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FocusTwist is a Lytro alternative for the iPhone

technologyEdward KiledjianComment

FocusTwist from Arqspin on Vimeo.

FocusTwist is a fresh app that simulates the Light Field Technology intriduced by Lytro (only it costs $2 instead of $400). The app takes several pictures at different focus settings and then creates a Lytro style interactive picture that can be "re-focused" after the fact.
It works best with subjects that don't move in well lit conditions. 
You can see sample picture taken by existing users and shared on twitter here

Use your dSLR as a (cheaper than) Lytro alternative

technologyEdward KiledjianComment

I remember first reading about the (at that time) Lytro camera and was excited about being able to change a picture's Depth of Field after the picture was taken. It meant less shots would get wasted and you could snap a picture almost instantly (since there is no focusing).

The $400 photography revolution that isn't

I am convinced Light Field Technology will revolutionize the consumer photography market in a couple of years. What we have now is first generation and therefore there is plenty of room for improvement.

Although the technology is awesome, I can't justify spending $400 on something I will rarely use. I know people who bought a Lytro hoping to move away from their traditional dSLR but after a short test period came back.

The biggest complaint I heard about Lytro was the picture resolution, high price and low light capabilities.

Get the same effect for free

OK well not for free but using the dSLR you already have. The very cool folks over at Chaos Collective explain how this is done and provide the free tool on their site.

In simple terms, you use your dSLR to take a manual-focus video using the largest aperture possible. Then slowly change the focus for a couple of seconds and save your clips.

How the magic is accomplished

Their software performs the magic by detecting the various focus areas in your video and breaking it down into 20x20 grids than can be clicked. You can upload your photos to their site and get a freely shareable embed code.

Lytro is simpler

Lytro is simpler since all you have to do is press the button and use their software but this solution just saved you $400. If Lytro released v2 with the improvements the market is asking for then I may fork over the money because the tech is great. Until that time, I can play with this little technique.