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  #1  
Old 04-13-2007, 04:58 AM
jj@unspameljefe.net
 
Posts: n/a
Default Extreme III vs. Extreme IV CF cards

Anybody done a comparison between Extreme III CF cards and the new
Extreme IV cards in a Canon 5D?

JJ
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  #2  
Old 04-13-2007, 05:04 AM
nospam
 
Posts: n/a
Default Re: Extreme III vs. Extreme IV CF cards

In article <plvt139icvr579cqp8jnqt3m5qu8u73r93@4ax.com>,
<jj@unspameljefe.net> wrote:

> Anybody done a comparison between Extreme III CF cards and the new
> Extreme IV cards in a Canon 5D?


<http://www.robgalbraith.com/bins/multi_page.asp?cid=6007-8198>
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  #3  
Old 04-13-2007, 07:27 AM
Alfred Molon
 
Posts: n/a
Default Re: Extreme III vs. Extreme IV CF cards

In article <120420072104158122%nospam@nospam.invalid>,
nospam@nospam.invalid says...

> > Anybody done a comparison between Extreme III CF cards and the new
> > Extreme IV cards in a Canon 5D?

>
> <http://www.robgalbraith.com/bins/multi_page.asp?cid=6007-8198>


Look like the 5D is the limiting factor - not fast enough to benefit
from the faster cards. And 6.5MB/s is actually quite slow, given that
there are DSLRs which have write speeds of 10MB/s.
--

Alfred Molon
------------------------------
Olympus 50X0, 7070, 8080, E300, E330, E400 and E500 forum at
http://tech.groups.yahoo.com/group/MyOlympus/
http://myolympus.org/ photo sharing site
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  #4  
Old 04-13-2007, 01:12 PM
nospam
 
Posts: n/a
Default Re: Extreme III vs. Extreme IV CF cards

In article <MPG.208941267c0457b598b3f9@news.supernews.com>, Alfred
Molon <alfred_molonCANCEL@yahoo.com> wrote:

> In article <120420072104158122%nospam@nospam.invalid>,
> nospam@nospam.invalid says...
>
> > > Anybody done a comparison between Extreme III CF cards and the new
> > > Extreme IV cards in a Canon 5D?

> >
> > <http://www.robgalbraith.com/bins/multi_page.asp?cid=6007-8198>

>
> Look like the 5D is the limiting factor - not fast enough to benefit
> from the faster cards. And 6.5MB/s is actually quite slow, given that
> there are DSLRs which have write speeds of 10MB/s.


don't forget the transfer times to a computer - the sandisk iv is
significantly faster than anything else.

<http://www.robgalbraith.com/bins/no_nav.asp?cid=6007-8471>
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  #5  
Old 04-13-2007, 01:53 PM
Skip
 
Posts: n/a
Default Re: Extreme III vs. Extreme IV CF cards

"Alfred Molon" <alfred_molonCANCEL@yahoo.com> wrote in message
news:MPG.208941267c0457b598b3f9@news.supernews.com ...
> In article <120420072104158122%nospam@nospam.invalid>,
> nospam@nospam.invalid says...
>
>> > Anybody done a comparison between Extreme III CF cards and the new
>> > Extreme IV cards in a Canon 5D?

>>
>> <http://www.robgalbraith.com/bins/multi_page.asp?cid=6007-8198>

>
> Look like the 5D is the limiting factor - not fast enough to benefit
> from the faster cards. And 6.5MB/s is actually quite slow, given that
> there are DSLRs which have write speeds of 10MB/s.
> --
>


Actually, Alf, it isn't just the 5D. Canons in general aren't set up to
take advantage of high speed cards. The Nikons, for example, pull about 2
mb/sec more out of the same cards.

--
Skip Middleton
www.shadowcatcherimagery.com
www.pbase.com/skipm


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  #6  
Old 04-13-2007, 02:28 PM
tomm42
 
Posts: n/a
Default Re: Extreme III vs. Extreme IV CF cards

On Apr 13, 8:12 am, nospam <nos...@nospam.invalid> wrote:
> In article <MPG.208941267c0457b598b...@news.supernews.com>, Alfred
>
> Molon <alfred_molonCAN...@yahoo.com> wrote:
> > In article <120420072104158122%nos...@nospam.invalid>,
> > nos...@nospam.invalid says...

>
> > > > Anybody done a comparison between Extreme III CF cards and the new
> > > > Extreme IV cards in a Canon 5D?

>
> > > <http://www.robgalbraith.com/bins/multi_page.asp?cid=6007-8198>

>
> > Look like the 5D is the limiting factor - not fast enough to benefit
> > from the faster cards. And 6.5MB/s is actually quite slow, given that
> > there are DSLRs which have write speeds of 10MB/s.

>
> don't forget the transfer times to a computer - the sandisk iv is
> significantly faster than anything else.
>
> <http://www.robgalbraith.com/bins/no_nav.asp?cid=6007-8471>


Not a huge difference here on a Lexar Pro card reader the Extreme IV
was 16.2 mmb/sec the Extreme III 16.1 mb/sec. This vs 11.5 for a
SanDisk "standard" 10.9 for a SanDisk Extreme (no #) and 16.3 for a
Ridata 150 (all 2gb cards).

Tom

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  #7  
Old 04-13-2007, 02:54 PM
nospam
 
Posts: n/a
Default Re: Extreme III vs. Extreme IV CF cards

In article <1176470901.855640.124110@q75g2000hsh.googlegroups .com>,
tomm42 <tmonego@wildblue.net> wrote:

> > don't forget the transfer times to a computer - the sandisk iv is
> > significantly faster than anything else.
> >
> > <http://www.robgalbraith.com/bins/no_nav.asp?cid=6007-8471>

>
> Not a huge difference here on a Lexar Pro card reader the Extreme IV
> was 16.2 mmb/sec the Extreme III 16.1 mb/sec. This vs 11.5 for a
> SanDisk "standard" 10.9 for a SanDisk Extreme (no #) and 16.3 for a
> Ridata 150 (all 2gb cards).


on a firewire 800 reader, it reaches 38 mb/sec (lower right corner of
the chart). that's quite a bit faster.
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  #8  
Old 04-13-2007, 08:45 PM
tomm42
 
Posts: n/a
Default Re: Extreme III vs. Extreme IV CF cards

On Apr 13, 9:54 am, nospam <nos...@nospam.invalid> wrote:
> In article <1176470901.855640.124...@q75g2000hsh.googlegroups .com>,
>
> tomm42 <tmon...@wildblue.net> wrote:
> > > don't forget the transfer times to a computer - the sandisk iv is
> > > significantly faster than anything else.

>
> > > <http://www.robgalbraith.com/bins/no_nav.asp?cid=6007-8471>

>
> > Not a huge difference here on a Lexar Pro card reader the Extreme IV
> > was 16.2 mmb/sec the Extreme III 16.1 mb/sec. This vs 11.5 for a
> > SanDisk "standard" 10.9 for a SanDisk Extreme (no #) and 16.3 for a
> > Ridata 150 (all 2gb cards).

>
> on a firewire 800 reader, it reaches 38 mb/sec (lower right corner of
> the chart). that's quite a bit faster.


Yeah an little over twice the speed, with a Lacie reader a 2gb Extreme
III takes about 2min to empty, would 1 min be better, sure but I won't
loose sleep over it. Just pulled a mid-high range reader off the list.

Tom

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  #9  
Old 04-13-2007, 09:02 PM
Alfred Molon
 
Posts: n/a
Default Re: Extreme III vs. Extreme IV CF cards

In article <m3LTh.157481$115.17729@newsfe10.phx>, shadowcatcher@cox.net
says...

> Actually, Alf, it isn't just the 5D. Canons in general aren't set up to
> take advantage of high speed cards. The Nikons, for example, pull about 2
> mb/sec more out of the same cards.


Oly DSLRs write at 10MB/s with fast cards.
--

Alfred Molon
------------------------------
Olympus 50X0, 7070, 8080, E300, E330, E400 and E500 forum at
http://tech.groups.yahoo.com/group/MyOlympus/
http://myolympus.org/ photo sharing site
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  #10  
Old 04-14-2007, 08:21 AM
Skip
 
Posts: n/a
Default Re: Extreme III vs. Extreme IV CF cards

"Alfred Molon" <alfred_molonCANCEL@yahoo.com> wrote in message
news:MPG.208a004c5f9d5c3c98b3fc@news.supernews.com ...
> In article <m3LTh.157481$115.17729@newsfe10.phx>, shadowcatcher@cox.net
> says...
>
>> Actually, Alf, it isn't just the 5D. Canons in general aren't set up to
>> take advantage of high speed cards. The Nikons, for example, pull about
>> 2
>> mb/sec more out of the same cards.

>
> Oly DSLRs write at 10MB/s with fast cards.


Thank you Alf. That doesn't change what I said, now, does it?
You're becoming more of an Oly fanboy than any Canon aficionado you've ever
castigated.

--
Skip Middleton
www.shadowcatcherimagery.com
www.pbase.com/skipm


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