Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
Nächste Überarbeitung | Vorhergehende Überarbeitung Nächste Überarbeitung Beide Seiten der Revision | ||
pcb_microscopy [2015/03/05 22:07] karl angelegt |
pcb_microscopy [2015/03/05 23:07] karl [Camera vs. USB-Microscope] |
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+ | **Full frame image of a 0.65mm pitch-chip and 2 cropped versions (but without digital zooming)**\\ | ||
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===== The Camera ===== | ===== The Camera ===== | ||
- | I am using my Sony A33, which is an single lense transluscent type of camera. This means, | + | I am using my Sony A33, which is a single lense transluscent type of camera. This means, |
What is special with this one is, that it can zoom in to 100% or even 200%. This means, one pixel of the camera sensor is rendered directly to one (or even 4) pixel of the high resolution LCD of the camera. | What is special with this one is, that it can zoom in to 100% or even 200%. This means, one pixel of the camera sensor is rendered directly to one (or even 4) pixel of the high resolution LCD of the camera. | ||
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===== Camera vs. USB-Microscope ===== | ===== Camera vs. USB-Microscope ===== | ||
- | The big advantage in this setup is, that it leaves enough space between the lens and the PCB for handling and working. Also the speed (time lag) is not really noticable. | + | The big advantage in this setup is, that it leaves enough space between the lens and the PCB for handling and working. Also the speed (no time lag) is perfect. |
It's easy to grab the PCB and bring the parts of interrest into focus. With an external trigger cable, taking pictures is very easy too. | It's easy to grab the PCB and bring the parts of interrest into focus. With an external trigger cable, taking pictures is very easy too. | ||