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uploading D600 raw images

dagoldst

Little Rock, US
3075 posts

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"RE: uploading D600 raw images"

dagoldst Gold Member Nikonian since 02nd Dec 2012
Sun 14-Apr-13 02:24 PM | edited Sun 14-Apr-13 02:43 PM by dagoldst

Jim,

So you are exporting 220 full size low compression jpegs taken with a D600? What is your upload speed to the Internet?

Here's why I ask.

Figuring file transfer times as (10.5 Mbytes *8 bits * 220 images) +15% packet overhead/uplink speed in Mbits/sec - this should yield the time in seconds to transfer the files under ideal conditions. Packet fragmentation could cause an issue where a lot more packets need to be sent, so the MTU size of your MAC, Internet link, etc, can also slow things down.

That's a pure file transfer view of what might be causing it to be slow. As to what your MAC is doing, you might need to ask somebody in the post processing forum for advice. I would point out, however, it you are short of disk space or memory or CPU, all that is going to effect the file transfer as well.

What I would suggest to isolate the issue is export files locally then use an application like FTP to transfer the files up to the server.

All that said, I ran a quick calculation and assuming you are on DSL with a 500k upload and are getting maximum packet size, (MTU), I come up with a file transfer time of about 17 hours and that is if you do no other Internet usage during the file transfer.

It could easily take longer if your upload speed is slower.



David

"Extraordinary claims require extraordinary proof " - Carl Sagan

A general, generic topic uploading D600 raw images [View all] , Jim Sack Silver Member , Sun 14-Apr-13 10:16 AM
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