Archived posting to the Leica Users Group, 2005/08/19

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Subject: [Leica] Memory card write speeds
From: tedgrant at shaw.ca (Ted Grant)
Date: Fri Aug 19 04:28:06 2005
References: <200508182204.j7IM2R2C061732@server1.waverley.reid.org> <430513F1.9020800@verizon.net>

But Stan will this speed thing make your life any longer? ;-) And certainly 
any simpler?

ted
----- Original Message ----- 
From: "Stan Yoder" <vze2myh5@verizon.net>
To: <lug@leica-users.org>
Sent: Thursday, August 18, 2005 4:04 PM
Subject: [Leica] Memory card write speeds


> Earlier this week, there was a discussion of card vs. digicam write 
> speeds, asking whether it was worth investing in a card that can write 
> faster than the camera does.
>
> I conducted an empirical test with my Digilux-2. I ascertained from 
> Panasonic that its max write speed is 2.3mb/sec.
>
> A 1gb SD card will hold c.91 RAW exposures in the D-2. That's about 
> 10.75mb per exposure.
>
> Doing the math, it should take the camera c.4.67secs. to write a RAW 
> exposure to any card that has a write speed of 2.3mb/sec or greater.
>
> My actual results: 1) with a basic card it took about 11 secs for the 
> camera to clear for the next exposure; 2) with a Sandisk Ultra II card it 
> took 6.5secs. The Ultra II writes at 9mb/sec., per Sandisk's website.
>
> Obviously I'm missing some factors) here. What are they?
>
> And would one of the new-fangled 150x cards reduce the time further, in 
> this context?
>
> Puzzled,
> Stan Yoder
> Pittsburgh
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
> 



In reply to: Message from vze2myh5 at verizon.net (Stan Yoder) ([Leica] Memory card write speeds)