Gadgetell | Tech News, Reviews, and Interesting Things

I’m a firm believer it’s pretty hard to go wrong with a Canon.  So, I was curious to see how the latest in their G-series measured up to its predecessor, the G9.  It seems as though they did pretty well.

Canon’s latest in their Powershot family is the G10.  It has some changes from the G9, although some of the problems that existed with the G9 are still present.  But, if you are looking for a good prosumer camera, without a “pro camera” price tag this one just may fit the bill nicely.

So what separates it from the G9?  Keep reading.

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Photographers have been messing around with 3D photography for years.  It just hasn’t been a nice and easy, already developed for them, consumer-friendly, point and shoot 3D camera they were using to take the photos.  Some photographers were rigging up their own cameras to get the effect, some doing it in post-processing.  Some, used much less user-friendly four lens cameras that did exist out there, just not with the best picture quality.

Fujifilm is hoping to remedy all of that with their development of their 3D camera.  The way it accomplishes the 3D effect is to use two lenses and two sensors.  The lenses are about 6 to 7-cm apart, which is the width between the average person’s eyes.  These lenses and sensors take different pictures from different angles simultaneously.  Then, it combines the different pictures to create one image that is displayed on the camera’s 2.8-inch, 230,000 pixel LCD screen. 

Read more about 3D cameras after the break.

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When it comes to cameras, there is a great big variety to choose from, from camera phones to point and shoot to those fancy SLRs.  It seems like every company is trying to sell you on the fact that you need their model.  So, how do you know which one is right for you?

It’s about you

What it boils down to is what you are actually going to be doing with your camera.  Are you just going to be taking a few pictures to email to your friends of you guys hanging out in the dorm partying?  Do you want one that you can use to take shots of little Johnny playing soccer?  Are you into wildlife photography?  Do you want one where it does all the work for you, or do you want to have full control over the settings?

There’s plenty more after the break.  Gadgetell’s resident photography expert, Jodie Andrefski, lays it all out for you.  Plus, get some tips on how to make any of your photos better.

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Just about anyone who has ever shot a wedding or a sporting event and tried desperately to get that almost unattainable shot loved their Canon 200mm f/1.8L lens. It offered up a great combination of focal length and aperture speed which made those otherwise unattainable shots possible. So, back in 2003 when Canon went and announced they were actually discontinuing that lens, you could practically hear the tears and shocked gasps of photographers around the globe. Now, finally, five years later, Canon announced the replacement for this legendary lens: the Canon 200mm f/2L IS.  Can you almost hear the crowds clapping in glee?

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Those that have seen the Harry Potter movies may remember his magic cloak that enabled him to be invisible from those around him. Sounds a bit fantastical and far-fetched doesn’t it? Well, the future may be closer than you think.

The ability to hide something from sight, is usually accomplished by using what is known as a superlens. This type of lens contains a negative refraction index,  the “refraction” part obviously meaning bending. In this case it allows it to bend electromagnetic waves back upon themselves. So, as a result, the object appears “invisible.“ Voila! No bulky cloak even needed.

Although superlensing isn’t exactly yet feasible for making something huge like a military warship invisible, there is still promise for more standard large objects. This is being done using copper-based meta-materials to create a type of cloaking cylinder.  Work is also being done on the lenses by Graeme Millton, of the University of Utah, who is currently working in mathematical models for the superlenses. 

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