subject:"Card speed"

Re: Can someone explain to me SD card speed ratings?

2016-02-22 Thread Steve Cottrell

FWIW i buy these from Amazon for use on shooting news for the BBC at 35
M/bits:





They work just fine and never had an issue.

Typically I can fill a 16 GB card with about 30 mins of rushes at HD422.


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Re: Can someone explain to me SD card speed ratings?

2016-02-22 Thread David Parsons

The reason you should care is because even when shooting stills, the
camera still has to write data to the card.  If you've ever taken a
couple of pictures quickly and had to wait several seconds to be able
to review the pictures, that's the card holding you back.

And on the off chance that you ever decide to shoot a video, slower
cards will time out faster and the camera is absolutely useless until
the data is cleared out.

On Sun, Feb 21, 2016 at 8:26 PM, Stanley Halpin
 wrote:
> From the helpful link Cotty provided and discussion here and other reading, I 
> have concluded:
>
> a. Higher numbers are “better” for values of better ranging from 
> -50mbs to +50mbs, more or less.
> b. The main concern is with read or write speed when streaming video.
> c. I don’t know why I should care.
>
> Really, I don’t know why I should care. I have reluctantly assumed that all 
> this kerfluffel about video speed in fact relates in a somewhat linear 
> fashion to what I do care about which is how fast still images move from the 
> internal camera buffer to the SD card in the slot.  But I have also assumed 
> that the buffer-to-card process has a lot to do with the camera’s firmware 
> and maybe not so much to do with any limitations of the card. Is there 
> anything anyplace that tells us what the minimum necessary “speed rating” for 
> SD is for a given camera? Specifically, newer large-datafile cameras like the 
> K-5, K-5ii, K-3, K-3ii, K-1, 645D, 645Z shooting still images and not movies…
>
>
>> On Feb 21, 2016, at 7:45 PM, Mark C  wrote:
>>
>> I didn't know about the extreme plus. Here are the links to 32 gb Extreme, 
>> Pro and Plus cards on B It looks like the Plus is discontinued.
>>
>> Extreme Pro -
>>
>> http://www.bhphotovideo.com/c/product/824140-REG/SanDisk_SDSDXPA_032G_A75_Extreme_Pro_32_GB.html
>>
>> Extreme -
>>
>> http://www.bhphotovideo.com/c/product/1182602-REG/sandisk_sdsdxne_032g_gnci2_extreme_32gb_sdhc_u3.html
>>
>> Extreme Plus -
>>
>> http://www.bhphotovideo.com/c/product/992490-REG/sandisk_sdsdxs_032g_a46_32gb_sdhc_extreme_class.html
>>
>> I just noticed that the extreme and the extreme plus are water / shock / 
>> xray proof. So that's something. Maybe.
>>
>>
>>
>> On 2/21/2016 7:09 PM, Larry Colen wrote:
>>>
>>>
>>> Mark C wrote:
 My own two cents is that you really have to research the detailed specs
 on the card you want to buy, paying attention to the actual write speed.
 The ratings and classes are so broad that cards with seemingly identical
 ratings can have significantly different performance.

 I recently added a couple of 32 gig memory cards. I compared San Disk
 Extreme Pro and San Disk Extreme. Both are USH-1. Both are marked "HC-1
 U3 C10." The Pro is marked "95 MB/S" and the Extreme is marked as "90
 MB/S." It seemed like their specs were very close - but then looking at
 max write speed I saw that the Pro is rated for 90 MB/S while the
 Extreme is rated for only 40. The rate stamped on the cards themselves
 is the read speed.

 So - the Extreme Pro is actually 2x as fast for what matters (write
 speed). But the ratings looked to be practically identical.
>>>
>>> I am having a hard time telling the difference between the extreme plus and 
>>> the extreme pro.  Their naming system is complete bafflement, which is 
>>> probably their goal.
>>>
>>>
>>>
>>
>>
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Re: Can someone explain to me SD card speed ratings?

2016-02-22 Thread P.J. Alling

I've had the plastic cases crack, usually in such a was as to cause the 
write protect tab to be lost on several SanDisk cards.  The last one 
that happened to I tried to take advantage of their lifetime guarantee, 
but it looked as if it would entail more than $10.00 worth of effort, 
and since that was about it's cash value I found it easier to simply buy 
a replacement.


On 2/22/2016 2:08 PM, Ken Waller wrote:
FWIW, I recently purchased another SanDisk Extreme 32GB to augment an 
exsting card I purchased with my K3. Both are marked HC1. the older 
card is rated 45 MB/s, speed class 1 with the newer card marked 90 
MB/s, speed class 3.


Haven't done any objective tests but I haven't noticed a any 
significant difference in write speedhooting just stills.


BTW - I've used only SanDisk since my *istD and have never been let down.

Kenneth Waller
http://www.pentaxphotogallery.com/kennethwaller

- Original Message - From: "Mark C" <pdml-m...@charter.net>
Subject: Re: Can someone explain to me SD card speed ratings?


My own two cents is that you really have to research the detailed 
specs on the card you want to buy, paying attention to the actual 
write speed. The ratings and classes are so broad that cards with 
seemingly identical ratings can have significantly different 
performance.


I recently added a couple of 32 gig memory cards. I compared San Disk 
Extreme Pro and San Disk Extreme. Both are USH-1. Both are marked 
"HC-1 U3 C10." The Pro is marked "95 MB/S" and the Extreme is marked 
as "90 MB/S." It seemed like their specs were very close - but then 
looking at max write speed I saw that the Pro is rated for 90 MB/S 
while the Extreme is rated for only 40. The rate stamped on the cards 
themselves is the read speed.


So - the Extreme Pro is actually 2x as fast for what matters (write 
speed). But the ratings looked to be practically identical.


I looked very carefully at the cards after getting burned buying a 
couple 16 gig Sony cards, also rated  HC-1 U3 C10 and listed as 40 
MB/S. Reality is a fairly slow 10 MB/S write speed. Not good when 
shooting in HS burst mode on the K3.


Mark


On 2/19/2016 4:17 PM, Larry Colen wrote:
I can see that when I get a K-1 I'm going to need some more memory 
cards. I'll want two to keep in the camera, and (at least) a couple 
of spares so that I don't have to erase the cards until I'm done 
processing, certain of my backups etc.


I went to look at them online and they are variously rated with
Class 10, UHS-1, U1, U3.  80Mb/S max write speed, 10 Mb/S min write 
speed and so forth.


Is there a clear concise description of what to look for in an SD 
card for photographic applications?


Related question: specific recommendations for ones to look for, 
ones to avoid, and particularly good deals.






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Re: Can someone explain to me SD card speed ratings?

2016-02-22 Thread Ken Waller

FWIW, I recently purchased another SanDisk Extreme 32GB to augment an 
exsting card I purchased with my K3. Both are marked HC1. the older card is 
rated 45 MB/s, speed class 1 with the newer card marked 90 MB/s, speed class 
3.


Haven't done any objective tests but I haven't noticed a any significant 
difference in write speedhooting just stills.


BTW - I've used only SanDisk since my *istD and have never been let down.

Kenneth Waller
http://www.pentaxphotogallery.com/kennethwaller

- Original Message - 
From: "Mark C" <pdml-m...@charter.net>

Subject: Re: Can someone explain to me SD card speed ratings?


My own two cents is that you really have to research the detailed specs on 
the card you want to buy, paying attention to the actual write speed. The 
ratings and classes are so broad that cards with seemingly identical 
ratings can have significantly different performance.


I recently added a couple of 32 gig memory cards. I compared San Disk 
Extreme Pro and San Disk Extreme. Both are USH-1. Both are marked "HC-1 U3 
C10." The Pro is marked "95 MB/S" and the Extreme is marked as "90 MB/S." 
It seemed like their specs were very close - but then looking at max write 
speed I saw that the Pro is rated for 90 MB/S while the Extreme is rated 
for only 40. The rate stamped on the cards themselves is the read speed.


So - the Extreme Pro is actually 2x as fast for what matters (write 
speed). But the ratings looked to be practically identical.


I looked very carefully at the cards after getting burned buying a couple 
16 gig Sony cards, also rated  HC-1 U3 C10 and listed as 40 MB/S. Reality 
is a fairly slow 10 MB/S write speed. Not good when shooting in HS burst 
mode on the K3.


Mark


On 2/19/2016 4:17 PM, Larry Colen wrote:
I can see that when I get a K-1 I'm going to need some more memory cards. 
I'll want two to keep in the camera, and (at least) a couple of spares so 
that I don't have to erase the cards until I'm done processing, certain 
of my backups etc.


I went to look at them online and they are variously rated with
Class 10, UHS-1, U1, U3.  80Mb/S max write speed, 10 Mb/S min write speed 
and so forth.


Is there a clear concise description of what to look for in an SD card 
for photographic applications?


Related question: specific recommendations for ones to look for, ones to 
avoid, and particularly good deals.



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Re: Can someone explain to me SD card speed ratings?

2016-02-21 Thread steve harley


On 2016-02-21 20:20 , Mark C wrote:

So it is... I questioned this specification because I wonder if all cards
aren't waterproof, shock and xray proof.

I have occasionally left cards in my pocket and sent them through the
washing machine, never with a problem. I always have made sure they dried
out for a while before trying them - but sometime they go through the dryer
as well. What does shock proof mean? No damaged when dropped? I'd expect
that from any solid state device. Xray proof? What does that mean? My phone
is xray proof, so are my socks.I don't understand why that is even a listed
spec...


it is just catering to consumer fears, the way marketers have always done; i 
have washed a few *really cheap* cards and nothing was harmed; perhaps if i 
were to leave them in the ocean for a few years, "non-certified" cards would 
fail sooner than SanDisk's special models


the shockproof thing is funny because SD cards have such a high 
surface-area-to-weight ratio that they are like insects, they can fall a 
mile and not really get up to damaging speeds; there are other sources of 
shock, such as hammer blows and explosions, so i think it would be smarter 
for the marketers to use the hedge term ("shock resistant")


the X-ray thing is to tap into latent paranoia about airport scanners 
hurting film; according to the most interesting blurb i could quickly find 
"x-rays need a huge amount of energy to cause bulk damage on silicon" (and 
X-rays with huge energy are very rare in the terrestrial world






For me - write speed is pretty much everything.


thanks for your (preceding) explanation on how it affects your field macros


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Re: Can someone explain to me SD card speed ratings?

2016-02-21 Thread Mark C

So it is... I questioned this specification because I wonder if all 
cards aren't waterproof, shock and xray proof.


I have occasionally left cards in my pocket and sent them through the 
washing machine, never with a problem. I always have made sure they 
dried out for a while before trying them - but sometime they go through 
the dryer as well. What does shock proof mean? No damaged when dropped? 
I'd expect that from any solid state device. Xray proof? What does that 
mean? My phone is xray proof, so are my socks.I don't understand why 
that is even a listed spec...


For me - write speed is pretty much everything.


On 2/21/2016 9:31 PM, Larry Colen wrote:



Mark C wrote:


I just noticed that the extreme and the extreme plus are water / shock /
xray proof. So that's something. Maybe.


This says the Pro is also:
http://www.bhphotovideo.com/c/compare/SanDisk_64GB_Extreme_UHS-I_U3_SDXC_Memory_Card_Class_10_vs_SanDisk_64GB_Extreme_Pro_UHS-I_SDXC_U3_Memory_Card_Class_10/BHitems/1182598-REG_824149-REG 







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Re: Can someone explain to me SD card speed ratings?

2016-02-21 Thread Mark C

I care because I do stacked macros in the field, which involves taking
several images while shifting the focal point. I usually don't exceed
the buffer limit for one sequence, but a fast card helps in two ways.
First, I usually wait for the buffer write to the card before starting a
new sequence. With a slow card that can feel like an eternity,
especially if the subject is transient (bug likely to fly away) and I
want a second run at it. Second - in those cases where I do exceed the
buffer limit a fast card is still workable, while a slow card is not.
It's less of an issue with stationary subjects but still results in
spending a lot of time waiting for the red card access light to go off.

Slow cards are no problem in most situations were getting a lot of shots
in sequence is not a priority. I pulled my slowest cards out of my bag
and use them for studio stacked macros since that is a slow process
process and the slowest card can keep up. But if you are shooting a lot
of images in a fast pace, card speed matters.

Actually - write speed matters. AFAIK, the only drawback to read speed
is slower downloads to your PC, and that I can live with.

On 2/21/2016 8:26 PM, Stanley Halpin wrote:

From the helpful link Cotty provided and discussion here and other reading, I
have concluded:

a. Higher numbers are “better” for values of better ranging from -50mbs
to +50mbs, more or less.
b. The main concern is with read or write speed when streaming video.
c. I don’t know why I should care.

Really, I don’t know why I should care. I have reluctantly assumed that all
this kerfluffel about video speed in fact relates in a somewhat linear fashion
to what I do care about which is how fast still images move from the internal
camera buffer to the SD card in the slot. But I have also assumed that the
buffer-to-card process has a lot to do with the camera’s firmware and maybe not
so much to do with any limitations of the card. Is there anything anyplace that
tells us what the minimum necessary “speed rating” for SD is for a given
camera? Specifically, newer large-datafile cameras like the K-5, K-5ii, K-3,
K-3ii, K-1, 645D, 645Z shooting still images and not movies…

On Feb 21, 2016, at 7:45 PM, Mark C <pdml-m...@charter.net> wrote:

I didn't know about the extreme plus. Here are the links to 32 gb Extreme, Pro and
Plus cards on B It looks like the Plus is discontinued.

Extreme Pro -

http://www.bhphotovideo.com/c/product/824140-REG/SanDisk_SDSDXPA_032G_A75_Extreme_Pro_32_GB.html

Extreme -

http://www.bhphotovideo.com/c/product/1182602-REG/sandisk_sdsdxne_032g_gnci2_extreme_32gb_sdhc_u3.html

Extreme Plus -

http://www.bhphotovideo.com/c/product/992490-REG/sandisk_sdsdxs_032g_a46_32gb_sdhc_extreme_class.html

I just noticed that the extreme and the extreme plus are water / shock / xray
proof. So that's something. Maybe.

On 2/21/2016 7:09 PM, Larry Colen wrote:

Mark C wrote:

My own two cents is that you really have to research the detailed specs
on the card you want to buy, paying attention to the actual write speed.
The ratings and classes are so broad that cards with seemingly identical
ratings can have significantly different performance.

I recently added a couple of 32 gig memory cards. I compared San Disk
Extreme Pro and San Disk Extreme. Both are USH-1. Both are marked "HC-1
U3 C10." The Pro is marked "95 MB/S" and the Extreme is marked as "90
MB/S." It seemed like their specs were very close - but then looking at
max write speed I saw that the Pro is rated for 90 MB/S while the
Extreme is rated for only 40. The rate stamped on the cards themselves
is the read speed.

So - the Extreme Pro is actually 2x as fast for what matters (write
speed). But the ratings looked to be practically identical.

I am having a hard time telling the difference between the extreme plus and the
extreme pro. Their naming system is complete bafflement, which is probably
their goal.

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Re: Can someone explain to me SD card speed ratings?

2016-02-21 Thread Larry Colen




Mark C wrote:

I didn't know about the extreme plus. Here are the links to 32 gb
Extreme, Pro and Plus cards on B It looks like the Plus is discontinued.

Extreme Pro -

http://www.bhphotovideo.com/c/product/824140-REG/SanDisk_SDSDXPA_032G_A75_Extreme_Pro_32_GB.html


Extreme -

http://www.bhphotovideo.com/c/product/1182602-REG/sandisk_sdsdxne_032g_gnci2_extreme_32gb_sdhc_u3.html


Extreme Plus -

http://www.bhphotovideo.com/c/product/992490-REG/sandisk_sdsdxs_032g_a46_32gb_sdhc_extreme_class.html


I just noticed that the extreme and the extreme plus are water / shock /
xray proof. So that's something. Maybe.


This says the Pro is also:
http://www.bhphotovideo.com/c/compare/SanDisk_64GB_Extreme_UHS-I_U3_SDXC_Memory_Card_Class_10_vs_SanDisk_64GB_Extreme_Pro_UHS-I_SDXC_U3_Memory_Card_Class_10/BHitems/1182598-REG_824149-REG


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Re: Can someone explain to me SD card speed ratings?

2016-02-21 Thread Stanley Halpin

From the helpful link Cotty provided and discussion here and other reading, I 
have concluded:

a. Higher numbers are “better” for values of better ranging from -50mbs 
to +50mbs, more or less.
b. The main concern is with read or write speed when streaming video.
c. I don’t know why I should care.

Really, I don’t know why I should care. I have reluctantly assumed that all 
this kerfluffel about video speed in fact relates in a somewhat linear fashion 
to what I do care about which is how fast still images move from the internal 
camera buffer to the SD card in the slot.  But I have also assumed that the 
buffer-to-card process has a lot to do with the camera’s firmware and maybe not 
so much to do with any limitations of the card. Is there anything anyplace that 
tells us what the minimum necessary “speed rating” for SD is for a given 
camera? Specifically, newer large-datafile cameras like the K-5, K-5ii, K-3, 
K-3ii, K-1, 645D, 645Z shooting still images and not movies…


> On Feb 21, 2016, at 7:45 PM, Mark C  wrote:
> 
> I didn't know about the extreme plus. Here are the links to 32 gb Extreme, 
> Pro and Plus cards on B It looks like the Plus is discontinued.
> 
> Extreme Pro -
> 
> http://www.bhphotovideo.com/c/product/824140-REG/SanDisk_SDSDXPA_032G_A75_Extreme_Pro_32_GB.html
> 
> Extreme -
> 
> http://www.bhphotovideo.com/c/product/1182602-REG/sandisk_sdsdxne_032g_gnci2_extreme_32gb_sdhc_u3.html
> 
> Extreme Plus -
> 
> http://www.bhphotovideo.com/c/product/992490-REG/sandisk_sdsdxs_032g_a46_32gb_sdhc_extreme_class.html
> 
> I just noticed that the extreme and the extreme plus are water / shock / xray 
> proof. So that's something. Maybe.
> 
> 
> 
> On 2/21/2016 7:09 PM, Larry Colen wrote:
>> 
>> 
>> Mark C wrote:
>>> My own two cents is that you really have to research the detailed specs
>>> on the card you want to buy, paying attention to the actual write speed.
>>> The ratings and classes are so broad that cards with seemingly identical
>>> ratings can have significantly different performance.
>>> 
>>> I recently added a couple of 32 gig memory cards. I compared San Disk
>>> Extreme Pro and San Disk Extreme. Both are USH-1. Both are marked "HC-1
>>> U3 C10." The Pro is marked "95 MB/S" and the Extreme is marked as "90
>>> MB/S." It seemed like their specs were very close - but then looking at
>>> max write speed I saw that the Pro is rated for 90 MB/S while the
>>> Extreme is rated for only 40. The rate stamped on the cards themselves
>>> is the read speed.
>>> 
>>> So - the Extreme Pro is actually 2x as fast for what matters (write
>>> speed). But the ratings looked to be practically identical.
>> 
>> I am having a hard time telling the difference between the extreme plus and 
>> the extreme pro.  Their naming system is complete bafflement, which is 
>> probably their goal.
>> 
>> 
>> 
> 
> 
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Re: Can someone explain to me SD card speed ratings?

2016-02-21 Thread Mark C

I didn't know about the extreme plus. Here are the links to 32 gb
Extreme, Pro and Plus cards on B It looks like the Plus is discontinued.

Extreme Pro -

http://www.bhphotovideo.com/c/product/824140-REG/SanDisk_SDSDXPA_032G_A75_Extreme_Pro_32_GB.html

Extreme -

http://www.bhphotovideo.com/c/product/1182602-REG/sandisk_sdsdxne_032g_gnci2_extreme_32gb_sdhc_u3.html

Extreme Plus -

http://www.bhphotovideo.com/c/product/992490-REG/sandisk_sdsdxs_032g_a46_32gb_sdhc_extreme_class.html

I just noticed that the extreme and the extreme plus are water / shock /
xray proof. So that's something. Maybe.

On 2/21/2016 7:09 PM, Larry Colen wrote:

Mark C wrote:

So - the Extreme Pro is actually 2x as fast for what matters (write
speed). But the ratings looked to be practically identical.

I am having a hard time telling the difference between the extreme
plus and the extreme pro. Their naming system is complete bafflement,
which is probably their goal.

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Re: Can someone explain to me SD card speed ratings?

2016-02-21 Thread Larry Colen




Mark C wrote:

My own two cents is that you really have to research the detailed specs
on the card you want to buy, paying attention to the actual write speed.
The ratings and classes are so broad that cards with seemingly identical
ratings can have significantly different performance.

I recently added a couple of 32 gig memory cards. I compared San Disk
Extreme Pro and San Disk Extreme. Both are USH-1. Both are marked "HC-1
U3 C10." The Pro is marked "95 MB/S" and the Extreme is marked as "90
MB/S." It seemed like their specs were very close - but then looking at
max write speed I saw that the Pro is rated for 90 MB/S while the
Extreme is rated for only 40. The rate stamped on the cards themselves
is the read speed.

So - the Extreme Pro is actually 2x as fast for what matters (write
speed). But the ratings looked to be practically identical.


I am having a hard time telling the difference between the extreme plus 
and the extreme pro.  Their naming system is complete bafflement, which 
is probably their goal.




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Re: Can someone explain to me SD card speed ratings?

2016-02-20 Thread Mark C

My own two cents is that you really have to research the detailed specs 
on the card you want to buy, paying attention to the actual write speed. 
The ratings and classes are so broad that cards with seemingly identical 
ratings can have significantly different performance.


I recently added a couple of 32 gig memory cards. I compared San Disk 
Extreme Pro and San Disk Extreme. Both are USH-1. Both are marked "HC-1 
U3 C10." The Pro is marked "95 MB/S" and the Extreme is marked as "90 
MB/S." It seemed like their specs were very close - but then looking at 
max write speed I saw that the Pro is rated for 90 MB/S while the 
Extreme is rated for only 40. The rate stamped on the cards themselves 
is the read speed.


So - the Extreme Pro is actually 2x as fast for what matters (write 
speed). But the ratings looked to be practically identical.


I looked very carefully at the cards after getting burned buying a 
couple 16 gig Sony cards, also rated  HC-1 U3 C10 and listed as 40 MB/S. 
Reality is a fairly slow 10 MB/S write speed. Not good when shooting in 
HS burst mode on the K3.


Mark


On 2/19/2016 4:17 PM, Larry Colen wrote:
I can see that when I get a K-1 I'm going to need some more memory 
cards.  I'll want two to keep in the camera, and (at least) a couple 
of spares so that I don't have to erase the cards until I'm done 
processing, certain of my backups etc.


I went to look at them online and they are variously rated with
Class 10, UHS-1, U1, U3.  80Mb/S max write speed, 10 Mb/S min write 
speed and so forth.


Is there a clear concise description of what to look for in an SD card 
for photographic applications?


Related question: specific recommendations for ones to look for, ones 
to avoid, and particularly good deals.





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Re: Can someone explain to me SD card speed ratings?

2016-02-20 Thread Steve Cottrell

On 19/2/16, Larry Colen, discombobulated, unleashed:

>Is there a clear concise description of what to look for in an SD card 
>for photographic applications?

I found this site very useful Larry







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Can someone explain to me SD card speed ratings?

2016-02-19 Thread Larry Colen

I can see that when I get a K-1 I'm going to need some more memory 
cards.  I'll want two to keep in the camera, and (at least) a couple of 
spares so that I don't have to erase the cards until I'm done 
processing, certain of my backups etc.


I went to look at them online and they are variously rated with
Class 10, UHS-1, U1, U3.  80Mb/S max write speed, 10 Mb/S min write 
speed and so forth.


Is there a clear concise description of what to look for in an SD card 
for photographic applications?


Related question: specific recommendations for ones to look for, ones to 
avoid, and particularly good deals.


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Small points - SD card speed

2007-11-22 Thread Bob Sullivan

Went photographing a charity 5K run this morning.
Used the K10D and DA16-45/4.

The first 50-60 shots went on a 1 Gig 133X speed card.
I took the last few shots as the winner crossed the finish line.
Then I changed SD cards and proceeded to shoot more finishers.

The camera acted strange as I started taking bunches of photos.
The buffer was locked up writing the RAW photos to the card.
The battery began to show half full.
The camera wouldn't let me take more photos!

On further review, as I download the 2 Gig card to my computer,
I notice that it is a 60X model, not a 150X.
Wow was that a mistake!
I've got two other 2 Gig cards that are 150X, but didn't grab them.
The speed difference is noteworthy, and important.
With the 150X cards, I've never encountered the wait to write to the card.

Thought you might like to know.
Regards, Bob S.

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Re: Small points - SD card speed

2007-11-22 Thread Godfrey DiGiorgi

Yes, write speed matters when you're doing continuous sequences!

G

On Nov 22, 2007, at 10:01 AM, Bob Sullivan wrote:

 Went photographing a charity 5K run this morning.
 Used the K10D and DA16-45/4.

 The first 50-60 shots went on a 1 Gig 133X speed card.
 I took the last few shots as the winner crossed the finish line.
 Then I changed SD cards and proceeded to shoot more finishers.

 The camera acted strange as I started taking bunches of photos.
 The buffer was locked up writing the RAW photos to the card.
 The battery began to show half full.
 The camera wouldn't let me take more photos!

 On further review, as I download the 2 Gig card to my computer,
 I notice that it is a 60X model, not a 150X.
 Wow was that a mistake!
 I've got two other 2 Gig cards that are 150X, but didn't grab them.
 The speed difference is noteworthy, and important.
 With the 150X cards, I've never encountered the wait to write to  
 the card.

 Thought you might like to know.
 Regards, Bob S.


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