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Subject: "D7100 & Fireworks & Write Speed" Previous topic | Next topic
billD80 Silver Member Nikonian since 22nd Jan 2007Sun 23-Jun-13 04:22 PM
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"D7100 & Fireworks & Write Speed"
Sun 23-Jun-13 05:33 PM by billD80

US
          

Now I really thought I'd set the Long Exposure NR to OFF. But the EXIF data says, "No sir!"

Anyway, the time it took to write to the card was pretty significant, and may be a great reason to buy the 95/sec. cards... They're not just about high frame rate shooting...


www.billkeane.zenfolio.com

Attachment #1, (jpg file)

  

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Replies to this topic
Subject Author Message Date ID
Reply message RE: D7100 & Fireworks & Write Speed
SheriB Silver Member
23rd Jun 2013
1
Reply message RE: D7100 & Fireworks & Write Speed
billD80 Silver Member
24th Jun 2013
4
Reply message RE: D7100 & Fireworks & Write Speed
agitater Gold Member
23rd Jun 2013
2
Reply message RE: D7100 & Fireworks & Write Speed
billD80 Silver Member
24th Jun 2013
3
Reply message Nope...
Jim Pearce Silver Member
28th Jun 2013
15
Reply message RE: D7100 & Fireworks & Write Speed
elec164 Silver Member
24th Jun 2013
5
Reply message RE: D7100 & Fireworks & Write Speed
billD80 Silver Member
24th Jun 2013
6
     Reply message RE: D7100 & Fireworks & Write Speed
pcwgr1 Silver Member
24th Jun 2013
7
          Reply message RE: D7100 & Fireworks & Write Speed
agitater Gold Member
24th Jun 2013
8
               Reply message RE: D7100 & Fireworks & Write Speed
pcwgr1 Silver Member
24th Jun 2013
9
                    Reply message RE: D7100 & Fireworks & Write Speed
briantilley Moderator
24th Jun 2013
10
                         Reply message RE: D7100 & Fireworks & Write Speed
pcwgr1 Silver Member
24th Jun 2013
11
                         Reply message RE: D7100 & Fireworks & Write Speed
briantilley Moderator
24th Jun 2013
13
                              Reply message Well, this is missleading...
Jim Pearce Silver Member
28th Jun 2013
17
                         Reply message RE: D7100 & Fireworks & Write Speed
billD80 Silver Member
24th Jun 2013
12
                              Reply message RE: D7100 & Fireworks & Write Speed
markel253 Silver Member
28th Jun 2013
14
                                   Reply message RE: D7100 & Fireworks & Write Speed
pcwgr1 Silver Member
28th Jun 2013
16

SheriB Silver Member Awarded for sharing her exceptional images and details of rural farm life. Nikonian since 11th Sep 2010Sun 23-Jun-13 06:13 PM
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#1. "RE: D7100 & Fireworks & Write Speed"
In response to Reply # 0


US
          

So..does everyone on the beach have their mobile devices out taking pics? I see the glow...

Sheri Becker

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billD80 Silver Member Nikonian since 22nd Jan 2007Mon 24-Jun-13 12:49 AM
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#4. "RE: D7100 & Fireworks & Write Speed"
In response to Reply # 1


US
          

>So..does everyone on the beach have their mobile devices out
>taking pics? I see the glow...
>

Indeed there were some mobile devices, and lots of glow sticks... and the beach sand picked up the reflection from the ordnance explosions.

www.billkeane.zenfolio.com

  

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agitater Gold Member Nikonian since 18th Jan 2007Sun 23-Jun-13 11:51 PM
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#2. "RE: D7100 & Fireworks & Write Speed"
In response to Reply # 0


Toronto, CA
          

>Anyway, the time it took to write to the card was pretty
>significant, and may be a great reason to buy the 95/sec.
>cards... They're not just about high frame rate shooting...

Sorry to be picky, but there are no 95MB/sec write speeds (at least not yet). For example, SanDisk boasts that its Extreme Pro line consists of 95MB/sec cards, but that's the read speed SanDisk is quoting. The write speed of the Extreme Pro cards is 45MB/sec. Same goes for Lexar and all the other top shelf card makers - they all advertise their fastest read speeds.

My Nikonians Gallery

Howard Carson, Managing Editor
Kickstartnews Inc. - http://www.kickstartnews.com

  

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billD80 Silver Member Nikonian since 22nd Jan 2007Mon 24-Jun-13 12:48 AM
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#3. "RE: D7100 & Fireworks & Write Speed"
In response to Reply # 2


US
          

>Sorry to be picky, but there are no 95MB/sec write speeds (at
>least not yet).

No worries... But 24mp, long exposure files do take a long time to write...

www.billkeane.zenfolio.com

  

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Jim Pearce Silver Member Nikonian since 02nd Mar 2004Fri 28-Jun-13 02:47 PM
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#15. "Nope..."
In response to Reply # 2


Grimsby, CA
          

90 MB/s write speed. My D7100 actually processes about 60 MB/s in 12 bit lossless NEF with this card, which is amazing.

Jim

  

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elec164 Silver Member Nikonian since 15th Jan 2009Mon 24-Jun-13 01:33 AM
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#5. "RE: D7100 & Fireworks & Write Speed"
In response to Reply # 0


US
          

>Now I really thought I'd set the Long Exposure NR to OFF.
>But the EXIF data says, "No sir!"
>
>Anyway, the time it took to write to the card was pretty
>significant, and may be a great reason to buy the 95/sec.
>cards...

The time it took most likely didn't have much to do with the write speed of the card.

You said Long Exposure NR was on which means long exposures will have a dark frame of equal time taken for the fixed pattern noise subtraction. The EXIF on the image you posted states about a 24 second exposure. Which means the total time before you can take another shot would be slightly more than 48 seconds.

Pete

Pete

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billD80 Silver Member Nikonian since 22nd Jan 2007Mon 24-Jun-13 02:34 AM
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#6. "RE: D7100 & Fireworks & Write Speed"
In response to Reply # 5


US
          

>You said Long Exposure NR was on which means long exposures
>will have a dark frame of equal time taken for the fixed
>pattern noise subtraction. The EXIF on the image you posted
>states about a 24 second exposure. Which means the total time
>before you can take another shot would be slightly more than
>48 seconds.

And it felt like 48 seconds. Which I'm fine with, as the results are better than what I got with my D7000 and D200. I guess I just forgot how long the processing would take.

I need to check because I'm still pretty sure I'd turn the Long Exposure NR OFF. I wonder if past a certain time, it goes on anyway...

www.billkeane.zenfolio.com

  

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pcwgr1 Silver Member Nikonian since 11th Nov 2011Mon 24-Jun-13 04:56 AM
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#7. "RE: D7100 & Fireworks & Write Speed"
In response to Reply # 6


GR
          

I'm afraid you are mistaken The Sandisk Extreme Pro write speed is not 45mb/s but rather 90mb/s. You are probably confusing the Sandisk Extreme which is 45mb/s. On my USB 3.0 card reader I get 87mb/s write and on a regular USB 2.0 card reader 65mb/s. My D7100 clears the buffer VERY FAST!

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agitater Gold Member Nikonian since 18th Jan 2007Mon 24-Jun-13 11:22 AM
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#8. "RE: D7100 & Fireworks & Write Speed"
In response to Reply # 7


Toronto, CA
          

>I'm afraid you are mistaken The Sandisk Extreme Pro write
>speed is not 45mb/s but rather 90mb/s. You are probably
>confusing the Sandisk Extreme which is 45mb/s. On my USB 3.0
>card reader I get 87mb/s write and on a regular USB 2.0 card
>reader 65mb/s. My D7100 clears the buffer VERY FAST!

I'm not talking about card reader-based data transfer speeds, but rather actual in-camera write speed which is considerably slower than the maximum speeds advertised for the cards when they're used under ideal conditions. Rob Galbraith's card tests, in-camera, are definitive. The link is for the D800/800e CF and SD tests. No published D7100 test results yet from Galbraith, but my own D7100 in-camera write test timings seem to be about 55MB/sec.

My Nikonians Gallery

Howard Carson, Managing Editor
Kickstartnews Inc. - http://www.kickstartnews.com

  

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pcwgr1 Silver Member Nikonian since 11th Nov 2011Mon 24-Jun-13 11:31 AM
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#9. "RE: D7100 & Fireworks & Write Speed"
In response to Reply # 8


GR
          

The write speed of the D7100 or any camera for that matter has nothing to do with the actual
card's write speed capability. The card could be faster but the camera's controller may not be able to use that speed.

Visit my Nikonians gallery.

  

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briantilley Moderator Deep knowledge of bodies and lens; high level photography skills Nikonian since 26th Jan 2003Mon 24-Jun-13 11:33 AM
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#10. "RE: D7100 & Fireworks & Write Speed"
In response to Reply # 9


Paignton, GB
          

In the context of the original post, it's the speed at which the camera can write to the card that is important.

Brian
Welsh Nikonian

  

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pcwgr1 Silver Member Nikonian since 11th Nov 2011Mon 24-Jun-13 11:46 AM
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#11. "RE: D7100 & Fireworks & Write Speed"
In response to Reply # 10


GR
          

I completely agree with you Brian. BUT the Sandisk Extreme Pro is not a 45mb/s write speed card! I am not affiliated in any way with Sandisk. Just wanted to correct the info so that other buyers make the right purchasing decision!

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briantilley Moderator Deep knowledge of bodies and lens; high level photography skills Nikonian since 26th Jan 2003Mon 24-Jun-13 04:06 PM
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#13. "RE: D7100 & Fireworks & Write Speed"
In response to Reply # 11


Paignton, GB
          

>Just wanted to correct the info...

Well if we want to be absolutely correct, it's worth mentioning that there have been (at least) two versions of the Sandisk Extreme Pro SDHC cards. The earlier version was rated at 45MB/sec and the newer version is rated at 95MB/sec. This is confirmed in Rob Galbraith's table that Howard linked to above.

The table also confirms that you don't get anything like that speed in-camera. Rob's tests of Sandisk Extreme Pro SDHC cards (with a D800) indicate write speeds of about 30MB/sec for the earlier version, but this rises to only about 42MB/sec for the newer, faster version. That's still a bit faster than the competing cards from Lexar and Delkin, though

Brian
Welsh Nikonian

  

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Jim Pearce Silver Member Nikonian since 02nd Mar 2004Fri 28-Jun-13 09:18 PM
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#17. "Well, this is missleading..."
In response to Reply # 13
Fri 28-Jun-13 09:19 PM by Jim Pearce

Grimsby, CA
          

Data transfer requires multiple read/write operations. And the Extreme Pro cards are much quicker in the D7100 than in the D800 - with a throughput close to 60 MB/s. If you don't trust my testing, then: http://sportsphotoguy.com/d7100-raw-burst-test/#more-1583 .

Jim

  

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billD80 Silver Member Nikonian since 22nd Jan 2007Mon 24-Jun-13 03:21 PM
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#12. "RE: D7100 & Fireworks & Write Speed"
In response to Reply # 10


US
          

>In the context of the original post, it's the speed at which
>the camera can write to the card that is important.

That was my sense, and, not thinking, before the fireworks, to gain capacity, I took out an extremely fast 8GB card and replaced with a 16GB that writes at half the speed...

It never dawned on me to stay with the 95mbs for the shoot.

www.billkeane.zenfolio.com

  

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markel253 Silver Member Nikonian since 03rd Apr 2013Fri 28-Jun-13 12:42 AM
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#14. "RE: D7100 & Fireworks & Write Speed"
In response to Reply # 12


New York, US
          

Here are some of my fireworks shots


















If you would like to see all the specs on these (and other) fireworks shots ... see ...

http://imagegatherer.wordpress.com/2013/03/01/more-fireworks/

------------------
Mark
50 years of amateur photography
Currently using Nikon D7100
My walk around lens is a Sigma 18-250mm f3.5-6.3 DC MACRO OS HSM
Nikon 40mm f/2.8G AF-S DX Micro Nikkor
Tokina AT-X116PRDXN AT-X PRO DX 11-16mm f/2.8
Nikkor 18-55 f/3.5-5.6 AF-S DX VR
Sigma 70-300 F4-5.6 APO DG Macro
Nikon 55-200mm f/4-5.6G ED IF AF-S DX VR Nikkor Zoom Lens
Spiratone 500mm mirror
Vivitar DF-383 DEDICATED ETTL LCD Flash
Still - and always - learning photography

http://imagegatherer.wordpress.com/
http://mlf365.blogspot.com/

Visit my Nikonians gallery.

  

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pcwgr1 Silver Member Nikonian since 11th Nov 2011Fri 28-Jun-13 05:43 PM
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#16. "RE: D7100 & Fireworks & Write Speed"
In response to Reply # 14


GR
          

Great Photo's WELL DONE!!

Visit my Nikonians gallery.

  

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