Size & Battery Options

• The "S" series cameras differ in size by only a tiny fraction, with the S730 measuring 3.58-inches by 2.4-inches, and the S750 slightly smaller at 3.58-inches by 2.2-inches. The "W" series cameras share identical measurements, at 3.46-inches by 2.24-inches. In terms of weight, the W120 ranks as the lightest at 5.43-ounces, with the W110 next at 5.5-ounces. The S750 is next at an even 6-ounces, and the S730 weighs the most at a still slim 6.67-ounces. All except the S730 use a dedicated lithium-ion style battery -- it uses two AA batteries.
  
  

Image Options

• The "S" series cameras offer auto ISO capabilities, as well as setting options ranging from 100 to 1250. The "W" series cameras also offer auto ISO, and their settings options offer a little more low-light flexibility, with a range of 100 to 3200. Image stabilization is available on the "W" series cameras, but not on the "S" series. All cameras except the W110 offer a 2x digital zoom. The W110 offers an 8x. All these cameras offer multiple autofocus points, and include a live view option.
  
  

Photography Features

• One main difference between the models lies in their aperture ranges. The S730's range covers f2.4 to f4.8, while the S750 ranges between f2.8 to f9.7. The W110 offers a f2.8 to f5.8 range, and the W120 covers f2.8 to f7.1. All cameras offer a built-in flash, with the "S" series range reaching 3.5-meters, and the "W" series offering a slightly longer 3.9-meter range. The S750 and W120 offer a one-second minimum shutter speed, while the S730 and W110's offer a minimum speed of 1/8 of a second. The maximum shutter speed on the "S" series is 1/2000 of a second, while that of the "W" series is 1/1600 of a second.
  
  

Video Options and LCD Screens

• All the cameras offer the option to shoot video, in standard and high definition, with a 320-by-240 resolution at 30 frames per second rate being standard. The "W" series cameras offer an additional option of 640-by-480 resolution, also at 30 frames per second, in both standard and HD modes. Three of the cameras offer a 2.5-inch LCD screen on the back, with the S730's screen slightly smaller at 2.4-inches.
  
  

Memory Options

• These four Cyber-Shot cameras offer two types of memory for recording your video and still images. All offer an internal memory option, with the "W" series offering 15 MB and the "S" offering 22 MB. In addition to the internal memory, all offer slots for inserting separate memory sticks, which are available in a variety of sizes starting at 1 or 2 GB.