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Posts Tagged ‘Pull’

DPRSplit will help pull more dynamic range from Canon 5D Mark IV Dual Pixel Raw files

14 Feb

RawDigger and FastRawViewer have released the beta version of an application called DPRSplit, designed for Canon 5D Mark IV owners. With DPRSplit, photographers can input a CR2 file from a Canon 5D Mark IV and then extract a second image from it, one with an exposure value that is about one stop lower than the original CR2 image.

This utility works only if the camera’s Dual Pixel Raw mode was enabled when the shots were taken.

Canon explains how this technology works on its website:

The Dual Pixel sensor’s pixels have a dual photodiode construction. This sensor design means the sensor can receive an A and B signals from the subject and to detect any phase differences between the two signals, allowing them to attain focus as part of the Dual Pixel AF system … During Dual Pixel RAW shooting, a single RAW file saves two images into the file. One image consists of the A+B combined image data and the other only the A image data.

Photographers benefit from this technology by using Canon’s Digital Photo Professional software, which enables users to make “microadjustments” to focus, bokeh shift, and reduce ghosting. However, the software doesn’t enable users to extract both images from the CR2 file separately—that’s where DPRSplit comes in.

With this utility, photographers get access to that second frame, which has half the light of the composite image. This means that, in essence, the camera is automatically capturing two shots, bracketed by about 1EV.

Extracted images are saved as DNG files for editing with any software that supports the format, so you can blend the images back together and get about +1EV more usable dynamic range. And since the exposures are captured simultaneously, you don’t have to worry about motion blur in your image. The only potential “issue” is a minor parallax error between the two frames.

DPRSplit beta 0.8 is free to download for Windows 7 or higher and Mac OS X 10.6 through macOS 10.13. As with any beta software, it is possible users will encounter bugs, but if you’re a 5D Mark IV user and you already shoot in Dual Pixel Raw, this one might be worth a shot.

Articles: Digital Photography Review (dpreview.com)

 
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Just Pull Some Strings: 8 Easy Transforming Furniture Designs for Lazy People

21 Mar

[ By SA Rogers in Design & Furniture & Decor. ]

gesture controlled transforming furniture

When you’re lazy, even the most intuitive transforming furniture isn’t easy enough to operate unless it’s on the same level as clapping your lights on and off. Luckily for those of us who fall into this category, some furniture makers are creating multifunctional designs for small spaces that work their magic at the push of a button, the pull of a string, a flick of the wrist or even a mere gesture.

Retractible Ollie Chair by RockPaperRobot

ollie chair gif

ollie chair flat pack

ollie chair

ollie chair

You really have to watch the video of how this chair works to fully appreciate its brilliant simplicity. It starts as an entirely flat panel of slatted teak wood with a slight curve at the top. Pick it up, pull a string and the whole thing unfurls into a seat in a single fluid motion that’s very satisfying to watch, and it works the same way in reverse. The slats are affixed to a textile canvas to make the seating flexible, and the rest takes folding inspiration from origami.

A-Board Flat-Pack Shelf

a-board

a-board 2

This bookshelf starts as a flat piece of laser-cut plywood. Yang the orange ribbon on the back, and it will pull the shelves down perpendicular to the face so you can rest the whole thing against a wall and use it as a bookshelf. Designer Tomas Schön used a laser-cutting technique to bend the wood instead of hinges, and there’s no other hardware or even glue involved.

MIT Media Lab CityHome

MIT cityhome

MIT cityhome 2

MIT cityhome 3

Still not easy enough for you? How about commanding your bed to slide out with a gesture of your hands? MIT’s robotic ‘home in a box’ can pack a full, spacious-feeling apartment into 200 square feet of space, including a bed, workspace, dining table for dix, storage and a mini kitchen. The box uses built-in sensors, motors, LED lights and low-friction rollers to respond to your voice commands or gestures.

Ori Robotic Home Controlled via Smartphone App

ori robotic home

ori robotic home 2

ori robotic home 3

There are all sorts of complex transforming furniture systems designed to fit maximum function into small spaces, but how many of them are operated through a smartphone app? The Ori system (taking its name from the prefix of ‘origami’) runs on robotic technology, featuring an on-device user interface as well as an app for your handheld device so you can press a button to initiate various configurations, like the bed sliding out, the table folding down or the entire unit moving to tuck itself against a wall to open up the floor area.

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Just Pull Some Strings 8 Easy Transforming Furniture Designs For Lazy People

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[ By SA Rogers in Design & Furniture & Decor. ]

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Bar Breakers – Calisthenics Workout on the Pull Up Bar

07 Jan

From the first part of yesterdays workout.

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