Fujifilm X-T2 mirrorless camera. Free Technical Library News

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Fujifilm X-T2 mirrorless camera

08.07.2016

Fujifilm introduced the X-T2 mirrorless camera. The novelty uses a Fujifilm X-TransTM CMOS III APS-C 24,3 MP image sensor that does not have an optical low-pass filter, which increases the detail of images. Data processing is entrusted to the X Processor Pro processor. The camera turn-on time is only 0,3s, the interval between shots is 0,17s, the shutter release delay is 0,045s.

The manufacturer notes that even with an increase in resolution of one and a half times compared to the X-T1 model, progress in the field of noise reduction made it possible to introduce ISO 12800 into the main sensitivity range, which in the X-T1 belonged to the extended range. Extended range now limited to ISO 100 and 51200 The camera is said to keep noise low, producing deep blacks and smooth tonal gradation even at very high ISOs when shooting in low light.

Innovations include the ACROS mode for creating black and white images that are superior in quality to images obtained with the previous Monochrome mode. The X-T2 also features a "Grain Effect" that captures the signature character of film shots.

Another innovation is 4K video recording (at up to 30 fps) and a bit rate of 100 Mbps. At 1080p, the frame rate can be increased up to 60 fps. Film Simulation modes can also be applied to video. Supports Clean HDMI video signal and F-Log gamma correction.

The camera uses a hybrid autofocus system with an increased number of points compared to the previous model. In the description of the camera, the manufacturer draws attention to the user settings of the AF-C mode.

In the equipment of the device, one can distinguish an electronic viewfinder of the OLED type with a resolution of 2,36 million dots, which is characterized by a magnification of 0,77x and an inertia of only 0,005 s. The equipment also includes a movable three-inch display, two SD slots, a Wi-Fi module. The body of the X-T2 is made of magnesium alloy and sealed, which ensures protection against dust and moisture. The chamber keeps working capacity at temperatures up to -10 °С.

Camera dimensions - 133 x 92 x 49 mm, weight - 507 g. Without recharging the battery, you can take 340 shots. The optional VPB-XT2 battery pack, also dust and moisture resistant and capable of operating in temperatures as low as -10°C, holds two batteries for a total of up to 1000 shots. The battery pack has duplicated shutter button, focus point selection joystick, AE-L and AF-L buttons, command dials, and Q and Fn buttons. Camera accessories also include the BLC-XT2 leather case and the MHG-XT2 optional grip.

Suggested retail price Fujifilm X-T2 - 1600 USD, with lens XF18-55mmF2.8-4 R LM OIS - 1900 USD.

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Water turns into fuel 16.09.2012

A group of scientists from the California Institute of Technology has uncovered the mechanism of the cobalt catalyst, which is able to effectively split water and extract hydrogen from it. The scientists added a set of ligands to cobalt and were able to slow down the water splitting reaction in order to study its chemical mechanism in depth.

Scientists and engineers around the world are working to find alternative energy sources. In particular, over solar fuel cells, which will produce hydrogen during daylight hours in order to subsequently turn it into an environmentally friendly high-performance fuel. However, it has not yet been possible to find reliable catalysts necessary for cheap water splitting. Platinum catalysts are quite effective, but platinum is too expensive a metal for this purpose.

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Scientists now know that to produce hydrogen using cobalt catalysts, all you need to do is add electrons. It remains to be found compounds that could supply extra electrons, or create a combination of cobalt with extra electrons already present in it, but this work does not seem difficult to researchers.

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