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Comparison Canon CanoScan LiDE 400 vs Canon CanoScan LiDE 300

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Canon CanoScan LiDE 400
Canon CanoScan LiDE 300
Canon CanoScan LiDE 400Canon CanoScan LiDE 300
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Vertical scanning.
Vertical scanning.
Product typeflatbedflatbed
FormatA4A4
Max. resolution4800x4800 dpi2400x4800 dpi
Technical specs
Optical elementCISCIS
Max. scan area216x297 mm216x297 mm
Colour depth (int.)48 bit48 bit
Colour depth (ext.)48 bit48 bit
Shades of grey256256
Mono scanning7.5 ppm6 ppm
Colour scanning7.5 ppm6 ppm
Slide moduleis absentis absent
Data transfer
USB /Type C/
USB /Type C/
General
Power sourceuSB powereduSB powered
Power consumption4.5 W4.5 W
Dimensions250x365x39 mm250x367x42 mm
Weight1.7 kg1.7 kg
Added to E-Catalogseptember 2018september 2018

Max. resolution

The highest resolution of the digital image generated by the scanner during operation. Specified in dots per inch — dpi (dots per inch).

The higher the scan resolution, the higher the resolution of the resulting image will be (with the same size of the source material) and the more accurately small details will be transmitted on it. On the other hand, high resolution noticeably affects the price of the scanner, increases the processing time and the size of the resulting file — despite the fact that the real need for high detail is not always present, and in some cases it is even unnecessary (for example, when processing an image with small artifacts, not visible at low detail). Therefore, when choosing by this parameter, you should not chase high resolution values — you should proceed from the real need and the specifics of the intended use of the scanner.

The simplest modern scanners have a resolution of about 300x300 dpi — this is quite enough for text recognition with an average font size. And in high-end professional models, this figure can exceed 7000x7000 dpi.

Mono scanning

The black and white scanning speed provided by the device. Usually, the maximum processing speed for an A4 sheet is indicated, i.e. speed at the lowest resolution. In fact, the speed is usually lower and depends on both the resolution and the size of the original material. The higher the scanning speed, the more convenient it is to work with the scanner; pay special attention to this parameter if you plan to work with numerous black and white images.

Colour scanning

Colour scanning speed provided by the device. In fact, it depends on the selected resolution, colour depth and original dimensions; the characteristics most often indicate the speed for an A4 sheet at the minimum resolution and colour depth, i.e. maximum possible speed. If you only need to scan one or more sheets from time to time, high speed is not too critical, but for working with a large amount of materials, you should look for fast models.
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Canon CanoScan LiDE 300 often compared