Average Reviews:
(More customer reviews)I've got my Sony DSC-TX7 from Amazon just a few days ago. First impression - it's very small and thin. Feels very solid and a dark blue color looks pretty good. A wrist strap has been already attached at the factory; otherwise it can easily slip out of your hands. It is pretty good for a party - you can put it into your pocket and do whatever you want, even dance, and this camera will not bother you with its presence.
PROS:
- Very attractive stylish and solid design, especially in dark-blue color
- Ultra-slim body fits any small pocket
- Dust-free optics since the lens is not retractable
- Big high-resolution 920K colorful display looks like a small TV
- Pretty short startup time, no shutter lag, up to 10 frames per sec in burst mode
- Accepts SD/SDHC memory cards as well as Sony's proprietary memory-stick cards
- Wide 25mm (equiv.) lens - good for indoors and parties
- High-precision auto focus and effective image stabilization
- Sophisticated noise reduction algorithm greatly improves high-ISO pictures quality
- Advanced Hand-held Twilight mode for low-light pictures
- Special Backlight Correction HDR mode for high-contrast scenes
- Wide auto-stitch panorama mode
- High-quality front-side stereo microphones
- Smooth and silent zoom, auto focus, and optical image stabilization
- Very nice Full High-Definition 1080 60i video
- Unusually good video quality and high sensitivity in VGA mode
- Intuitive well-thought-out menu with the easy to use touch-screen
CONS:
- New "Exmor R" sensor seems much faster but more noisy than CCD ones
- Aggressive noise reduction is prone to obliterate small picture details
- Relatively short battery life and slow charger
BUILD: The build quality is very good and I generally like its construction. The only issue is the shifting of the lens cover to turn camera on and off - that mechanism is pretty tight but the lens cover does not have any kind of prominence you could grasp to move that resisting shield up and down.
STARTUP: The startup time is pretty short - about 1 sec. The time of recording of a single picture into the memory card might vary from 1 to 2 sec without flash and about 2 sec with flash. In the burst mode you can take 10 shots for just 1 sec but then you should wait for about 10 sec while they're being writing to the memory. The menu provides a friendly interface to manage those groups of shots.
DISPLAY: TX7 has a big 3.5" bright high-resolution display with 920K pixels and a wide angle of view which is easily visible even in a direct sunlight. With its vivid colors and clarity it looks like a small TV with a 16:9 wide-screen.
MENU: Most of the camera's functionality is accessible via that touch-screen display. TX7 has a very intuitive menu which is visually divided into 3 parts - narrow left and right vertical bars and a big central area. On the top of the right bar you can see the remaining battery charge indicator, available number of pictures, current shooting format and resolution. In the lower part there are the two buttons: Shooting Mode and Playback. If you touch the mode button a list of the available modes will appear in the central part: Intelligent Auto, Program Auto, iSweep Panorama, Movie, Anti Motion Blur, Hand-held Twilight, Backlight Correction HDR, and Scenes.
The left navigation bar has a "Menu" button on the top with 4 predefined icons below. It you touch that "Menu" button the central area will display icons of the parameters which in conjunction with the left-bar ones represent all the available shooting attributes for the currently selected shooting mode.
The most interesting is that if you touch the gearwheel icon on the top, then you can drag with your finger any of 4 icons from the left bar toward the center of the central screen area and drop it there. And then you can touch any other available icon from the central area and the similar way move it to the empty slot on the left bar. By doing this you can customize that quick-access menu separately for each shooting mode the way you need (make sure you touch firmly and drag slowly). And the same way you can choose those quick-access icons for the playback mode as well.
ADVANCED FEATURES: TX7 has a number of advanced modes which could be helpful in the difficult light conditions.
THH: "Twilight Hand-Held" mode can help either to improve a low-light picture quality when the using of flash is prohibited, or to get a picture in so challenging light conditions where otherwise you could not get one at all. In that mode the camera automatically sets the lowest possible ISO and shutter speed, takes 6 consecutive shots within about 1 sec and then combines them into one picture with much less noise. It can be very useful for shooting landscapes in the dusk, the indoors interiors, or museum pieces. If you're going to take pictures of people in that mode then it might be better to tell them "freeze!" instead of "cheers!" :-)
AMB: "Anti Motion Blur" is another low-light mode which also takes a number of consecutive shots and then composes their superposition. Unlike the THH-mode this one sets high ISO and fast shutter speed to catch the subjects which might be slightly moving like pets or kids. For example, if for the certain indoors conditions in THH mode a camera can set ISO-200 and the shutter speed 1/30, then in AMB it might set ISO-3200 and 1/200. BTW in a number of cases I noticed the pictures in THH mode were a kind of underexposed and oversaturated with some red or blue tint, so I had to apply some exposure compensation when shooting - about +1.0 - +1.3 and also to do some post-work to adjust the white-balance. Actually both modes use a noise reduction mechanism based on the data averaging. The cornerstone of that mechanism is the fact that the useful data is constant - does not change from one consecutive shot to another, while the noise is fluctuating. So that algorithm when doing the pictures superposition amplifies the constant aspects and reduces the random ones.
The processing task in THH-mode is relatively simple: the algorithm should recognize the displacement of each consecutive shot caused by unstable hands and then compensate it while doing the pictures superposition. However in AMB-mode in addition to that shaking hands instability the camera should also identify the subjects which are moving by themselves (like kids or pets). For the static areas the AMB-algorithm can apply as the same averaging noise reduction as in THH-mode, but for the moving subjects the AMB-algorithm should try to identify their trajectory and overlay them separately to reduce their noise. If the AMB-algorithm can not dynamically align them then it takes an image of that moving subject from one of the consecutive shots and just presents it without any noise reduction (the worst-case-scenario). That might happen if the subject is moving too much or if its shape is changing, for example - a jumping dog. I did some testing and found - the less subject moves the better AMB-algorithm can perform its job and so the less noise is visible on the final picture.
HDR: "Backlight Correction HDR" - One more useful mode. It is not only about backlight conditions but it also might be very helpful in any case when your picture consists of the fragments with very different brightness. Camera does the two shots in a quick succession, each of which is optimized for the lightest and the darkest areas and then combines both of them into one shot. That mode is only effective when there is a huge difference in the areas' luminance. The good news is that even in the earlier models (like my old DSC-T100) and even for the regular shots Sony has been doing a pretty good job of extending the dynamic range. I did not know that until about two years ago I purchased an advanced Kodak's P&S camera and found that on the same subjects where the Kodak's camera completely washed out some most illuminated areas, the Sony's T100 happened to handle them pretty well! The same is true for TX7 as well.
PANORAMA: Another interesting feature is the iSweep Panorama mode. You can shoot either a horizontal or vertical panorama, and there are the two modes: standard and wide. A standard horizontal panorama can cover up to 180 degrees (or less), while with the wide one you could shoot almost the entire circle. Just remember: you should take your horizontal panorama within 10 sec. A standard vertical panorama covers about 130 degrees and the wide one - about 180 degrees, and you should complete it within about 8 sec. Be aware that zoom does not work in that mode and the recording is done at the most wide angle (25 mm equivalent focal length). The resulting horizontal panorama is not of a high quality - it has just 1080 pixels of the vertical resolution. If your subject does not fit the frame or if you want the better resolution you can do this trick: 1) switch to the vertical up-to-down panorama, 2) choose the wide one, 3) turn you camera 90 degree counter-clockwise and shoot your panorama from left-to-right within 8 sec. In this case you will have 1920 pixels vertically. One more hint: Before starting panorama point your camera to any object which is at the average distance and half press the shutter button to catch the right focus. Then holding the button half pressed, turn to the most left position, press the button all the way down and start shooting. It is important because if in your starting direction there is any object which is much closer than most of the objects in you panorama then you would catch a wrong focus and most of the panorama would be out-of-focus.
LENS: The TX7 model, unlike many...Read more›
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Sony DSC-TX7 10.2MP CMOS Digital Camera with 4x Zoom with Optical Steady Shot Image Stabilization and 3.5 inch Touch Screen LCD (Blue)
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