Pentax K-1 II vs Sony A7R II
Автор: World Photo Magazine
Загружено: 2018-08-10
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Pentax K-1 II vs Sony A7R II
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Pentax K-1 II
A couple of years ago, at the start of 2016, Ricoh finally answered the calls from Pentaxians for a full-frame DSLR with the arrival of the Pentax K-1. We were seriously impressed by the weatherproof, 36-megapixel K-1, which paired great ergonomics with a lengthy laundry list of features, some of them completely unique to this camera.
Two years down the line, the K-1 has now received a followup in the form of the Pentax K-1 II. If you're familiar with the earlier camera, you already know most of what you need to about its successor, as the two are near-identical in most ways. There are changes in just a few key areas.
So what's new? Well, most importantly the Pentax K-1 II now features the same accelerator unit which made its debut in 2016's Pentax K-70, and was also sighted in the 2017 model year Pentax KP. So what, exactly, does this new unit do? Ricoh has played its cards pretty close to its chest thus far, but we can make an educated guess that it's being used to assist the main PRIME IV-branded processor with denoising.
The reason we can draw that conclusion is that the Pentax K-1 II's performance is basically unchanged from that of its predecessor. Full-resolution, full-frame burst capture is still limited to a maximum of 4.4 frames per second, while the 15-megapixel APS-C crop mode has slowed ever so fractionally from 6.5 to 6.4 fps.
But while burst capture speed is unchanged, the K-1 II's maximum ISO sensitivity soars a full two stops beyond what the K-1 could manage. Just as did the sub-frame Pentax KP before it, the K-1 II offers everything from a minimum of ISO 100 to a maximum of ISO 819,200, but it does so with a much larger full-frame sensor, so we'd expect more of the high ISO range to be usable than was the case with the KP.
Sony A7R II
Sony's full-frame A7-series cameras have been a smash hit. Now, the Sony A7R II takes it to the next level with a more comfortable body, an impressive on-chip phase detection autofocus system, five-axis in-body image stabilization, better third-party lens support and in-camera 4K video capture. (And that's just a few of its high points!) Is it time you made the jump to a full-frame mirrorless camera, or upgraded from an older Alpha model? Find out now in our in-depth Sony A7R II review!
Pros:
Superb image quality; Very high resolution; Surprisingly good high ISO performance; Fast autofocus; Compact, comfortable body with lots of customization potential; Bright, roomy and clear viewfinder; Tilting LCD display; Five-axis stabilization; Intuitive Wi-Fi / NFC connectivity.
Cons:
Movie button is poorly located; No touch screen; Not as fast to start up or shoot photos as a similarly-priced SLR; Rather slow buffer clearing; No built-in flash; Single card slot; Not weather-sealed to the same degree as some rivals
You knew it was coming. The higher-resolution "companion" to the Sony A7 II and much-anticipated update to the Sony A7R has arrived. The aptly-named A7R II shares the much-improved ergonomic redesign introduced by its A7 II sibling, as well as presenting a whole host of new features and technology aimed at providing the utmost in image and video quality as well as performance.
With its new sensor, the A7R II not only gains a notable boost in resolution from 36MP to 42MP , but it also provides a noticeable boost in high ISO sensitivity -- up to an expanded ISO 102,400 -- thanks to the back-side illuminated design and powerful BIONZ X image processor.
And now, for the first time in the "R" version of the A7-lineup, the A7R II features on-sensor phase-detect AF, which Sony claims provides up to 40 percent faster AF performance compared to the original. The A7R II's focusing system offers the world's widest coverage area of phase-detect sensor at 45-percent of the frame thanks to the whopping 399 phase-detect AF points (which is huge bump up from the 117 PDAF points of the A7 II).
With the original A7R, burst shooting performance was not one of the camera's strong suits, with a rather paltry 4fps burst rate without continuous AF and a measly 1.7fps with C-AF. Now, with the A7R II.
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