If you’ve used a diode laser engraver or cutter, you know that focus is critical. You’d think it would be relatively simple to get a sharp focus, but it isn’t that simple. [Makers Mashup] shows in a ...
In 2009 Leica introduced its M9, with a larger 18.1MP full-frame CCD sensor, again by Kodak – but with its IR filter! Later M-series Leica models all have full-frame CMOS sensors, and all are equipped ...