is priced at just over $100 USD. Given that the tubes contain no glass, they have no optical difference and are very similar in construction. The largest difference between the two brands online is the release levers.