Unlike its successor models, the iPhone 3G does not support prominent features of iOS 4. However, it does provide access to a unified mailbox feature, homescreen folders to better organize apps, playlist creation, and other enhancements. However, unlike more modern iOS devices, this update again does not provide iPhone 3G owners with access to important features, in this case the Game Center application.

The iPhone 3G's back featured a redesigned polycarbonate plastic housing, replacing the aluminum back of the first generation. Buttons were changed from plastic to metal, and the edges of the phone were tapered, providing a better grip. The iPhone 3G introduced the first official color options for the outer casing, with the 16GB version available in black and white. The dimensions of the iPhone 3G were marginally larger than those of the original iPhone.

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It was millimetres 4. The iPhone 3G sported a 3. The scratch-resistant glass sits on top of the display.

Just like the original iPhone, the touchscreen was designed for a bare finger, or multiple fingers for multi-touch sensing. The device featured the same sensors as its predecessor. An ambient light sensor was included to adjust the display brightness for different lighting conditions, which helps save battery power. A 3-axis accelerometer was included to sense the orientation of the phone and change the screen accordingly, allowing the user to easily switch between portrait and landscape mode.

Most of the iPhone 3G's internal hardware is based on the original iPhone. On the rear of the device, the iPhone 3G features the same fixed-focus 2. This camera does not have optical zoom, flash, autofocus, or native video recording, although various applications became available to allow video recording on the device.

The iPhone 3G's operating system supports the geotagging of photographs. These enhancements allow faster data downloads and turn-by-turn navigation with maps compared to previous devices. Like its predecessor, the iPhone 3G features a proprietary pin dock connector for charging the device. It can also be used to synchronize the device with a computer and to connect various accessories. The iPhone 3G features a flush-mounted 3. The iPhone 3G features an internal rechargeable battery rated at mAh, which, like its predecessor, is not user-replaceable.

Alternatively, it is said to provide hours of standby time. Walt Mossberg of The Wall Street Journal described the device as "a more capable version of an already excellent device. An article in the Wall Street Journal's Digits column on July 28, reported that iPhone 3G phones updating to iOS 4 responded slowly, had diminished battery life, and became excessively hot. From Wikipedia, the free encyclopedia.

Camera Plus Pro Turns 2: Celebrating it with Live Flash for iPod touch and iPhone 3GS

This article is about the second generation iPhone. For the third generation iPhone with a similar name, see iPhone 3GS. See also: History of iPhone. Main article: iPhone hardware. This section needs expansion with: actual reviews. You can help by adding to it. October Sources: Apple Newsroom Archive [19]. Apple Inc.

iPhone 3GS review

Retrieved April 6, Retrieved on July 10, Retrieved June 10, July 14, Retrieved November 10, Retrieved March 20, RoughlyDrafted Magazine. Retrieved May 12, Archived from the original on July 15, Archived from the original on February 7, Apple; Wayback machine. Note how well lit the target and subject is, and how dark the corners are. Video exposures are very good overall, and particularly so in outdoor or bright light conditions, where movies display nice dynamic range with vivid and bold colors.

In low light, video dynamic range is a little more limited and some slight steps in exposure adaption are noticeable as the lighting changes, but overall the results remain very good. Overall, artifacts are well-controlled without significant aliasing. Color rendering is also very good, without visible color shading on videos. White balance is accurate, particularly outdoors, with pleasant color. Texture preservation on outdoor videos is very good too, capturing well-defined details.

But in low light, the visible luminance noise results in weaker performance than that of other top video smartphone cameras. Apple calls this color space Wide Color, because it allows the storage and display of richer colors than sRGB, particularly reds and greens.

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DCI-P3 has also been adopted for premium TVs that support the Ultra HD standard, so it fits well with sharing images and videos destined for later viewing on high-end devices. Many smartphone cameras are capable of capturing richer colors than can be displayed using sRGB. Left: Rendered using the traditional sRGB color space.

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Right: Rendered as shot Notice the richer reds displayed when using the wider-gamut profile. For many years, consumer cameras and monitors have settled for an easy-to-reproduce standard for color reproduction, called sRGB. High-end devices, however — including DSLRs, Digital Cinema projectors, high-end monitors, and now even smartphones — are now able to record and display a much-wider range of colors. Professional photographers and movie makers have long built color-managed workflows to create output superior to sRGB, but most consumers have had to settle for less, since their cameras and phones have been restricted to recording images using only the sRGB color gamut.

Now, Apple is changing that. By supporting the Digital Cinema DCI-P3 color gamut, it is providing its smartphone users with the potential for the same high-quality color reproduction that is available in high-end movie theaters and on Premium Ultra HD TVs. It may be a little hard to imagine how to evaluate the visual impact of richer colors, but essentially Digital Cinema color does for color rendering what HDR does for tone mapping.

iPhone 3G - Wikipedia

It provides a broader, richer, palette of colors that can be rendered, resulting in a more immersive and compelling viewing experience…as long as the display device is capable of handling the additional colors. The only disadvantage to using DCI-P3 is that images captured using it may look a little dull when viewed on a non-color-managed display. Smartphone image quality relies on camera performance, which is in turn driven by sensor size and how the optical elements are stacked.

Simplistically, a larger stack of lens elements will produce a more accurate image, Similarly, the specific choice of optical elements also defines the field of view and aperture of the lens, as well as sharpness in the corners of an image. Wider apertures, which are most useful in low light, and better edge-to-edge sharpness require taller stacks of image elements, and therefore a thicker lens assembly. Most smartphone vendors want to create the thinnest possible device for their customers.

Since the camera is almost always the thickest part of a phone, this creates a conundrum between having optimal image quality or making the thinnest possible phone. The result is a series of compromises that manufacturers have addressed in a variety of ways. Of course, dealing with camera module thickness is obviously just one local thing among global smartphone design thickness challenges.

Each manufacturer has a different smartphone thickness target, and a different tolerance for the "camera bump" to accommodate additional imaging elements or a larger sensor. Smartphone sensors are small compared to DSLRs and 1-inch sensor cameras, but some are larger than others. Beyond these simple considerations of first-order optics, the reality of camera design is much more complex. The success of the lens design depends as much on such constraints as the ability to keep the same sharpness in the corner of the image or tightly control the back-focal length as it does on materials science to provide optical engineers with thinner and thinner optical-quality plastics.

This includes high-performance lens design, efficient sensor electronics, built-in optical image stabilization, multi-image synthesis on a high-performance image processing chip, and an advanced image processing pipeline. For the first time, with the introduction of the iPhone 7 and 7 Plus, Apple has made its RAW captured images available to developers of third-party photo applications. This is very exciting news to serious photographers hoping to coax the ultimate image quality out of their iPhones.

Until recently, iPhone users were unable to harness the benefits of RAW. Some Android phones have added RAW support, and now with the iPhone 7 family, Apple has as well, which means you can capture now, and process later. The traditional definition and purpose of a RAW image has been challenged by the multi-frame algorithm described by Apple as part of the iPhone 7 announcement. Because it starts from a set of 3 to 7 RAW images Apple did not disclose the exact number , the native Apple camera application already has a giant lead on third-party RAW processing applications for the iPhone.

It then merges that image with neighboring frames to improve the dynamic range and reduce noise. The best smartphone manufacturers have commonly used such multi-image algorithms for few years now, but Apple seems to be taking it to a whole new level. Other app developers, such as Adobe, need to do their best with one image at a time.

There is an obvious problem with assembling a composite image from several individual frames. The iPhone 7 demonstrated exactly that shortcoming in our testing, both in harshly-backlit outdoor scenes and very-low-light indoor scenes. In four of them the arm shows a ghost of itself — which is different from simple motion blur. Beyond consumer photography, making RAW files available to developers has the possibility to open new fields for professional applications such as medical imagery, where it is more important to have the certainty of a single RAW image rather than the risk of artifacts such as ghosting or false colors being introduced via multi-frame processing.

It performs particularly well in bright light conditions, making it a great smartphone camera for outdoor enthusiasts shooting landscapes, street scenes, architecture, or portraits. Read more about our Comment Policy.