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Nikon Coolpix 8400

By: Shawn Barnett & Dave Etchells

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Page 10:Image Storage & Interface

Review First Posted: 09/16/2004, Updated: 12/13/2004

Image Storage and Interface

The Nikon Coolpix 8400 uses standard CompactFlash Type I or II memory cards, but no "starter" card is included with the camera. Given the size of the camera's images, purchasers should seriously consider getting at least a 256MB card. Captured images can be individually write-protected through the Playback menu, but write protected files are only immune to accidental deletion, not card reformatting. File formats include several levels of compressed JPEG files as well as an uncompressed TIFF mode (HI quality setting) and RAW (NEF) mode. (Both TIFF and RAW settings are only available at maximum resolution.) Available image sizes are 3,264 x 2448 (8MP), 3,264 x 2176 ( 3:2 ratio), 2,592 x 1,944 (5MP), 2,048 x 1,536 (3MP), 1,600 x 1,200 (2MP), 1,280 x 960 (SXGA or 1MP), 1,024 x 768 (XGA or PC), and 640 x 480 (VGA or TV). The table below details the Coolpix 8400's approximate file sizes and compression ratios in all its various image size/quality combinations, with file capacities shown for the 256 MB card size that I recommend as a minimum for this camera.

Image Capacity vs
Resolution/Quality
256 MB Memory Card
RAW HI Extra-Fine Fine
Normal
Basic
2448 x 3264
Images
(Avg size)

20
12.6 MB

10
24.4 MB
32
7.9 MB
64
4.0 MB
126
2.0 MB
245
1.0 MB
Approx.
Compression
2:1 - 3:1 6:1 12:1 23:1
2592 x 1944
Images
(Avg size)
    51
5.0 MB
100
2.5 MB
196
1.3 MB
374
684 KB
Approx.
Compression
    3:1 6:1 12:1 22:1
2048 x 1536
Images
(Avg size)
    81
3.1 MB
160
1.6 MB
314
814 KB
605
423 KB
Approx.
Compression
    3:1 6:1
12:1
22:1
1600 x 1200
Images
(Avg size)
    133
278 KB
253
180 KB
491
115 KB
874
115 KB
Approx.
Compression
    3:1 5:1
8:1
8:1
1280 x 960
Images
(Avg size)
    201
1.3 MB
393
651 KB
715
358 KB
1311
195 KB
Approx.
Compression
    3:1 5:1
8:1
8:1
1024 x 768 Images
(Avg size)
    314
814 KB
605
423 KB
983
260 KB
1573
163 KB
Approx.
Compression
    3:1 6:1
9:1
14:1
640 x 480
Images
(Avg size)
    711
360 KB
1304
196 KB
1956
131 KB
2608
98 KB
Approx.
Compression
    3:1 5:1
7:1
9:1
 

Like most modern high-end digicams, the Nikon 8400 supports the FAT 32 directory standard, and so can make full use of memory cards larger than 2 GB. (I did verify that it properly formatted and recognized a 4GB Lexar CF card.)

The Nikon 8400 uses a USB interface to connect to a host computer for image downloading. Like many higher-end cameras these days, it's a "storage class" device, which means that Mac users on OS 8.6 or greater, or Windows Me, 2000, or XP users can just plug the camera into their computers and have it appear as a removable hard drive. Data transfer is quite fast, as I clocked it at 1,678 KBytes/second on my Windows XP machine. This is quite a bit faster than any cameras using a USB v1.1 interface, and well within the middle range of USB 2.0-equipped models.

Recommended Software: Rescue your Photos!
Just as important as an extra memory card is a tool to rescue your images when one of your cards fails at some point in the future. I get a lot of email from readers who've lost photos due to a corrupted memory card. Memory card corruption can happen with any card type and any camera manufacturer, nobody's immune. A surprising number of "lost" images can be recovered with an inexpensive, easy to use piece of software though. Given the amount of email I've gotten on the topic, I now include this paragraph in all my digicam reviews. The program you need is called PhotoRescue, by DataRescue SA. Read our review of it if you'd like, but download the program now, so you'll have it. It doesn't cost a penny until you need it, and even then it's only $29, with a money back guarantee. So download PhotoRescue for Windows or PhotoRescue for Mac while you're thinking of it. (While you're at it, download the PDF manual and quickstart guide as well.) Stash the file in a safe place and it'll be there when you need it. Trust me, needing this is not a matter of if, but when... PhotoRescue is about the best and easiest tool for recovering digital photos I've seen. (Disclosure: IR gets a small commission from sales of the product, but I'd highly recommend the program even if we didn't.) OK, now back to our regularly scheduled review...

 

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