#widecamera

[joepanipon]

IPhone 11 x Wide camera

[ialemus-blog]

Apple iPhone 7 Plus Wide Camera - 28 mm f1.8 12 MP • 3024 × 4032 • 1.5 MB #apple #appleiphone #iphone #iphone7plus #widecamera #tokyo #tokyotower #japan (at 東京タワー　Tokyo Tower) https://www.instagram.com/p/Ci_aKFarkth/?igshid=NGJjMDIxMWI=

[theartoftech-blog]

LG V30 Plus #lg #smartphone #lgv30plus #lgv30 #android #widecamera #headphonejack #quaddac #lgv40thinq #lgv50thinq #lgg7thinq #lgg8thinq #smartphones #wirelesscharging (at United States) https://www.instagram.com/p/BwyC9IHj2aU/?igshid=1hriuqlpoczkc

[appliancesreviews]

Pixel and matrix size, its resolution and aperture in the smartphone camera

The popularity of smartphones has been growing rapidly for over 10 years. Of course, companies adequately respond to huge demand, constantly improving their models. Traditionally, the competitiveness of any device depends on its price, functionality and specs. The price and functionality are not covered in this article. But in general, competition forces companies to expand intensively functionality and pursue flexible pricing policies. As a result, a modern budget smartphone worth several hundred dollars already provides opportunities that seem unlimited compared to models 5 years ago. Blackview MAX 1 Projector Mobile Phone with a projector function, Desktop Mode in Android Q 10 and foldable smartphones perfectly illustrate this trend. In fact, the modern smartphone has become a universal pocket PC with fairly high-quality media functions, including a camera, projector, etc. Of course, competitiveness requires continuous improvement of all components, including smartphone performance, camera, Smartphone Storage, OS, screen etc. In particular, the improvement of cameras is developing in two directions. First, companies increase the number of different cameras, expanding shooting opportunities. As a result, modern multi-camera smartphones provide high image quality when shooting in almost any conditions. A list of the most popular add-on modules includes Ultra-Wide, Telefoto, Depth and ToF cameras. Today even budget models often use two cameras. Modern flagships usually have three or more modules. Moreover, Sony announced a smartphone with an unprecedented 8 cameras.

Secondly, companies continue to traditionally improve the main specs of matrices and lenses. This article offers a more detailed analysis of this aspect.

Resolution, Pixel size and aperture

As known, the matrix forms an image using photosensitive cells (photosensors). 1 MP corresponds to a million photosensors on the matrix. They determines the resolution of the matrix and directly affects the image quality. A few years ago, smartphones have mainly used a 0.5-megapixel, 1.3-megapixel or 2-megapixel matrix. Only some flagships had 5-MP cameras. The rapid development of the production technology of photosensors has radically changed the situation. Modern models already use matrices with a resolution of 8 MP to 40 MP and even more.

The pixel size directly affects the number of absorbed photons during exposure. Accordingly, the photon flux capture efficiency is different for matrices with different pixel sizes. This factor directly affects image quality. Its gradations are: - 1.55 μm-1.40 μm - high quality even in low light; - 1.40 μm-1.22 μm - high quality in normal lighting, image noise in low light; - 1.12 μm or less - high quality only in bright conditions. But increasing the pixel size with the same resolution requires an increase in the matrix size and optics, which increases the thickness and width of the smartphone. Therefore, companies are forced to constantly seek compromise solutions. Bright detailed images require a powerful light output, which depends on the aperture (degree of lens openness).

Accordingly, a wide aperture absorbs more light flux. Its size is denoted by "f". Wide aperture provides macro photography, bokeh effect, etc. The effect of aperture on quality: - f / 2.6, f / 2.4 - low quality; - f / 2.2, f / 2.0 - usually used in budget models; - f / 1.8, f / 1.7, f / 1.6 - the optimal aperture.

Image sensor size

The matrix is a chip with photosensitive photodiodes. As known, a photodiode under the influence of light forms an electrical signal, which is subsequently converted into a digital signal. In fact, the matrix performs the function of a film in traditional cameras. In the future, information about the image goes to the processor, which converts it and sends it to the smartphone’s storage. On average, this process lasts 0.2-0.3 seconds. At the same time, the picture quality directly depends on the matrix size. Modern models use matrices with the following diagonal: - 1/3"- budget smartphones; - 1/2.9", 1/2.8" - mid-level models; - 1/2.6", 1/2.3" - flagship smartphones.

For example, the diagonal of a 12-megapixel Sony IMX386 matrix in Xiaomi Mi Mix 2 is 1 / 2.9" (6.2 mm) and the pixel size is 1.25 microns.

The ratio between the size of the matrix and pixel

Of course, a large number of pixels (resolution) requires an increase in their density.

But for a constant matrix size, this requires a reduction in pixels size with a decrease in absorption of light by each of them. Thus, only the choice of the optimal ratio can ensure maximum image quality. For marketing reasons, most companies often do not specify pixels size, indicating only the matrix resolution. But the resolution does not characterize the efficiency of light absorption, and, as a result, the real quality of the images. Today, companies are experimenting with this ratio. Samsung Galaxy S6 perfectly demonstrated very successful combination.

With the same specs, it clearly wins compared to the iPhone 6.

In addition, Samsung Galaxy S7, S8, S9 with a 12-megapixel matrix also demonstrate excellent quality due to the large pixel size.

Super Pixel (Quad Pixel, Quad Bayer, TetraCell) technology

Having reached a huge resolution (48 megapixels, 64 megapixels and more), companies began to look for other ways to further improve the camera. As a result, Super Pixel technology using Pixel Binning was developed. In fact, this algorithm combines four small pixels into one large pixel using filters.

Almost all leaders use this technology. Sony calls it Quad Bayer, Samsung uses the TetraCell term. Mixing pixels eliminates the problem of low light. The algorithm combines RAW data from four pixels into one effective super-pixel, providing the maximum amount of captured light while reducing image noise. Of course, it reduces the actual image resolution. For example, a 24-megapixel camera with Super Pixel technology can provide a real resolution of only 6 megapixels. Therefore, cameras with low resolution rarely use this option. Its effectiveness is manifested in 40-megapixel matrices and higher. In this case, the algorithm improves quality in low light conditions by reducing over-resolution. In addition to reducing resolution, this technology also eliminates the output of the RAW (DNG) format due to data loss during the Pixel Binning.

OIS and autofocus

Many modern cameras use OIS (Optical Image Stabilization) to increase clarity and improve focus when shooting in motion or in low light.

In fact, OIS provides amortization to compensate for camera movements during movement. The optical stabilization mechanism smoothes shaking hands or movement while walking. Functionally, OIS replaces the traditional tripod. Budget models often use digital stabilization instead of the more efficient and expensive optical stabilization. In this case, the algorithm smoothes gradations of blurry frames. In addition, almost all modern cameras have autofocus on one or more objects. Today, companies use contrast, phase and laser autofocus. But laser autofocus provides maximum efficiency.

Conclusion

1. The resolution of the image sensors in the cameras of smartphones has almost reached its maximum. Its further increase is already limited by a decrease in captured light due to a decrease in pixel size. Apparently, further improvement of the cameras will be based on increasing the matrice size and improving the signal processing algorithms. 2. On the other hand, even medium-budget models provide high enough quality for amateur photography. Many expensive smartphones are already successfully competing with traditional cameras for picture quality. This video demonstrates latest innovative Sony IMX686 image sensor for smartphones. Read the full article

[stenlycharles18-blog]

Who is the best ? #goprohero5 #xiaomiyi2 #4k #widecamera #actioncam #photography #capture #wideeffect #perfectcam (at Training Center Berani Bermimpi)

[pccareus]

170 CCD Wide Angle Wateproof RearView Reverse Backup Camera #reversecam #backup #wideangle #widecamera #rearviewcam http://buff.ly/2qxyXCc

[restianawd]

View from 4th floor RS Melania Bogor #LGG5 #G5Camera #WideCamera (at RS Melania)

[droneseco]

Oppo Find X3 Pro Review: One of the Best Devices on the Market in 2021

Oppo Find X3 Pro

9.00 / 10

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See on amazon

The Oppo Find X3 Pro is the 'Do-it-All' phone, and it does a good job living up to that. 

Key Features

Microscopic Camera

120Hz refresh rate

10-bit color display

Specifications

Brand: Oppo

Storage: 256 or 512GB

CPU: Snapdragon 888

Memory: 8, 12, or 16GB

Operating System: Android 11, ColorOS

Battery: 4500mAh

Ports: USB-C

Camera (Rear, Front): 50MP widecamera, 50MP ultrawide camera, 12MP telephoto camera, 3MP microscopic camera, and a 32MP selfie camera

Display (Size, Resolution): 6.7-inch 1440p, 120Hz, 10-bit panel

Pros

Incredible display quality

Ultrawide camera matches the quality of the wide camera

Battery life is very consistent and lasts a full day of use

Cons

The screen curves a little too much

The telephoto camera is underwhelming compared to the other cameras

Buy This Product

Oppo Find X3 Pro amazon

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// Bottom

At this point, we all know that Oppo and OnePlus have pretty heavy ties, and that means they inevitably release similar if not identical hardware annually. With the Oppo Find X3 Pro, this fact mostly remains correct. However, the refinements and the sheer luxury of owning this phone arguably make it the better device, even if it isn't available everywhere.

Design: Taking Inspiration

When it comes to design Oppo took inspiration from many smartphones; most notably, the iPhone 12 Pro comes to mind when looking at the eerily similar camera setup. That said, I think they took the liberty of polishing (literally) these design queues and making something that's unique and quite beautiful.

Let's start with the back because a lot is going on here. You can pick this device in either Gloss Black or (matte) Blue. The Blue color variant of this phone is almost one-for-one, the same color as the iPhone 12 Pro's Pacific Blue variant, but if I had to choose, I would opt for that color over the gloss black for one bothersome reason: the smudges.

When the Gloss Black is clean, it is stunning to see this device. It's a beautiful mirror finish, but as soon as you take this phone out of the box, you will undoubtedly pick up fingerprints, dust particles, and smudges. It's nearly impossible to keep this color clean if you plan on carrying this phone around naked. I highly recommend you put on the included silicone case to protect your device from looking dirty all the time.

The camera system feels elegant; I would go as far as to say that it looks and feels better than the iPhone 12 Pro that Oppo is copying. If you held the Oppo Find X3 Pro next to the iPhone 12 Pro series, there is no denying they copied Apple; it honestly looks like a mirrored image of the iPhone's camera system, but Oppo added many things to make it stand out.

For one, there is this seamless bump where the cameras sit; it's hard to describe, but essentially the rear panel is made of one sheet of glass, and this is apparent when you run your finger over the cameras. There is a seamless transition that makes this phone feel super chic, and it's one of the most captivating design elements of this phone. Oppo calls this a Gradient Arc Camera, and in a more practical sense, it should make taking your phone out of your pocket easier.

On the right side of the phone, you'll find your power button, which has this green accent, and on the left, you'll see your two volume controls. The buttons are clicky and tactile, and they are positioned well relative to the phone's size.

On the bottom, you'll find your speaker, USB-C charging port, and SIM cardholder. On the top, there is simply a microphone hole on the right side.

The entire phone is made from Gorilla Glass 5 and has an aluminum frame. Since the screen is curved, there is a seamless transition between the aluminum sides and the two glass sheets on the front and back; this phone feels great to hold. The device is also super light for its size, coming in at 193g (6.81oz).

Onto the front, you'll find the 6.7-inch curved display along with the off-centered camera hole punch on the top left corner. The bezels are relatively thin and uniform all around the screen.

Overall, Oppo did an incredible job with the fit and finish of the Find X3 Pro. The Find X3 Pro is a great device to recommend to people who want to carry a big screen but don't want a heavy phone.

Display: One of the Best

One of the main selling points of the Oppo Find X3 Pro is the screen, and it's one of the best panels on the market. Undoubtedly the Find X3 Pro shares the same Samsung panel as its OnePlus 9 Pro brother, but Oppo has added one differentiator to make its screen better than the rest.

Oppo's using its own Color Management System, which is capable of supporting the entire DCI-P3 wide gamut and 10-bit color depth, and what that boils down to is this panel can display more colors compared to any other device on the market. This display can produce 1.07 billion colors, where most flagships display about 16.7 million.

On paper, this sounds impressive, and 10-bit is technically better than the typical 8-bit displays most people are used to; the only issue is most people don't have 10-bit content to consume. The Find X3 Pro can capture 10-bit photos and videos, but in practice, you're going to see a marginal improvement, and right now, 10-bit content is a niche.

When it comes to other aspects of the display, Oppo has done a tremendous job here. For one, this screen is a QHD panel and has a maximum resolution of 1440 by 3216. The screen supports a variable refresh rate of 5Hz-120Hz, which is great for battery life when you're doing less intense tasks on your device, such as reading or using the always-on display.

The device also supports a True Tone-equivalent setting, which can adjust the temperature and brightness of your display with up to 8192 levels to match your environment. This feature is effective in reducing eye strain during both the day and night. I recommend you turn this feature off if you use your device to edit photos and videos.

The Find X3 Pro has an off-centered hole-punch camera just like the OnePlus 9 Pro, and for the most part, it blends in quite well when there is content on the screen.

The only part of this display I would find a tad bit annoying would be the curved edges. In pictures, the curved edges are beautiful, and Oppo has implemented many software features like edge-lighting to make use of the curve. While this aspect of the phone is purely just for design aesthetics, it would have been nice to see Oppo opt for a less curved panel like the Samsung Galaxy S21 Ultra. The S21 Ultra still has a curve to its display panel, it's just much less prominent like the Find X3 Pro, and it helps reduce accidental touches and the general slipperiness of the phone.

Overall, there is very little to complain about the display on this Find X3 Pro; it's quite simply one of the best displays out on the market right now. If you're looking to get a device that has a very adaptive and customizable display, the Oppo Find X3 Pro does not disappoint.

Camera System: The Ultrawide Finally Lives Up to the Main Camera

The Oppo Find X3 Pro's camera system has to be one of the most insane and unique assortments of cameras put on a smartphone, and I'd say 90% of the features in this camera experience are worth keeping around.

Let's start with the regular wide and ultrawide cameras first. The device sports Sony's 50-megapixel IMX 766 sensors, and this is in line with what is found on the OnePlus 9 Pro's wide and ultrawide, but I'd argue Oppo has done a better job here with its camera software.

The best way to describe the images coming out of these cameras would be to say they're very true-to-life in terms of color accuracy; the device does a great job creating natural colors and having excellent dynamic range. The main concern I have with the camera would be its handling of skin tones under harsh conditions. I have noticed that when it comes to skin tones, it can be a hit and miss; the camera can make skin look unnatural and unflattering at times, but under the right conditions, the colors look fine. The images taken were captured with AI-enhancer turned off.

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My favorite aspect of this camera has to be the ultrawide camera. It's so much fun to use an ultrawide that matches the main camera in every aspect, and this makes its focal length much more enjoyable to use in more rigid situations like at night. The ultrawide produces identical results in terms of image quality as the main wide-angle camera, and it means you're going to be getting better sharpness, HDR, and color recreation with this focal length. The Find X3 Pro truly has the best ultrawide on any smartphone at the moment.

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Moving onto the 12MP, 2x optical telephoto camera, it's noticeably much less impressive than other devices. The telephoto on the Find X3 Pro produces similar results to its 50MP sensors, but it lacks the same quality and sharpness as the wide-angle and ultrawide. While this camera isn't bad by any means, it feels like an afterthought compared to the other cameras found on this device.

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The 32MP front-facing selfie camera is average for what it is; it's a little disappointing that a camera with its megapixel count only supports 1080p video recording, whereas, on devices like the iPhone 12 series, you're able to capture 4K video up to 60 frames per second.

The most unique camera of this entire camera system has to be the 30x microscopic camera. The 3MP microscopic camera on the Find X3 Pro is a gimmick, and I don't see any practical uses for it, but I can't seem to complain about it because of its novelty. The camera itself has a ring light around it, allowing for better quality lighting when you're using it, and I would say that you can capture decent images with it despite its low megapixel count.

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I was able to capture images of the pixels on my other phone, a closeup of the petals of flowers, and even the individual fibers on my microfiber cloth. This camera, though a gimmick, is the most fun I'd had with such a niche and novel feature. While I don't think Oppo should spend more money on improving this camera, I would love to see companies adding features like this to their devices that extend beyond just software. Oppo did a tremendous job making this camera usable, and it's a great conversation starter.

Overall, Oppo did a great job with the camera experience here.

Performance and Battery Life

There's nothing to complain about here; the Oppo Find X3 Pro is equipped with the Snapdragon 888 processor, 12GB of RAM, and 256GB of storage. The device is very responsive, and I experienced no hiccups while using it. The device is more than capable of playing graphic-intensive games, storing large photo and video files, and doing so without breaking a sweat.

When it comes to software, ColorOS is quite good with all of its customizability and convenience features. For people who are used to more simplified experiences like OxygenOS or iOS, Oppo's skin on top of Android can seem daunting and takes some getting used to.

Something that was a pleasant surprise was the haptic motor on the device. Apple's Haptic Engine on its iPhones is by far the best because of how precise and tight the haptics feel, but the haptic motor on the Oppo Find X3 Pro is almost up there with the iPhone's, delivering satisfying haptics. Compared to my Galaxy S21, it's tighter and more precise.

When it comes to battery life, I would say the Oppo Find X3 Pro is on par with the large phones released this year. The Oppo Find X3 Pro has a 4500 mAh battery, and during my testing, the device provided 7-8 hours of screen on time during regular usage. On days with heavier usage, you can expect to get just under 7 hours. This is with maximum brightness, maximum screen resolution, and 120Hz enabled.

When it comes time to charge, the Oppo Find X3 Pro supports 65W fast wired charging, and Oppo generously includes a charger in the box to let you achieve those speeds. You can reach 40% charge in about 10 minutes, which is incredibly convenient when you forget to charge your device overnight. The device also supports 30W wireless charging, but that requires Oppo's proprietary wireless charger to achieve those speeds.

Should You Buy the Oppo Find X3 Pro?

Overall, this is one beastly phone with a very sleek and understated design, and I don't think anyone picking it up would be disappointed in its feature-set. You're getting one of the best screens, battery life, performance, and camera capabilities on any smartphone on the market right now. This device is an excellent option if you want a phone that has every possible feature you would want on your device.

Oppo Find X3 Pro Review: One of the Best Devices on the Market in 2021 published first on http://droneseco.tumblr.com/

[ialemus-blog]

Apple iPhone 7 Plus Wide Camera - 28 mm f1.8 12 MP • 4032 × 3024 • 2.6 MB #apple #iphone #appleiphone #iphone7plus #widecamera #chicago #chicagocity #chicalake (at Downtown On The Chicago River) https://www.instagram.com/p/Ci_Z0E2LTrV/?igshid=NGJjMDIxMWI=

[appliancesreviews]

Overview of cameras in the multi-camera smartphones

For several years, smartphones have been steadily leading in popularity in the consumer electronics segment. Enormous competition encourages companies to constantly expand the functionality of their models. For example, companies already offer Projector Mobile Phones with a projector function, including Blackview MAX 1 Projector Mobile Phone.

But as before, the choice of optimal smartphone depends on its price, brand and specs, including OS, smartphone performance, Smartphone Storage, screen, etc.

Smartphone cameras

Of course, the camera also belongs to the most important specs of a modern smartphone. In recent years, almost all leading companies have been actively improving the cameras of their models, including by increasing the number of modules. As a result, today the market offers smartphones with different numbers of lenses in different combinations. Many modern phones, including budget models, already use two modules, but many flagships have 3 or even 4 cameras. For example, in 2018 Samsung introduced the Galaxy A9 (2018) with Main Camera and three additional, including Ultra-Wide, Telefoto (optical zoom), and Depth cameras.

But at the end of February at the MWC-2019 in Barcelona, HMD Global already introduced the Nokia 9 PureView with five cameras.

Nokia 9 uses Zeiss optics, provides a 12-MP picture, saves the image in RAW format, providing its editing on a smartphone. It has two color 12-MP, f / 1.82 cameras and three black and white with similar parameters. In addition, the smartphone uses a 20-MP front camera. Finally, Sony announced a model with 8 cameras, including 20-MP f/2.4, 48-MP f/1.2 and f/2, 16-MP f/2.4, 8-MP f/2.4, 12-MP f/1.2 and f/2.4, and 0.5-MP ToF lenses on the rear panel.

In addition, it has front 10-MP and 0.3-MP ToF cameras providing Portrait Mode.

Basic cameras

Functionally, smartphones with dual cameras can be divided into several types. The second camera can be used as a Depth or Ultra-Wide, for zooming or night shooting (monochrome camera). Additionally, such models can collect data for portraiture or other effects, eliminating the need for a dedicated sensor. Thus, dual cameras provide greater flexibility, providing improved quality for different shooting conditions. For example, Telephoto lens provides background blur and optical zoom without loss of quality. In 2016, Apple first used it in the iPhone 7 Plus. The experiment was successful and today many companies use it. Until 2019, their optical magnification did not exceed 2x or 3x. But today the Huawei P30 Pro, Oppo Reno and Xiaomi Mi Mix 4 already support 5x.

A wide-angle camera provides 120 degrees, capturing more objects in the frame. In 2016, LG first introduced the flagship with such a lens. At the end of 2018, Samsung and Huawei began to install a similar module in some expensive models. Today, the Galaxy S10 uses an ultra-wide 123 degree lens.

The black and white camera works in tandem with the main module and provides improved light capture in low light conditions. In 2018, Sony installed such a camera in the Xperia XZ2 Premium. In the 2018 Oppo RX17 Pro and Honor View 20 was first used the 3D ToF (Time of Flight) stereo camera. The 3D sensor provides scanning of objects to form a 3D image.

The number of cameras in the modern smartphone

Of course, adding a third camera further expanded the functionality. As known, Huawei P20 Pro was the first such model. It has a 40-megapixel main module, a 8-MP telephoto camera with 3x zoom, and a 20-megapixel monochromatic camera. The combination of such optics and effective software provided excellent zoom and high quality even in low light conditions.

Нuawei has previously already used hybrid technology with a monochrome camera to improve images in low light and to increase digital zoom. But the combination of a 3x telephoto lens and a 40-megapixel high-resolution matrix in the P20 Pro ensured high quality even for 5x zoom. The LG V40 also uses three cameras, including a 12-MP main camera, a 12-MP lens with 2x zoom, and a 16-MP wide-angle camera. This combination provides excellent quality for almost any shooting condition.

However, Samsung took the next step by adding a fourth module. Its Galaxy A9 (2018) uses main, telephoto, wide-angle and 5-megapixel Depth modules. Of course, such a decision may seem controversial because the wide-angle and zoom cameras provide information about the frame depth. For example, the Live Focus feature in Galaxy Note 8, 9, and S9 Plus uses telephoto camera data. But the addition of a special sensor exclusively for frame depth increases the detail, improving the image quality in portrait mode and creating a bokeh effect.

For this purpose, other companies often use a monochrome camera instead of the Depth module.

Dimensions

Unlike the large cases of traditional digital SLR cameras, smartphones have a very limited internal volume. Its slim body should include a screen, chipset, battery and other components. Therefore, companies use very compact matrices for smartphone cameras. As a result, they capture significantly less luminous flux compared to the much larger matrices of full-size cameras. Today, developers use sophisticated image creation algorithms, including Image Averaging, etc. In general, adding new modules requires reducing the sensor size of each camera, reducing the size of other components, or changing the phone design. But the first method radically reduces the image quality, and the second method degrades other specs of the device. Thus, a design change remains the only acceptable way. Perhaps new models with a large number of cameras will be thicker or will have a protrusion near the lenses. In addition, this trend has another aspect. A similar situation was already in the photo industry segment. A few years ago, Light introduced a 52-megapixel Light L16 with 16 cameras.

The focal length of their lenses varies from 28 to 150 mm. Theoretically, it should provide high-quality zoom with a resolution of up to 52 MP. Unfortunately, the low speed of creating a picture, the need to use the Light Lumen app for most settings, and the huge variation in frame quality have radically limited its popularity. Therefore, adding cameras without high-performance software can create many additional problems.

Conclusion

Fierce competition encourages companies to actively expand the functionality of smartphones by increasing the number of cameras and improving their collaboration algorithms. Of course, this aspect affects the choice of the optimal model. Probably, at some stage, factors of price, device size and control complexity will limit this trend. But modern models already offer from two cameras in the mid-budget segment to an unprecedented 8 cameras in the new Sony smartphone. This video illustrates the effectiveness of dual camera operation in the Xperia XZ2 Premium. Read the full article

[restianawd]

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[restianawd]

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[restianawd]

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