EAN-130724500190824   EAN-13 barcode 0724500190824
UPC-A724500190824   UPC-A barcode 724500190824
Product NameSirui K-20X 38mm Ballhead with Quick Release, 55.1 lbs Load Capacity
CategoryElectronics / Photography
Amazon.comA Buy on Amazon ~ B004QC3COO
Price New119.99 US Dollars    (curriencies)
Price Used472.01 US Dollars    (curriencies)
Width2.76 inches    (convert)
Height3.86 inches    (convert)
Length3.15 inches    (convert)
Weight14.08 ounces    (convert)
  • •Knobs for Pan, Tilt & Tension
  • •55 lb Load Capacity
  • •Quick-Release Plate with Anti-Twist Pins
  • •Arca-Style Clamp for Quick Release
  • •90° Tilt, 360° Pan
Long Description


The Sirui K-20x Ball Head is an extremely sturdy head with control knobs for pan, tilt, and tension, plus an Arca-style clamp for the included quick-release plate. The pan, tilt, and quick-release knobs are all separate, while the tension knob is integrated into the ball-locking (tilt) knob. The head tilts 90° for portrait orientation, and the quick-release plate features two pop-up pins that prevent camera twist when it's tilted 90°. There's also a video pin on the plate to keep camcorders from twisting.

Package Contents

Sirui K-20x Ball Head

•Quick-Release Plate
•Allen Key
•6 Year Limited Warranty
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Created05-07-2017 11:33:06pm
Modified08-21-2017 1:21:35am
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Article of interest

Barcodes are graphical representations of data that are hard for people to read but very easy for scanners to read. These codes come in various formats and are used all over the place for so many reasons. Some are lines others are blocks and they come in many styles.

Barcodes started out as 1D codes that look like a series of virtical lines taht come in various thincknesses and represent a small amount of date. Some examples include EAN, UPC and ISBN which are found on products and books you encounter every day. Here are some samples:

UPC Barcode

UPC-A Code


EAN Barcode

EAN-13 / ISBN-13 Code


For slightly more complex data that includes numbers and letters and some times punctuation, there are other types of barcodes such as Code 39, Code 128, Interleaved 2 of, Codabar, MSI and Plessey. Examples of these are shown here:

Barcode Code 39

Code 39 (limited text)


Barcode Code 128

Code 128 (full text)


Interleave 2 of 5

Interleave 2 of 5 (digits only)


Barcode Codabar

Codabar (digits and limited punctuation)


Barcode MSI

MSI (digits only)


Barcode Plessey

Plessey (digits and letters A-F)


You can see that all of these have the same basic format of vertical lines. They are actually very different in the the way they encode the data though and not all scanners can understand all of the different barcodes.

There are also a number of 2D barcodes. These look like retangles or squares filled with dots or blocks. These require image scanners that can see the entire image not just a stripe through the middle of the code. There are several different types of these codes. One of the most popular codes at the moment is the QR Code which stands for Quick Response Code and you have probably seen it in advertisements. Here are some examples of 2D barcodes.

Barcode QR Code

QR Code


Barcode PDF417



Barcode Aztec



Barcode Maxicode



Barcode Data Matrix

Data Matrix

You can see that these are far more complex than the standard 1D barcodes. They also store a lot more data in a much smaller area in relative terms. You will find these in warehouses and on shipping packages. Many people and government agencies are using these codes on ID badges and ID cards to store information.

If you need to make your own barcodes, you can do it here on this site. We have two pages related to making barcodes. One page for 1D and one for 2D barcodes because the two are created in very different ways. Use these links to get to the pages where you can make your own FREE barcodes.

1D Barcodes or 2D QR Codes