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What's r17 on LCD?

mitchman

Kennewick, US
133 posts

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mitchman Registered since 08th Jul 2009
Wed 29-Jul-09 01:20 AM

The camera's at the office, but I finally remembered to ask this question....

When ever I press the shutter button half way down, the number that normally shows the number of shots left on the card, changes to "r17". Anyone know what that means?

Oh wait......maybe I just figured it out. Is it "Remaining 17 photos"? I bet that's it. Right?

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Nikon D700 | 17-35mm f/2.8 | 50mm f/1.4 | 80-200mm f/2.8 (mainly a videographer but am dabbling into professional photography)

Visit my Nikonians gallery.

KQW

MU
429 posts

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#1. "RE: What's r17 on LCD?" | In response to Reply # 0

KQW Registered since 24th Jul 2008
Tue 28-Jul-09 11:25 PM

uh no..it's the buffer level...

mitchman

Kennewick, US
133 posts

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#2. "RE: What's r17 on LCD?" | In response to Reply # 1

mitchman Registered since 08th Jul 2009
Wed 29-Jul-09 12:27 AM

Buffer level? Meaning that there is space for 17 photos left in the buffer?

Thanks

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Nikon D700 | 17-35mm f/2.8 | 50mm f/1.4 | 80-200mm f/2.8 (mainly a videographer but am dabbling into professional photography)

Visit my Nikonians gallery.

KQW

MU
429 posts

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#3. "RE: What's r17 on LCD?" | In response to Reply # 2

KQW Registered since 24th Jul 2008
Wed 29-Jul-09 02:11 AM | edited Wed 29-Jul-09 02:16 AM by KQW

It reflects the number of shots remaining before the memory buffer fills. The camera will then pause until the buffer is cleared....

Say you set the camera to CH..You then hold down the shutter release button and start firing off pictures..The camera will fire off 17 shots before the camera will pause, clear the buffer and start over.

Also, just a question..what speed is your CF card?



knud

Copenhagen, DK
278 posts

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#4. "RE: What's r17 on LCD?" | In response to Reply # 3

knud Registered since 16th Nov 2004
Wed 29-Jul-09 07:47 AM

The camera will only pause until there is room for another shot, i.e. frame rate goes down depending on how fast your CF card is.

Best regards,
Knud

http://kiekan.mono.net

mitchman

Kennewick, US
133 posts

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#5. "RE: What's r17 on LCD?" | In response to Reply # 4

mitchman Registered since 08th Jul 2009
Wed 29-Jul-09 11:13 AM | edited Wed 29-Jul-09 11:13 AM by mitchman

Thanks! Our card is a Lexar 8GB UDMA 300x. Why?

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Nikon D700 | 17-35mm f/2.8 | 50mm f/1.4 | 80-200mm f/2.8 (mainly a videographer but am dabbling into professional photography)

Visit my Nikonians gallery.

knud

Copenhagen, DK
278 posts

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#6. "RE: What's r17 on LCD?" | In response to Reply # 5

knud Registered since 16th Nov 2004
Wed 29-Jul-09 12:23 PM

Because the D700 will pause until there is room for another frame in the buffer, if you are shooting JPEG the D700 can write about 16MB/sec. to a Lexar 8GB UDMA 300x (raw about 24MB/sec.).

If you shoot jpeg fine and large, this corresponds to about 3 fps. If you are shooting at 8fps the frame rate will go down to 3 fps when the buffer is full.

This link shows a table with data for different CF cards:

http://www.robgalbraith.com/bins/camera_multi_page.asp?cid=6007-9550

Rates goes from 2.7MB/s to 23.1MB/s (jpeg) and 3.7MB/s to 29.9MB/s (raw).

Best regards,
Knud

http://kiekan.mono.net

TiggerGTO

Apex, US
2258 posts

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#7. "RE: What's r17 on LCD?" | In response to Reply # 6

TiggerGTO Gold Member Nikonian since 22nd Feb 2006
Thu 30-Jul-09 09:13 AM

Just to add to what Knud is saying... the camera will be able to shoot more than 17 frames before it needs to slow down. It starts writing image files from the buffer as soon as you shoot. By the time you fill the buffer, some number of images will already have been saved on the card and removed from the buffer. If you are shooting basic jpgs and writing to a UDMA card, the camera will probably never need to slow down.

Danny
A Nikonian in North Carolina

G