Do I need a curved display smartphone? I think this is not the most important characteristics that I would look for when selecting a device. Especially in the case of the pioneers – Samsung Galaxy Round and LG G Flex. The benefit of this bend was well, very little, let’s be honest. In the Galaxy Note EDGE display curved differently – it’s not a small bend over the entire area display, clearly curved line that looks very unusual. But whether he was more useful than a curved?

And in this post I want to share a little experience operating Note EDGE is folded with a focus on end, as inyuz Galaxy Note 4, which I use for several months, I have recently published.

For those who have not read / did not watch reviews, enclose a link to them: Samsung Galaxy Note EDGE, Samsung Galaxy Note 4.

The main feature of Note EDGE, which distinguishes it from the original model – a curved display. Bending pronounced and, unlike the aforementioned Galaxy Round, curved portion has a separate functionality. That is, we have not just the fact that there is a bend, and case studies and how to use it. Technically, here we have one display, the right part is bent. Software is the entire interface is divided into two zones: the main screen, which has a diagonal of 5.6 “and a resolution of 2560 x 1440 pixels, and sideband, its resolution is 2560 x 160 pixels. This is enough to place a column of icons, scrolling and other useful information.

What is the use of this panel? If you do not take into account that it looks very unusual and such a display can just brag to your friends, this line can be used in favor of functionality. For example, the night, as expected, are very handy thing. Several times I tried to sleep with her for hours straight Pebble, that at any moment it was possible to see the time, but it is inconvenient. Unlock any smartphone hurt – too bright. And then at a certain time you just show the weather, time and date. Muted tsiferki to completely off (black) screen is not annoying at all. By the way, the weather turned out to be even more useful than the time – I have are often shooting in the morning and woke up before the alarm, it is useful to know the rain or not, as well as temperature.

Of course, conveniently located on the side of the icon with the most popular applications and games for their fast start. It’s like an extra on the desktop dock that accommodates a large number of icons.

Also proved a convenient pop-up messages: how to notice and function keys. For example, while playing an incoming call does not interrupt gameplay, you can answer or repel the call using the sliders on the side panel. And while watching videos or playing conveniently receive notification of incoming messages – you know who and what is written.

Today, the side panels are not very many. But open API, developers can build upon existing applications and games (additional gaming panel could use as extra. Items) and write a separate sidebar, which will be available in the app store Samsung.

Speaking of usability, it is worth noting that there is no discomfort, but one drawback due to the folded edge, still is – cases. If you like to wear the device in a case, it will have a good search. Of good options I found brand smart case with a lid that does not completely close the display to curved surface was always visible.

There is another point that requires a habit – a key lock. In most large smartphones, it is located on the right side to it was convenient to reach with your thumb. Immediately, for obvious reasons, it had to move upstairs.

Oddly enough, but in the hand of a smartphone is no worse than usual Note 4, the folded edge of the convenience seized upon not affected. Many people ask the question: “How does the bent part, when using the device constantly touches her hand?”. The manufacturer has provided it, and the panel responds to touch only if you’re working with it.

Second, that some wonder – what to do lefties, since only one face is bent, and she was right. There is also a software solution, Note EDGE – the first smartphone Korean manufacturer, interface which can be flipped upside down. In this case, instead of at hardware keys appear onscreen. A side face in such a position is to the left.

Unfortunately, during the review, I have not found it possible to turn the side panel in a locked state to an active was only bent portion. During the operation, I found how to do it: in the locked position, simply swipe your finger from left to right or vice versa, but without lifting a finger. Once the clock appears, and you can swipe to switch the other panel. Conveniently, if you set a string of weather to see the temperature. By the way, in the app store Samsung already have an application Gismeteo, which is accessible side panel with a thermometer. Looks fresh.

In general, the solution of interesting, and you get used to it. But at most, curved screen – still branding thing. EDGE – pretty massive thing as a cost, and the feelings. Functionally useful, but to grow, of course, is where. I’d like to display more third-party solutions, especially waiting for them in games. Today, many complex games ported and processed for smartphones and tablets. Take the Heroes of Might and Magic 3, which have recently appeared for mobile devices, or tanks in which to add. the screen can accommodate a variety of useful buttons. But even now, the existence of such rarities like!

Himself smartphone is still one of the most powerful on the market, with a very high-quality display and an excellent camera. In this case we get an all in one for those who want a fashion phone, but with unclipped characteristics.

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It is believed that a picture taken with the lens focal length is approximately equal to the diagonal of the frame, will look most natural for human perception. Such a lens is called “normal.” It is necessary to clarify that in fact the normal focal length for a film / matrix size 24×36 mm is 43 mm. But this does not prevent the lens with a focal length of 50 mm was to become mandatory, according to most photographers, photographic element in the set. It is worth mentioning about the “equivalent focal length” lens for full frame cameras with no matrix (crop-camera): Fekv = F * Crop factor. In this case, since we continue to go about the system Canon EOS, then Fekv = F * 1.6 (50 * 1.6 = 80 mm).

I am sure that all enjoying photographic equipment Canon sign one of the most popular lenses of this manufacturer – Canon EF 50mm f / 1.8 II. It was he who most often acquired immediately after purchase “reflex”. Its low price and high aperture ratio obtained for this price, left no doubt the “rookie” in the ranks under the banner of Canon.

Manufacturer from China YongNuo, well known for his on-camera flashes, on-camera LED (LED) lamps, sinhonizatorami flares and various accessories to them, rapidly expanding range of products, entering the ranks of manufacturers of optical devices. It all started recently with the release of teleconverters under the name «YongNuo». Their quality and ease of use while I can not say. The next step was the release of the lens. They became YN EF 50mm f / 1.8, looks very similar to the above-mentioned Canon EF 50mm f / 1.8 II. In fairness, it should be noted that until recently, the model flares from YongNuo, well, very reminiscent of the flash from Canon.

Lens YN EF50mm f / 1.8 at the end of 2014 is not officially sold in our country, so it was purchased through the service Ebay in China (at the time of purchase, in December 2014, its price was 3300 rubles.). And therefore, to evaluate the difference in cost can only be compared YN EF 50mm f / 1.8, bought there, with Canon EF 50mm f / 1.8 II, sold here. YN EF 50mm f / 1.8 was cheaper than about 700 rubles. It is not critical, but it’s nice, especially as a percentage of the purchase price.

His body and mount made of plastic. In size lens YN little more Canon: 73×55 mm and 68.6h40.6 mm respectively. The diameter of the filter for both is 52 mm.

Anti-reflective coating on the lenses present, what they say reflect purple and green colors.

Aperture blades in glass from YongNuo two more compared to said lens from Canon. Through this lens bokeh looks advantageous form of light sources in the image closer to the circle, because the aperture is in the form of a heptagon, not the pentagon, like lens Canon (because of these pentagons on a photo taken with a Canon EF 50mm f / 1.8 II, its many and criticized).

Needless to say, that we are an ultrasonic auto-focus drive is not. Motor in the lens, making noise, reminiscent of the crunch, it is smartly suggests sharpness. Yes, this noise could spoil the mood to anyone who takes the camera video, but not particularly worried about when taking pictures. But the quality of the AF was an unpleasant surprise. When used with not a full frame camera Canon 40D, Canon 450D noticeable error autofocus. First, even thought it was a stable front focus (focus falls on an area which is closer to the camera than the one on which the focus point is shown in the viewfinder or on the camera). But by taking some statistical sampling is easy to see that there are pictures with sharp focus and autofocus misses can be as one, and the other way, but with a predominance of the effect of the front focus. And then immediately remembered the experience of using the lens Canon EF 50mm f / 1.8 II, which once I had. In this model, but will not let me lie fellow photo, cases with precision AF never went well. It is believed that the cause of the error in the operation of the system autofocus lens design features are associated with the direction of the maximum decrease in its value. For this reason, the developer does not have potential service program alignment. Everything to simplify and reduce the cost. True, I heard that someone was lucky, and the lens is always exactly focused. I think this is a real stroke of luck coincidence features autofocus those elements that are in the camera, with autofocus drive features present in the lens. But it’s all about the other lens, which is so similar to the subject, and to give them full and detailed comparison is not possible.

Returning to YN 50mm f / 1.8. AF error that occur when using a lens with no full frame cameras Canon 40D, Canon 450D, become completely indecent, when you install the lens on a full-length machine Canon 5D Mark III. This is understandable, because the value of the depth of field (DOF) is inversely proportional to the size of the photosensitive member unit (matrix or film). In this case, the larger diagonal of the matrix, the smaller the depth of field. That’s why all the more obvious inaccuracies focus.

Another annoyance was the failure of the lens to focus the use of cameras Canon 40D and Canon 5D Mark III mode LiveView. And, if in respect of 40D, as the first SLR camera Canon, in which the opportunity to focus mode LiveView, with all the features of the “first pancake” in this area could be something similar to assume that when working with “dimes” nothing to expect and it never occurred. Drive the lens works, trying to lock on sharpness, but after a round-trip stops without completing the job.

In any case, to assess the quality of the image produced by this lens, translate two-position switch on the lens to manual focus (AF – MF). Focusing ring YN EF 50mm f / 1.8, as well as ring Canon EF 50mm f / 1.8, as well as the vast majority of modern ring autofocus lenses for digital cameras, has a small stroke that makes it extremely difficult achieving focus manually.

Below are pictures taken with the camera: Canon 450D, Canon 40D, Canon 5D Mark III, using lenses YongNuo YN EF 50mm f / 1.8 and Pentacon 50mm f / 1.8 (with adapter M42 – EOS EF).

The difference in the viewing angles due to the size differences “working segments” cameras Canon EOS (44 mm) and camera type Practika screw mount lenses M42, which was created this lens (44,7 mm).

To summarize, it must be admitted that, despite some structural differences, which can be assessed without disassembling the lens (a larger number of aperture blades, the presence of the four screw mounts on the end of the lens barrel side mount) compared with the same lens from Canon, name objects YongNuo YN EF 50mm f / 1.8 optics innovation in the ranks does not work. And it’s not so much in the resemblance, but in similarity problematic issues in their work. The lens of a series of the most inexpensive, for which he can forgive a lot, but if in the same sentence to express my impression of the work with him, it would be “not credible.” I would not have chosen it for sequential shooting celebration or an important event, where it is important not to miss the moment, which need the speed and accuracy of focus. For a leisurely portrait shooting, when you can adjust the focus manually, the subject is also not the best choice, because, as mentioned earlier, manual focus constructively organized uncomfortable.

Unfortunately, in my opinion, at the moment the workmanship and on-camera flash units, the LED light at YongNuo higher than the quality of the lenses. But production in China is developing comprehensively and with incredible speed. 10 years ago I had not heard of the company YongNuo. And there is no doubt that in the near future there will be new objectives of this manufacturer. There has been the announcement of the imminent YongNuo YN EF 50mm f / 1.4, which, judging from the photos on the network, again strangely similar to the Canon EF 50mm f / 1.4. And I want to believe that the manufacturer will be able to raise the level of manufactured goods and save on auto-focus elements in the least.

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