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<p>[QUOTE="goldmark, post: 1540298, member: 38168"]I'm using a cheap USB digital microscope, the image quality is better compared to the scanner I've used before. The resolution is 2MP and more than sufficient, most images taken have a smaller resolution, it's important to consider a few constraints though: lightning is very important best results are achieved using daylight, the higher the resolution the more noise is expected, manual adjustment of the optics can be tricky, the CMOS sensor is small and the lens creates a fish eye effect (focus is centered and the more you move away from it the more distorted the image can look like).</p><p><br /></p><p>Also something very general that many people often don't understand, a higher resolution of 5MP compared to 2MP doesn't automatically mean that the image will be sharper. Contrast is contrary to growth in resolution falling, only good optics and a good sensor element with little noise leads to a gain in sharpness with higher resolution.</p><p><br /></p><p>Some example images, I don't claim them to be good, they're speedily produced and show what they're intended to do:</p><p><br /></p><p><br /></p><p>[ATTACH]205421.vB[/ATTACH][ATTACH]205422.vB[/ATTACH][ATTACH]205424.vB[/ATTACH]</p><p>[ATTACH]205425.vB[/ATTACH][ATTACH]205426.vB[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="goldmark, post: 1540298, member: 38168"]I'm using a cheap USB digital microscope, the image quality is better compared to the scanner I've used before. The resolution is 2MP and more than sufficient, most images taken have a smaller resolution, it's important to consider a few constraints though: lightning is very important best results are achieved using daylight, the higher the resolution the more noise is expected, manual adjustment of the optics can be tricky, the CMOS sensor is small and the lens creates a fish eye effect (focus is centered and the more you move away from it the more distorted the image can look like). Also something very general that many people often don't understand, a higher resolution of 5MP compared to 2MP doesn't automatically mean that the image will be sharper. Contrast is contrary to growth in resolution falling, only good optics and a good sensor element with little noise leads to a gain in sharpness with higher resolution. Some example images, I don't claim them to be good, they're speedily produced and show what they're intended to do: [ATTACH]205421.vB[/ATTACH][ATTACH]205422.vB[/ATTACH][ATTACH]205424.vB[/ATTACH] [ATTACH]205425.vB[/ATTACH][ATTACH]205426.vB[/ATTACH][/QUOTE]
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