Why are there lenses with different focal lengths

1 size doesn't fit all When you are shopping for laser machine parts, you'll find that focus lenses are sold in different models/focal lengths. The most...

Do I need raster graphics or vector graphics?

You need both There are literally thousands of different graphics file formats, but in the end there are actually only 2 big types of graphics....

Which laser mirrors should I buy?

whatever shines best for infrared It might sound strange, but infrared light in the wavelength used by CO2 lasers does not reflect on regular mirrors....

How to avoid import taxes on Ebay orders.

Avoiding is not the same as illegal Whenever you buy products on Ebay, you run the risk that you have to pay vat and/or import...

Measuring laser power with an analog mA meter

It's cheap and it's a must When you cut using a laser cutter, you need to know how much power your power supply is delivering...

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