The backup of a CF card is easy. Unfortunately, however, I use the device, however, as a rule, to photos from an SD card to save to your hard drive. This task of mastering the Nexto Di 2730 significantly slower! As the manufacturer indicates it already, around 15 MB per second are possible in this way. For a 16 GB card at fast copy more than 20 minutes are required. This is my opinion, but not further tragic, does not need to sit in front of the device, it does everything automatically. Somewhat annoying it would be only to wait on more than one map on the exchange, but any more than occurs in my Photo habits, as that I create a backup between shots and wait for the memory card would have to use them further.
Positive would all probably interpret for me only on the battery life. Whether a faster card reader would possibly draw more power I do not like though doubt, but alone, the display would be much shorter to, it can neither be dimmed nor off during copying. You simply need to think today's smartphones, there is finally the screen, the most draws on the battery. Possibly can be the manufacturer still a firmware update occur, it would be interesting all times, whether by not longer maturities would be possible.
Speaking of battery life, this is in spite of the always-on display when not half so bad copy! My data I copy a rule in fast mode, ie without leaving verify them. A completely filled with RAW files 16 GB card is required as we have said about 20 minutes. With a single charge I get an average of 8 such cards before the battery breaks down. This corresponds with me about 5,000 RAW images, which I have done so far in any vacation! Would I take pictures in JPEG format, I would at approximately 20,000 images ...
So far remained spared from, the Nexto Di can charge not only with the included power adapter, but also via mini USB. A corresponding charger should each have nowadays in the case (possibly via a micro to mini USB adapter).
Of course you do not always copy the entire map, but it is possible also to transmit only the new images only. Here, however, is important that the already backed up files to a map no longer changed (eg. As deleted), since the drive only recognizes the memory card and can complement an existing backup.
Not wrong, it would certainly, if the manufacturer would one additional option to compare the backup only the file name, so that all photos of a card will be copied and only existing files skipped (based filenames).
With regard to the processing of the device, I can not say much, except that some people it speaks worse than it is. I can not complain when it comes to processing and am satisfied anyway! The included case also protects against bumps and scratches.
Critical could only look at the display, it really is not to look at pictures on it. Time completely apart from the poor resolution and image reproduction, but wants to anyway certainly no view on such a small screen photos. ;-)
In summary, I can say that I am very satisfied with this device! Because of my two suggestions (display off & backup by file names) I admit without the photo memory to want to speak ill but only 4 star and a strong buy recommendation!