The TS3 features a Leica 4.6x internal optical zoom lens with a 35mm equivalent of 28-128mm and a maximum aperture of . This lens is made up of 10 elements in 8 groups (5 Aspherical Lenses / 6 Aspherical surfaces / 1 ED Lens), all of which work from within the camera body, keeping a waterproof seal at all times within 40ft. of the surface.
Normal: (Wide/Tele) 30cm - Infinity
Macro/Intelligent Auto/Movie: (Wide) 5cm - Infinity, (Tele) 30cm - Infinity
Assisting with you low-light shooting is a small, built-in TTL flash unit and LED light to assist in focusing. This flash has a range of up to approx. 18ft. (5.6m) at the wide end. The LED is also very helpful for shooting video in low-light conditions and shooting underwater.
Framing and viewing your images is accomplished on a 2.7-inch, 230,000 dot LCD screen with an Anti-Reflective coating. This LCD screen is easy to see in most scenarios and lighting conditions, but it can be tough to see when you are underwater on a bright day.
Controls on the back: On top you can see the zoom controls allowing you to zoom or enter the index in playback mode. Under the zoom controls are the camera's built-in speaker, playback button and mode selection button. The 4-way controller in Record mode toggles the flash mode when pressed 'Right.' When pressed 'Up' it adjusts exposure compensation, 'Left' to activate the Self-timer and press 'Down' to enable Marco focus mode. In Playback mode the 4-way selector is used to select images and in both record and play is used to navigate the menu screens. The MENU/Set button calls up and dismisses the menu system as well as accepts menu selections. The DISPLAY button toggles the amount of overlay information shown on the LCD. The Q.MENU button gives you access to the shortcut menu in record mode, and acts as the image delete option in playback mode.
On the right side of the camera you will find all of your inputs, battery and SD card slot hidden under a water-tight door. This door seals tightly and has a locking mechanism to ensure that it stays closed. Under it you will find a USB 2.0 and HDMI output. The camera accepts SD/SDHC/SDXC memory cards.
Powering the Lumix TS3 is a 3.6V, 940mAh rechargeable Li-Ion battery. Panasonic claims that this battery can capture up to 310 images on a single charge. Also included is the pictured quick charger with fold-away prongs, making it easy and convenient you keep a battery charged at all times.