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Sony DSC-S75 (none) Select a topic Reference: Datasheet DSC-S75 Sample Images --------------------------------- 1. Intro and Highlights 2. Executive Overview 3. Design 4. Viewfinder 5. Optics 6. Exposure & Flash 7. Shutter Lag & Cycle Time Tests 8. Operation & User Interface 9. Camera Modes & Menus 10. Image Storage & Interface 11. Video, Power, Software, & Hardware 12. Test Results & Conclusion --------------------------------- Print-Friendly Review Version Additional Resources and Other Links Reader Comments on DSC-S75 Review --------------------------------- Digital Camera Comparometer (TM) --------------------------------- <-- Digital Cameras (Home) <-- Digital Camera Reviews Index <<Camera Modes & Menus :(Previous) | (Next): Video, Power, Software, & Hardware>> Page 10:Image Storage & Interface Review First Posted: 02/9/2001

Image Storage and Interface

The DSC-S75 uses the proprietary Sony Memory Stick technology for image storage. An 8MB Memory Stick is supplied with the camera and additional media are available up to 64MB. Individual images can be write-protected from accidental erasure (except through card reformatting) via the Protect option under the Playback settings menu. Individual write-protection also prevents the image from being changed in any way, such as rotating or resizing. The entire Memory Stick can be write-protected by sliding the lock switch on the stick into the locked position, which also guards against the entire stick being formatted.

The S75's LCD monitor reports the current number of images captured, how many additional images can be stored (based on current image resolution and quality settings), and displays a small graphic to let you know approximately how much space is left on the Memory Stick. (In Movie mode, the camera reports the available recording time.) Through the Playback settings menu, you can designate whether the camera numbers each image sequentially (from one Memory Stick to the next), or restarts file numbering with each new Memory Stick. The Playback menu also offers a Resize option, as well as Copy and Rotate tools. The camera's Digital Print Option Format (DPOF) compatibility allows you to mark specific images for printing. Through the Setup menu, you can decide whether or not to print the date and/or time on the image as well.

Image Size options include 2,048 x 1,536, 2,048 x 1,536 (3:2 ratio), 1,600 x 1,200, 1,280 x 960, 640 x 480, and 320 x 240 pixels (E-Mail recording option). Movie file sizes are 320 (HQ), 320 x 240, and 160 x 112 pixels for MPEG Movies, or 160 x 120 and 80 x 72 pixels for Clip Motion files. In addition to the uncompressed TIFF file format, the S75 offers both Fine and Standard JPEG compression levels, and a GIF option for Text and Clip Motion recording modes.

The table below shows the approximate still image capacities and compression ratios for an 8MB Memory Stick (main resolution sizes):

Resolution/Quality vs Image Capacity		Uncompressed TIFF	Fine Quality	Standard Quality
2,048 x 1,536	Images	0	5	9
	Approx. Compression	N/A	6:1	11:1
1600 x 1200	Images	N/A	8	15
	Approx. Compression	N/A	6:1	11:1
1280 x 960	Images	N/A	12	23
	Approx. Compression	N/A	6:1	11:1
640 x 480	Images	N/A	48	121
	Approx. Compression	N/A	6:1	14:1

The DSC-S75 is also accompanied by a USB cable for quick connection to a PC or Macintosh computer, as well as a software CD containing interface software and USB drivers. We clocked the S75 at 25.0 seconds for a 9,219KB file transfer, a rate of 369 KBytes/second. This is a bit faster than average for USB-connected cameras we've tested.