SanDisk Extreme III 4GB CompactFlash £15.99 @ Play - HotUKDeals
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Just picked up a few of these for my Canon 7D. They are very fast, extremely reliable and best of all cheap. Great for any DSLR that takes Compact Flash.

Specs
Designed to meet the critical speed and performance needs of serious professional photographers-lets you quickly capture, view, upload and transfer large image files Ideal for demanding photo shoots under severe weather conditions-heat, cold, wind, rain, snow, etc.
Built to perform in the most extreme environments and temperatures-from -13º F to 185º F , -25º C to 85º C
Min 20MB/second sequential read and write
Durable, reliable and thoroughly tested-temperature tested (heat and cold)
shock and vibration tested (industrial-grade RTV included for CompactFlash)
Data recovery software-ensures your photos will always be there (even if you delete them accidentally)
Dedicated, priority technical support hotline for direct customers of SanDisk Extreme products
Included travel case keeps your memory cards organized
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Orville Avatar
6y, 9m agoFound 6 years, 9 months ago
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#1
How many pictures can you get on your 7D at full size jpg with this card?
#2
esq3585
How many pictures can you get on your 7D at full size jpg with this card?
I get about 240 using full size RAW's. I prefer to keep multiple 4GB cards than a single 16GB because it reduces the chances of losing pictures. I have never had a CF card fail on me, but I did have my old 40D stolen. Fortunately most of my (holiday) pictures were on another card and my insurance paid for the lost camera. 7D RAW's ate about 17-18MB each.

I come from a film background where 40 pics was about as much as you could get. 240 is more than enough, especially when you can view and delete any non-keepers on camera.

Cold voters please share your knowledge. If there is a better deal available I am as interested as everyone else.
#3
7D?
593 Fullsize jpgs or 155 full size Raws in Program or M at 100iso here. (229 M-Raws, ~10M)

ps
Are they not the slower, older version of the Extremes III's??
Min 20MB/second sequential read and write

Newer version
http://snipurl.com/ul3pj
The SanDisk Extreme III Compact Flash card has been up-rated and now
offers 30mb/sec read and write speeds, this represents a 10MB/sec speed
increase on the original version of this already popular Extreme CF card.
#4
Orville
Cold voters please share your knowledge. If there is a better deal available I am as interested as everyone else.


+1
#5
I'll bet its the same old "its crap cos its not SD" gang voting this cold :roll:
#6
These will likely be the 30MB's version. The old 20MB's have not been made for years, and I have ordered some from Play in the past. Either way, both will be equally good unless you regularly shoot bursts at max fos (it takes 20+ bursts at 10fps on a 7D will fill the buffer and slow down)

Just checked and my 7D shows 234 shots available on a newly formatted card. On My 40D (which produces 11MB RAW's) shows 362 shots available on the same 4GB card. Real numbers will vary slightly dependent on what pictures you take and ISO settings.
#7
You can get the latest Sandisk 8gb ultra for only £3.95 more as posted here http://www.hotukdeals.com/item/599785/sandisk-8gb-ultra-compact-flash-car

An extra 4gb for less than £4 more is far too good to turn down
#8
kiwikeen
You can get the latest Sandisk 8gb ultra for only £3.95 more as posted here http://www.hotukdeals.com/item/599785/sandisk-8gb-ultra-compact-flash-car

An extra 4gb for less than £4 more is far too good to turn down


but the write speed only has min 9mb/s on the ultra whereas the extreme has a 20mb/s min if the old version or 30mb/s for the newer so it can be considered a false economy. This is a great price, better still if they are the new version.
#9
kiwikeen
You can get the latest Sandisk 8gb ultra for only £3.95 more as posted here http://www.hotukdeals.com/item/599785/sandisk-8gb-ultra-compact-flash-car

An extra 4gb for less than £4 more is far too good to turn down


It depends on what you're using your camera for. I think my 8MP Canon SLR takes about 160 shots in RAW mode on my 1GB card, so this 4GB card should store around 600 shots. If you're not going to take more than 600 shots in a session then you don't really need any more storage, so this card being twice as fast to read to and write from makes it much better. You're looking a 0.4s wait between shots after your buffer has filled instead of a 1s wait, and ditto, 0.4s to open a photo compared to 1. You don't buy SLR cameras for good value, you buy them for performance.
#10
Quick primer: Memory cards are measured by their size AND speed.

For compacts speed is less relevant, but it can be very important for DSLR shooters especially as video features become more common.

Extreme III was 'superseded' by Extreme IV which is now superseded by Extreme and Extreme Pro ... yes it all gets a lot confusing!
#11
Do you really need to shoot in RAW unless you intend to do lots of post production? (Its a question by the way not a statement).
#12
It depends on what you want the photo for.

If it's a snapshot JPG can be fine. Think of RAW like a negative/transparency from the 'old days' - it's the source material from which everything else is derived and of the purest quality.

The most optimal workflow is to shoot RAW, then edit as required (if at all) and convert to TIFF/JPG/other for printing, email, etc.
#13
fubarphill
but the write speed only has min 9mb/s on the ultra whereas the extreme has a 20mb/s min if the old version or 30mb/s for the newer so it can be considered a false economy. This is a great price, better still if they are the new version.


As stated in my post these are the latest Ultra cards, 30mb/s speeds, so just as fast the one posted here, possibly faster if they send you an older 20mb/s card

Double the capacity, possibly faster, and a genuine Sandisk retailer, same as Play, for less than £4 more

Don't risk buying these from a retailer not listed on the Sandisk website, as there are loads of fake cards out there, just check Ebay
#14
frakison
Do you really need to shoot in RAW unless you intend to do lots of post production? (Its a question by the way not a statement).


RAW images have not been processed at all by the camera, and therefore will always need some form of post processing before printing

JPEG's have been processed by the camera, but in doing so information has been removed from the image which can never be recovered, but they are in a ready to print state

I'd advise to always shoot RAW+JPEG

Even if you don't use the RAW images now, you will always have a backup of that image to go back to in future if you wish to get into doing your own processing

The only downside with shooting RAW+JPEG is the additional memory required to store it, but with memory being so cheap these days there really is no excuse not to

I'd also advise getting yourself a good CF card reader if shooting a lot, Sandisk's ImageMate All-In-One is reasonably priced and can save you hours of uploading time if you have a budget card reader

They can be up to 20X faster than cheapies,upload an 8GB card in under 10 minutes as opposed to over three hours with a super cheap one
#15
gstok
It depends on what you want the photo for.

If it's a snapshot JPG can be fine. Think of RAW like a negative/transparency from the 'old days' - it's the source material from which everything else is derived and of the purest quality.

The most optimal workflow is to shoot RAW, then edit as required (if at all) and convert to TIFF/JPG/other for printing, email, etc.


kiwikeen
RAW images have not been processed at all by the camera, and therefore will always need some form of post processing before printing

JPEG's have been processed by the camera, but in doing so information has been removed from the image which can never be recovered, but they are in a ready to print state

I'd advise to always shoot RAW+JPEG

Even if you don't use the RAW images now, you will always have a backup of that image to go back to in future if you wish to get into doing your own processing

The only downside with shooting RAW+JPEG is the additional memory required to store it, but with memory being so cheap these days there really is no excuse not to

I'd also advise getting yourself a good CF card reader if shooting a lot, Sandisk's ImageMate All-In-One is reasonably priced and can save you hours of uploading time if you have a budget card reader

They can be up to 20X faster than cheapies,upload an 8GB card in under 10 minutes as opposed to over three hours with a super cheap one


Thanks very much for that, I might try taking a few RAW pix and have a play around with Photoshop :thumbsup:
#16
How many hours of video recording on 7D u get from these cards?

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