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Comparison Canon CanoScan LiDE 400 vs Canon CanoScan LiDE 700F

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Canon CanoScan LiDE 400
Canon CanoScan LiDE 700F
Canon CanoScan LiDE 400Canon CanoScan LiDE 700F
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Main
Vertical scanning.
Product typeflatbedflatbed
FormatA4A4
Max. resolution4800x4800 dpi
4800x4800 dpi /9600x9600 dpi (wrap)/
Technical specs
Optical elementCISCIS
Max. scan area216x297 mm
Colour depth (int.)48 bit48 bit
Colour depth (ext.)48 bit48 bit
Shades of grey256
Mono scanning7.5 ppm
Colour scanning7.5 ppm
Slide moduleis absentbuilt-in
Data transfer
USB /Type C/
USB
General
Power sourceuSB powereduSB powered
Power consumption4.5 W2.5 W
Dimensions250x365x39 mm292x409x44 mm
Weight1.7 kg2.1 kg
Added to E-Catalogseptember 2018march 2010

Max. scan area

The maximum image size that the scanner can process at one time, both horizontally and vertically. You should pay attention to this parameter if you need the exact dimensions of the scanner's working area, down to a millimetre: although standard formats are used to designate these dimensions (see "Format"), in fact the dimensions may differ from them.

Shades of grey

The number of shades of grey that the scanner recognizes. You should pay attention to this parameter if you plan to actively work with complex black-and-white materials (for example, photographs) — the more shades, the higher the quality of the digitized image. To date, the average is considered to be 512 shades — this approximately corresponds to the capabilities of the human eye. Models with a lower indicator belong to the entry level, more advanced ones “understand” 1024 shades.

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.

Slide module

By default, the scanner is designed to work with reflective, i.e. opaque materials (such as paper). The slide module allows you to use the device for processing transparent materials, such as photographic film.

Power consumption

The maximum power consumed by the scanner during operation. The higher the power, the more energy the scanner consumes, but this only applies to the scanning process itself — in standby mode, power consumption is negligible. And even at the peak in most models, the power is so low that in fact this parameter has practically no effect on electricity bills and is more of an auxiliary value (for example, it is used to calculate the total power of devices connected to an uninterruptible power supply).
Canon CanoScan LiDE 400 often compared
Canon CanoScan LiDE 700F often compared