Rating: 
Summary: Great CF Card For Mid-High End Cameras
Review: I've been using my 512 meg 40X Lexar card in my Canon Digital Rebel for some time now. I have found the speed of this card is much faster in both saving and downloading images compared to a standard SanDisk card. Speed is comparable to the SanDisk UltraII card which is very similar to the Lexar 40X. The included USB cable is only for Lexar cards, but it's a really nice, compact unit. Be careful to download the Image Rescue software from the card before you erase the card (the software is on the flash card).
When taking burst mode shots (2.5 fps) the save time is easily twice as fast as a standard card. As with anything, what you are taking a picture of and the settings on the camera will affect how much data is being written, and thus how fast it is perceived by the user.
Not all cameras can take full advantage of the speed, so check with Lexar or your camera maker to make sure the camera itself can write data this fast. Even if your camera can't take full advantage of the speed, it is really nice to be able to copy images to your computer so much faster than regular flash using the jump cable.
Rating:
Summary: Perfect for use with Canon EOS 6.3MP Digital Rebel Camera
Review: If your camera is fast and supports high detail, you need at least the 512mb card as fast as the Lexar. I have been using this compact flash card with the Canon EOS 6.3MP Digital Rebel Camera and have had nothing but good results. Also use with the HP 7350 Photo card reader, and again, good results.Seems like a no-brainer.
Rating:
Summary: Great product, and more than just a CF card...
Review: This is a high-quality product aimed at the photography professional or serious amateur. It's got the high capacity and the speed to work with high-end digital cameras, featuring 40x access (rated just like a CD-ROM, each 1x is 150K/second throughput) and WA (Write Acceleration) technology. The card's capacity from my Canon 10D is about 200 images, taken at Large-Fine settings (3072 x 2048). That's more than ample for most users; Lexar makes a 1GB version too if that's not enough. The 10D can burst up to 9 images to its internal memory before it has to write them to the CF. When I take 9 in a row (approx. 3 seconds), my camera is busy for another couple of seconds before I can burst another 9. 9 images in 5 seconds is a pretty good rate; I'd challenge a film camera to do better. What really makes the card top notch is what comes with it. Included in the pack is a USB reader (compatible with any USB-enabled CF card) and Lexar's ImageRestore software (this version is only compatible with Lexar media, they sell a $40 retail version that is compatible with non-Lexar cards). Make sure you copy the setup program from the CF card to your computer when you first get it. The ImageRestore program will examine the memory in the card for image formats (JPG and TIFF, I believe; I don't think it can work with raw formats) and put them on your computer's hard drive. This proved to be a day-saver when I accidentally deleted some images (*thought* I was just clearing the DPOF settings...). If you do happen to delete some images, stop taking pictures immediately! (Deletion doesn't remove the data, it just marks the space that it occupies in the card as available--if you keep taking pictures you could be overwriting the space that still has your image data.) Run the ImageRestore program and it will put all images that it finds in a directory that you can browse. It would be nice if it either didn't put the non-deleted images on your hard drive or restored images that you selected to the CF card, but I'm happy enough to get the pictures back that it's a minor nitpick at best. Lexar also has a live technical support option on their website that was extremely helpful. I was not able to get the ImageRestore program to find the card and got on the support chat. The problem was that the card and reader were installed using the Windows-provided USB Mass Storage Device drivers. Once the tech support person told me that this had to be changed to the Lexar-provided JumpShot device driver (open Device Manager, right-click on USB Mass Storage Device, Properties, Driver tab, Update Driver..., Next, Display a list of known drivers..., choose the JumpShot driver, then finish the wizard--you'll have to confirm that you really want to install an unsigned driver), it worked great. I've used this card in my camera, a PCMCIA adapter, the included USB adapter, and my HP Photosmart printer, and had no compatibility or other problems. All in all, this is a good choice for a high-speed, high-capacity CF card. When considered that it comes with a reader and the ImageRestore software, and in light of my excellent experience with their tech support, I will definitely recommend Lexar.
Rating:
Summary: Great product, and more than just a CF card...
Review: This is a high-quality product aimed at the photography professional or serious amateur. It's got the high capacity and the speed to work with high-end digital cameras, featuring 40x access (rated just like a CD-ROM, each 1x is 150K/second throughput) and WA (Write Acceleration) technology. The card's capacity from my Canon 10D is about 200 images, taken at Large-Fine settings (3072 x 2048). That's more than ample for most users; Lexar makes a 1GB version too if that's not enough. The 10D can burst up to 9 images to its internal memory before it has to write them to the CF. When I take 9 in a row (approx. 3 seconds), my camera is busy for another couple of seconds before I can burst another 9. 9 images in 5 seconds is a pretty good rate; I'd challenge a film camera to do better. What really makes the card top notch is what comes with it. Included in the pack is a USB reader (compatible with any USB-enabled CF card) and Lexar's ImageRestore software (this version is only compatible with Lexar media, they sell a $40 retail version that is compatible with non-Lexar cards). Make sure you copy the setup program from the CF card to your computer when you first get it. The ImageRestore program will examine the memory in the card for image formats (JPG and TIFF, I believe; I don't think it can work with raw formats) and put them on your computer's hard drive. This proved to be a day-saver when I accidentally deleted some images (*thought* I was just clearing the DPOF settings...). If you do happen to delete some images, stop taking pictures immediately! (Deletion doesn't remove the data, it just marks the space that it occupies in the card as available--if you keep taking pictures you could be overwriting the space that still has your image data.) Run the ImageRestore program and it will put all images that it finds in a directory that you can browse. It would be nice if it either didn't put the non-deleted images on your hard drive or restored images that you selected to the CF card, but I'm happy enough to get the pictures back that it's a minor nitpick at best. Lexar also has a live technical support option on their website that was extremely helpful. I was not able to get the ImageRestore program to find the card and got on the support chat. The problem was that the card and reader were installed using the Windows-provided USB Mass Storage Device drivers. Once the tech support person told me that this had to be changed to the Lexar-provided JumpShot device driver (open Device Manager, right-click on USB Mass Storage Device, Properties, Driver tab, Update Driver..., Next, Display a list of known drivers..., choose the JumpShot driver, then finish the wizard--you'll have to confirm that you really want to install an unsigned driver), it worked great. I've used this card in my camera, a PCMCIA adapter, the included USB adapter, and my HP Photosmart printer, and had no compatibility or other problems. All in all, this is a good choice for a high-speed, high-capacity CF card. When considered that it comes with a reader and the ImageRestore software, and in light of my excellent experience with their tech support, I will definitely recommend Lexar.
Rating: 
Summary: COMPACT FLASH PRO 40X 512MB
Review: Took over a month to get and arrived defective. Tried contacting Lexar "Live 24 hr Support" no one answered... there are other choices that will work with much less hassle, suggest you pick something else.
Rating:
Summary: Excellent card!
Review: We recently went on a trip to Turkey and Greece and took 2 of these cards for our week long trip to use in our Coolpix 5700. It was great. I used the quality setting such that I could get just over 200 pictures per card. Each night I'd scan through our pictures, delete the blurry ones and be ready for the next day. I'm quite pleased with this card - didn't have any troubles whatsoever. Since the trip we've deleted the photos and moved them to cds and are busy making new pictures.
Rating:
Summary: Excellent card!
Review: We recently went on a trip to Turkey and Greece and took 2 of these cards for our week long trip to use in our Coolpix 5700. It was great. I used the quality setting such that I could get just over 200 pictures per card. Each night I'd scan through our pictures, delete the blurry ones and be ready for the next day. I'm quite pleased with this card - didn't have any troubles whatsoever. Since the trip we've deleted the photos and moved them to cds and are busy making new pictures.
Rating:
Summary: Watch out if you have a Nikon D1H or D1X!
Review: Yeah, the card was great--until it crashed. Of 3 serial numbers, 2 are incompatible with Nikon's D1X and D1H. The only one that works ends in OE1B, and it affects the 512 and 256 40x, and the 1G 32x cards. Now I have to send out both my camera and my card to get updated, although I think my card's completely corrupt--my reader won't even acknowledge it. :(
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