The YI M1 $699 with two-lens kit is the first consumer-focused Micro Four Thirds camera made by neither Olympus nor Panasonic to hit the market. It's an entry-level model that promises to deliver features that you don't typically get at this price point—including 4K video capture—but sluggish performance and a spotty autofocus system make it a tough sell, especially when you can get our Editors' Choice Sony Alpha 6000 $ at Dell TechnologiesOpens in a new window for about the same price, albeit with a single lens. The Alpha 6000 doesn't have 4K video or a touch screen, but it's a much more responsive camera that consistently captures in-focus images. Design The YI M1 at AmazonOpens in a new window looks a lot like the premium Leica T $1, at AmazonOpens in a new window , with a similar body design and lines. But while the T is a premium model constructed from solid aluminum, the M1 has a plastic body. It's a nice, sturdy plastic finished in matte black. The modest handgrip has a textured rubber feel. Similar Products We received the two-lens version of the M1 for review, which includes a 12-40mm f/ zoom lens and a f/ prime. The lenses aren't offered separately at this time. If you don't want both, you can opt for a kit with just the zoom for $499, and with just the prime for $599. There is no body-only option. The M1 doesn't have a built-in flash, which isn't atypical for entry-level mirrorless cameras. But it also doesn't include an external one, which is an expected bundled accessory for models that omit a built-in. There aren't a lot of physical controls, so the M1 is by and large a touch-screen device. The power switch and shutter release sit on the top plate, atop the modest handgrip. A standard mode dial, record button, and control dial are also on the top. There are only two buttons on the rear—the standard play button and a circle. The circle is used to delete images during playback, or to change the active focus area when shooting. The user interface is largely built around the touch screen. It's a 3-inch display, and while YI states that it has a 1,040k-dot resolution, the Live View feed looks fuzzy to me. This is likely due to internal processing of the feed to the display, as menus and text are very crisp. Viewing angles are strong, but the display is fixed—you can't tilt it to face forward for selifes as you can with Olympus's entry-level Micro Four Thirds model, the E-PL7 at AmazonOpens in a new window . Three circles run along the left of the screen and show the aperture, shutter speed, and EV compensation level. Depending on the mode in which you're working, you can adjust these with a touch or via the top control dial. You can also tap to set the active focus point. The ISO, white balance, metering mode, and other more granular shooting settings are accessible via the menu, which is opened by swiping from left to right. Swiping in the other direction shows the various color output settings in most shooting modes, and also lets you choose a scene when the dial is set to Scene mode. If you have the Mode dial set to C, swiping to the rightmost screen shows a series of portrait poses. Selecting one puts its outline on the main screen, so you can pose a model in the same manner and replicate a shot. It's an interesting addition, but one that seems limited in appeal. The touch experience should be welcoming for photographers weaned on smartphones. But unfortunately it's on the slow side. Animations help to hide the delay when swiping through different menu pages, but there's even a noticeable delay when performing the rudimentary task of swiping from image to image during playback. Connectivity The M1 has both Bluetooth and Wi-Fi for connectivity. Launching the YI Mirrorless app, a free download for both Android and iOS devices, starts the pairing process. It's a seamless process for Android owners, but iOS users will need to manually connect to the M1's Wi-Fi network in order to finish the connection process. The app is pretty basic as far as camera connectivity goes. It lets you browse the images in JPG format only stored on the M1's memory card and download them to your phone's camera roll. You can't transfer Raw images, but you can convert Raw shots to JPG in-camera so you can share them while on the go. In addition to image transfer, the app includes a number of photos of a female model, along with the camera settings that were used to capture each. Two ports—micro HDMI and micro USB—and the SD/SDHC/SDXC card slot are located under a flap on the right side. You charge the camera via micro USB and an included power adapter. YI doesn't currently sell extra batteries for the M1 in its online store, and I couldn't find any on Amazon either, which is a disappointment, as battery life is rather underwhelming and a spare could come in handy. Despite being rated for 450 shots per charge by CIPA, I wasn't getting anywhere close to that on a charge during normal use. Performance The M1 is a slow performer. It takes about seconds for the camera to turn on, focus, and capture an image. Compare that with even a modestly priced name-brand alternative like the Sony Alpha 5000 $ at AmazonOpens in a new window , which does the same in seconds. It does outdo the Alpha in burst shooting—the Sony has a capture rate, where the M1 fires off shots at 5fps. The YI can only manage short bursts—4 Raw or 6 JPG shots. The M1's slow autofocus system certainly doesn't help. It requires about to lock onto a static target, compared with for the Alpha 5000. In very dim light the focus hunts back and forth, taking on average seconds to lock on to a target. For the most part the autofocus system was spot on, but I ended up with a few shots where the M1 simply missed focus, even in bright sunlight. Continuous autofocus is available, but it's not effective for use during burst shooting. In our standard C-AF test, in which we photograph a moving target with C-AF and continuous shooting enabled, the M1 failed to reacquire focus during the burst. When you combine this with the generally sluggish autofocus performance, you have a camera that isn't a good choice for subjects that require quick, accurate autofocus. There are some performance quirks to note. One, you have to choose between Raw or JPG image capture. The M1 doesn't support simultaneous Raw+JPG, but that's probably not a big deal for entry-level customers who will likely stick to JPG. More concerning are crashes. The camera completely locked up on a few occasions during the testing process; the only recourse to reset it was to remove the battery. Image Quality and Lenses The M1 has a 20MP Micro Four Thirds format image sensor, made by Sony. I used Imatest to evaluate its noise performance from the base ISO 100 sensitivity all the way up to the top ISO 25600 setting. When shooting JPGs, the camera controls noise through the entire range, keeping it below percent even when shooting at the very high ISO settings you use in dim light. A great score on paper doesn't always translate into real-world results. The M1 keeps the noise score low by applying in-camera techniques to JPG images. Image quality is excellent through ISO 400, with some slight smudging of detail visible at ISO 800 through ISO 3200. Images start to appear blurry at ISO 6400, and are more blur than image at ISO 12800 and 25600. You can eke more out of the camera, especially at high ISO, by opting to shoot in Raw format. The M1 doesn't apply noise reduction to Raw images, but they aren't ready to immediately share with the world like JPGs. Raw image quality is quite strong through ISO 6400, bettering JPG images in detail. At ISO 12800 there's a lot of noticeable grain, and at ISO 25600 the grain overtakes the noise. We normally review lenses on their own, but since YI isn't selling the 12-40mm or separately, we'll cover them here. To start, neither lens is built well. They feature plastic mounts, and the zoom feels wobbly when extended. Both support 49mm front filters. Manual focus is an option with the zoom, but not with the lens—its focus ring is purely cosmetic. The 12-40mm zoom features a collapsible design with a lock to make it a little bit smaller when not in use. At 12mm f/ it does pretty well on Imatest's average sharpness analysis, netting 2,671 lines per picture height. That's better than the 1,800 lines we want to see at a minimum, but the outer edges of the frame don't hold up in quality, dropping to 1,392 lines. At f/4 the overall score jumps slightly to 2,860 lines, but edges are still soft at 1,595 lines. In field tests there is heavy chromatic aberration, in the form of color fringing, noticeable as you move away from the center of the image. The lens is better at f/ netting 3,068 lines on average with edges that top 2,050 lines. There is modest improvement, with the overall score improving to 3,088 lines and edges showing 2,255 lines. Diffraction robs image quality at narrower apertures—we see 2,792 lines at f/11, 2,127 lines at f/16, and 1,390 lines at f/22. At 25mm the maximum aperture is a meager f/ but image quality is strong at 3,617 lines. Edges are crisp, at 2,795 lines. Performance remains strong at f/8 3,550 lines and f/11 3,293 lines, before dropping at f/16 2,684 lines and f/22 1,625 lines. Images remain crisp at 40mm f/ at 3,407 lines with edges that lag only slightly behind the center. Quality is also solid at f/8 3,329 lines and f/11 3,261 lines, before falling off at f/16 2,613 lines and f/22 1,688 lines. There is some barrel distortion, about percent at 12mm, but it goes away when you zoom in further. Illumination is strong across the frame, delivering results that are within a 1-stop tolerance from center to corner at every tested aperture and focal length. The f/ captures enough light to blur backgrounds of portraits and can help you keep the ISO low in dim light. But it's a very tight, short telephoto design, so you'll find that it's not that useful for snapshots in tight spaces. It has a macro function that locks focus on subjects as close as inches, but cuts the maximum aperture to f/ At f/ it focuses as close as inches. At f/ the prime scores 3,040 lines on our sharpness test, with strong edge performance 2,704 lines. The average score improves as you stop down—3,481 lines at f/ 3,528 lines at f/4, and 3,599 lines at f/ As you narrow the aperture further, it starts to lose quality—3,331 lines at f/8, 3,016 lines at f/11, 2,115 lines at f/16, and 1,350 lines at f/16. Distortion is nominal, and illumination is even from corner to corner. The real issue with the lens is the lack of manual focus capability, which is a big minus for macro photography. Of course, since the M1 is a Micro Four Thirds camera, it can use lenses from Olympus and Panasonic as well, many of which offer higher build quality. Video Video is recorded at up to 4K quality at 30fps, a rarity in low-cost models. Voices are picked up clearly when close to the internal microphone, but obviously without the ability to connect an external mic, the M1 isn't suited for any project that requires pro-grade audio. In our studio test footage, background noise is very noticeable on the sound track. Details are crisp, and the camera automatically switches to C-AF when recording moving pictures. It's a little slow and hesitant to refocus as the scene changes, but gets there eventually. When shooting in 4K, the frame is cropped at the edges, which can limit your wide-angle shooting capability. The rolling shutter is evident in fast pans when shooting in 4K, but it's mitigated by opting for 1080p, especially if you go for a faster 60fps frame rate. You can opt to shoot in 30fps at 1080p if desired, and the intermediate 2K resolution is available at 30fps. But there's no support at all for 24fps capture. The M1 doesn't have any sort of stabilization, either in the kit lenses or in the camera itself, and because of that handheld video is very jittery. Detail is strong, however, so you can expect better results when working from a sturdy tripod. Conclusions The YI M1 is a flawed first effort from a newcomer in the camera market. It has some very strong positives, including a proven 20MP Sony image sensor, 4K video capture, and an attractive price point, especially if you catch a sale. But there are better, more polished cameras available for about the same price, including the Sony Alpha 5000 and Olympus E-PL7. The M1 suffers greatly in terms of speed, focusing slower than competing models, in both bright and dim light, and its touch-screen interface is also on the slow side and prone to locking up completely. When you couple in the lack of an included accessory flash, you get a package that, while budget-friendly, isn't quite the value it promises to be. It's an admirable first effort, with strong bones on which to build and plenty of room for improvement. If YI can take some of the ideas it has put into the M1, polish the edges, and throw some more horsepower into the processing engine, it will have a camera that can compete with the big names. For now, we recommend one of the aforementioned mirrorless models for budget shoppers. Our Editors' Choice is still the Sony Alpha 6000, and if you're looking for something that nets excellent 4K video quality in addition to strong image quality and performance, you should take a look at the Panasonic G7. Pros Compact design. Different kits available. 20MP Micro Four Thirds image sensor. Raw or JPG shooting. 4K video. Touch screen. Wi-Fi. View More Cons Sluggish autofocus and interface. Fixed LCD. Kit lenses are shoddily constructed. Occasional lock-ups. Flash not included. Better entry-level options available. View More The Bottom Line The M1 is YI's first attempt at a standalone camera. It offers attractive features like 20MP photos and 4K video, but is held back by sluggish performance. Like What You're Reading? Sign up for Lab Report to get the latest reviews and top product advice delivered right to your inbox. This newsletter may contain advertising, deals, or affiliate links. 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Bugünekadarki en güçlü Mac serisi. M1 ve M2 çiple süper güçleri var. MacBook Air, MacBook Pro, iMac, Mac mini, Mac Studio ve Studio Display.

The Yi M1 is a very compact camera that offers an interchangeable lens system and is based on Micro Four Thirds sensor technology. It offers a resolution of 20MP and is able to record 4K video. Editor’s Note Lab Review lab tests and comments are supplied by BetterNet, Shutterbug’s TIPA-affiliated testing lab and edited by George Schaub. TIPA is a worldwide association of photo and imaging magazines. In 2016, Yi Technology announced it would be developing a new mirrorless camera based on the Micro Four Thirds sensor standard. Yi Technology is primarily known for action cameras or IP web cameras, but wanted to get into the photography camera business and launched the M1 mirrorless digital camera this year. The Yi M1 launch was accompanied by two new MFT lens systems. We did our tests with their zoom lens, the 12-40mm f/ In addition, Yi Technology offers a f/ lens as a portrait lens. Because of the crop factor of the Yi M1, this lens is an equivalent to a high-speed 90 mm focal length. During the test we also used a Panasonic Lumix G VARIO 14-140 mm f/ ASPH / POWER which worked well with the camera. Features, Build & Handling The Yi M1 mirrorless camera uses a 20MP sensor with 5184 x pixels. It offers an additional image mode that will interpolate this data to create a 50MP file. We do note that compared to the camera-interpolated file the Raw file interpolation in Adobe Photoshop is superior. The camera records raw images in DNG format, thus the M1 Raw files can be converted and optimized in nearly every imaging software program. The M1 camera has no integrated flash system but offers a standard hot shoe for external flash systems. The Yi M1 has a stylish design. This test was done with the Yi zoom lens that offers a focal length of 12 to 40 mm equivalent 24-80 mm due to 2x crop factor of the Micro-Four-Thirds sensor. In contrast to many other Micro Four Thirds mirrorless cameras, the handling of the Yi M1 is based on its LCD screen and gesture control. The M1 camera has a mode dial on the top which offers standard exposure modes like P, S, A and M. A second dial – which is also seamlessly integrated into the top of the camera – is used as a parameter dial. There are only two additional function buttons on the back – so to change nearly all parameters and settings the user will need to use the touch screen on the back. The Yi M1 offers a single card slot that is compatible to modern SD cards like SD, SDHC and SDXC. The M1’s 3-inch screen offers million RGB dots, a standard LCD screen in size and resolution. The first button on the back is used as a playback button to present images and videos on the screen the second button is used for AF modes for example single AF area or multi AF area mode. The screen on the back of the M1 camera is used as the main menu. It is split into three basic “panels” or “index cards.” To toggle between these cards the photographer uses gesture control, familiar to smartphone photographers swipe to the left and right. A touch on the desired icon will open its settings. To change these settings the photographer can use the parameter dial on the top or the touch screen. The 3-inch screen on the back is used to set up nearly all parameters as well as two additional function buttons and a parameter dial on top. Besides standard exposure modes P, S, A, M the Yi M1 offers scene modes like “portrait shot”, “landscape” or “firework”. To get access to all of these modes the photographer has to switch the setup dial on the top to the scene mode. Comments on Image Quality Color The white balance system of the Yi M1 works very well. The GretagMacbeth chart was reproduced with very neutral colors. All gray patterns are located exactly in the center of the chart. However, image saturation is a little low. The mean color saturation in this chart is percent nevertheless, the camera creates very natural looking colors. The Yi M1 showed nice skin tones and a good differentiation of red nuances in our portrait shot. The intense sharpness filtering done by the image processor creates a slightly artificial look in fine structures like the hair. Sharpness The Yi M1 reproduced the ISO 12233 chart with 3384 of 3888 lines per picture height, which is a very good result. Sharpness is high, but is also enhanced and intensified by the image processor. The ImaTest showed a very “hard” graph in the contrast lines, where we noticed sharpening effects like a double contour line between black and white elements. This causes a slightly artificial and “digital” look in JPEG images using raw file format will prevent these effects. The automatic exposure system worked well. The Yi M1 created a well-balanced version of our standard test box. The exaggerated contrast lines are noticeable in the center of the Siemens star on the left. Noise The camera showed a good performance in our noise tests. Up to ISO speed 25600 the y-factor is below percent. But the Yi M1 sometimes cancels out this good result by use of very intense anti-noise filtering, which can blur image details. Still and video results are similar. The white balance system of the Yi M1 worked very well. The GretagMacbeth chart was reproduced with very neutral colors. All gray patterns are located exactly in the center of the chart. Dynamic range is on an average level for MFT cameras. The Yi M1 achieved a maximum of f-stops at ISO 200 mode, but dynamic range drops to 8-9 f-stops in higher ISO speeds and shows a significant loss in its maximum ISO speed setting. Video Format and Handling The Yi M1 is able to record 4K video in UHD resolution of 3840 x 2160 pixels. In addition, it offers a more “exotic” 2K mode with 2048 x 1536 pixels and Full HD recording with 1920 x 1080 pixels. 4K recordings are done at 30 frames per second while Full HD mode offers 60 frames per second. The camera uses the MP4 files format with compression to save video clips onto its SD card. To start video recording the photographer has to use the additional record button on the top marked with a red dot, located in the center of the mode dial. By pressing this button the camera automatically switches into AUTO mode - irrespective of the chosen photo mode. Changing ISO speed mode isn’t allowed. The photographer is able to correct auto exposure settings by using the EV compensation by 5 EV stops. Comments on Video Quality The camera performed well in our video tests, but also showed some issues. The ISO 12233 chart was reproduced with 1747 of 2160 lines per picture height, which is an excellent result. But just like in photo mode this result is based on an intense sharpness filtering and an artificial boosting of contrast reproduction by the camera. In Full HD mode the look is more natural The camera reproduced this test chart with 888 of 1080 lines. We do note that when using the zoom function of the camera the AF system gets a little confused as it attempts to correct the settings, which all camera do to an extent, but we feel that this performed worse than simple camcorders. The color reproduction is similar to color reproduction in photo mode. The white balance setting is nearly perfect there are only minor shifts of colors compared to its given values. The Yi M1 camera doesn’t offer manual exposure settings in video mode so we can only provide a single result for noise results and dynamic range tests. Our videos were shot at ISO 200 and show an average noise result. The Yi M1 mirrorless camera sells for $299, body only. The Yi lens with Macro Mode sells for $199. More info on Yi's website. Pro + Very compact camera + Compatible with MFT lenses + Very affordable + Comfortable handling for photographers who are used to smartphone control Con - Missing viewfinder - Missing integrated flash system - Image quality in JPEG mode shows some issues UPDATE Yi Technology has announced it will release new firmware for the M1 camera this fall, which addresses the JPEG issues, improves autofocus time and response as well as adding manual exposure settings in video mode. Users can try out a Beta version here Lab Review is where we publish web-exclusive lab reports on cameras. To read more Lab Reviews, click on the Reviews tab on the top navigation bar of this page. New photo gear reports are published frequently, so check Reviews for more equipment evaluations from Shutterbug writers.

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Price History Recent Price juta Xiaomi Yi M1 Pros & Cons add_circle Harga terjangkau add_circle Mudah untuk dioperasikan add_circle Bisa mengatur dengan layar sentuh remove_circle Tidak ada jendela bidik viewfinder Summary Xiaomi meluaskan bisnis mereka dengan merambah dunia fotografi dengan merilis kamera mirrorless Xiaomi Mi M1. Produk ini masuk ke pasar entry level berkat banderol harganya yang relatif terjangkau. Untuk spesifikasi dapur pacu, Xiaomi menggunakan lensa 20MP bersensor IMX269 buatan Sony. Jadi tak usah diragukan lagi kemampuan sensornya. Yi M1 juga mampu merekam video beresolusi 4K dengan 30 frame per second. Selain itu ada pilihan resolusi 2K 30fps serta full HD, dan HD. Xiaomi juga turut menyematkan panel layar LCD touch screen sebagai navigasi menu dan dikombinasikan dengan setting UI Xiaomi yang gampang dan mudah untuk dioperasikan oleh pemula maupun profesional fotografer. Secara desain, kamera Xiaomi M1 ini terlihat minimalis dan elegan berkat material unibody metal yang digunakannya. Kamera mirrorless Xiaomi ini hanya memiliki berat 280 gram, sehingga ringan dan tidak akan membebani bawaan ketika dibawa berpergian saat sedang hunting foto. Price History Recent Price juta Articles Thecamera's astonishing 65x Optical Zoom (21mm-1365mm) Wide-Angle Lens with Optical Image Stabilizer combines tremendous flexibility with portable ease. Capture close-ups, wide shots and everything in between with beautiful quality thanks to a 16.1 Megapixel* High-Sensitivity CMOS Sensor and Canon's latest DIGIC 6 Image Processor that. ^{TinThể Thao 24h mới nhất, bản tin thể thao 24/7 hôm nay, xem lịch thi đấu, hình ảnh, video clip, tin nhanh các môn thể thao hấp dẫn tại Báo VnExpress.} KsApSG. 164 202 51 296 408 8 393 348 113

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