Posts Tagged ‘aperture’

Tony Northrup Makes Corrections, Replies to Critics in Part 3 of Camera Spec Debate

In this third — and final? — installment of his “camera companies are lying to you about crop factor” series that has caused such a stir, Tony Northrup hopes to silence the critics, make some corrections, and overall bring this debate to a close. Read more…

Tutorial: Short, Sweet Workflow for Editing Street Photography in Lightroom 5

When it comes to street photography, much of the aesthetic appeal is the limited editing that usually takes place (or doesn’t take place, I guess), leaving the story and subject the focus of the image instead of creative editing. But that’s not to say that editing should be left out of the equation or completely disregarded.

If you’re wondering where that line should sit, this tutorial by Swiss street photographer Thomas Leuthard shows you what he does when he imports his street photos into Lightroom 5. Read more…

This is What Photos Captured with a 50mm f/0.75 Lens Look Like

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You might think you have a fast lens if it tops f/1.2 or f/1.0, but that’s nothing compared to the De Oude Delft 50mm f/0.75. It’s one of the fastest lenses in the world, and — compared to other super speedy lenses — isn’t that expensive.
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Samyang Says No AF Lenses on the Way, But Not Because They Don’t Want To

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Dicahub recently sat down with a Samyang Optics rep at the P&I Show 2014 to talk about future plans and help clear up some of the rumors that have been floating around about what the company has in store. Read more…

A Concise Explanation of How Crop Factor Affects Both Focal Length AND Aperture

Editor’s Note: Due to some issues with the camera, this video is very shaky at times. It didn’t bother us much, but if you’re easily distracted this video might annoy more than it educates you. You’ve been warned.


If you’re just getting into the world of cameras and lenses, the term “crop factor” and phrases like “this is a 35mm equivalent lens” might still confuse you. Well, that shouldn’t be the case much longer.

The video above offers a clear, concise and simple explanation of crop factor that will hopefully clear all of this up and equip you with some important knowledge that will come in handy the next time you’re shopping for a lens or crop sensor body. Read more…

Canon Shows Off the Inner Workings of Its Lenses in Cool CES Demos

Unfortunately, what with major changes at the helm and making sure that we hit 2014 running, we weren’t able to make it to Vegas for CES this year. And I say unfortunately because, not only does it mean we’ll have to wait a minute to get hands on with some of the new releases, but it also meant missing cool demonstrations like the ones you see above.

The video was filmed by Stan Horaczek over at Popular Photography and it shows the demos that Canon is currently running on the showroom floor to tempt CES attendees over to its booth. Read more…

Carl Zeiss Super-Q-Gigantar 40mm f/0.33: The Fastest Lens Ever Made?

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If you thought the Zeiss f/0.7 lenses we shared yesterday were impressive, check out this crazy piece of glass: it’s the Carl Zeiss Super-Q-Gigantar 40mm f/0.33. It’s what some people call the fastest camera lens ever made.

Is that claim true? Well, yes and no… but mostly no.
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Zeiss f/0.7: You Can Now Rent Two of the Largest Aperture Lenses Ever Made

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Want to capture images of a scene that’s lit purely with candlelight? You can now rent a pair of Zeiss f/0.7 lenses — two of the largest aperture lenses ever seen in the history of photography.
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Sigma May Be Building a Groundbreaking 24-70mm f/2 Lens for Full Frame Cameras

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Sigma has been on a tear as of late. Since late 2012, the company has put out a highly regarded 35mm f/1.4 lens, a novel USB dock that lets you calibrate lenses at home, and a revolutionary 18-35mm lens with a constant f/1.8 aperture (shown above).

It appears Sigma is only just getting warmed up: new rumors suggest that Sigma may be building a 24-70mm zoom lens for full frame cameras that boasts a constant f/2.0 aperture.
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Sigma’s Game-Changing 18-35mm f/1.8 Zoom Lens to Cost Just $799

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Sigma shook up the camera world back in April by announcing its new 18-35mm f/1.8 DC HSM lens — the world’s first zoom lens with a fixed maximum aperture of f/1.8. It turns out the revolutionary lens will have a revolutionary price tag as well: the company announced today that the lens will cost just $799.
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