News and Events

Lens vs Lens Tube - What's the difference?

Posted by Ana Walters on

American Photonics don't feel you should ever touch your lens. That's why we've developed an easier, cost-efficient way to replace and clean it without dropping it, or getting the oils from your fingertips on the lens.It's a simple process: Just slip the stem tube in the hole under the 3rd mirror, set your focus and hit the run button! However, notice that your regular lens diameter is NOT the same as the tube diameter. To find out the right size, you just have to measure the outside diameter of the tube that fits in the hole under your third mirror.  The lens is suspended in...

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Setting the proper focus in your K40

Posted by Ana Walters on

By HP Persson  DIY & how-to, Lens & mirrors  alignment, K40 laser cutter, K40D laser cutter, Laser head, Lens, Mirrors  13 Comments Focus is very important for your work, if you are out of focus you will lose power or get strange effects when engraving.This is the most common issue with new users on the k40 machine, the information from the seller how to use the k40 is very limited so this information is not there and a new user tend to search for other problems causing it, when it´s actually the bed and focal distance doing it. Lens setup calculator Check out this calculator that helps you set up your lens and distance properly...

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How to find out the correct diameter for my lens stem?

Posted by Ana Walters on

If you're looking to buy one of our lens stems, but you're unsure on the correct diameter, here it is an easy way to find out:  Just measure the diameter of the tube that fits up the hole under the 3rd mirror.  This will determine the diameter of the lens tube that you need! ;)  By Natalia Pereira   

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How to determine the focal length?

Posted by Ana Walters on

A focal length is the distance between the upper surface of substrate and the bottom of the lens, and the height will depend on what you're looking to do with your machine. Normally, shorter focal length lenses, like the 1.5” and the 2”, are used for engraving.  The lower the focal length, the finer the point. Longer focal length lenses, like the 4'', is better for cutting.   By Natalia Pereira  

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WHO WE ARE - American Photonics: Proudly Made In America

Posted by Ana Walters on

  By Natalia Pereira

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