Posts Tagged ‘testing’

I Sing of OLAF: Lensrentals Names Its New Gizmo, May Offer Optical Testing for Cheap

rogerfocus

I have a couple of things to talk about today. First, is to announce the winner of our name the new machine contest. Second is to answer about 1,000 people’s questions regarding optical testing and adjustment. Read more…

Video: Torture Testing the Front Element of Canon’s ‘Thrifty Fifty’ 50mm f/1.8 II

Photographers commonly place UV filters on the front of their camera lenses in order to protect the glass front element. Aside from preventing dust buildup, the filter also takes the brunt of any impact seen by the front of the lens. If you have to have some glass shatter, you’d rather it be a relatively cheap filter compared to an entire lens, right?

But how easy is it to damage or destroy the front element of a lens? Photographer Richard Choi had the opportunity to find out a few years ago when he found a bricked lens on his hands.
Read more…

Testing Out Sigma’s Lens Calibration USB Dock and Optimization Pro Software

sigmausbduck

“Commerce makes progress. Fortune passes everywhere.” – Frank Herbert

A few years ago I was accused of being a Sigma hater. (For the record, I did hate their quality control and so-called repair service at that time, and I didn’t hesitate to say so.) For the third or fourth time in the last year, I’m about to be accused of being a Sigma fanboy.
Read more…

Stabilized Canon 24-70mm f/2.8L On the Way, But May Be A Year Away

canon2470mmf28is

After the Canon 24-70mm f/2.8L Mark II was announced at the beginning of this year, many photographers were disappointed that it didn’t include Image Stabilization. When October rolled around, there were new rumors that Canon had an IS version of the 24-70mm up its sleeve. The company did, but it wasn’t what people were expecting. When the new IS lens was unveiled in November, it was an f/4 lens rather than an f/2.8.

If you’re one of the many people who wanted both the convenience of having IS and the benefits of having f/2.8, here’s some good news: there is indeed a 24-70mm f/2.8 IS on the way.
Read more…

Facebook ‘Photo Syncing’ Uploads Your Smartphone Photos As They’re Shot

Facebook is testing out a new feature for its Android mobile app called “Photo Syncing”. The feature automatically backs up your smartphone’s photographs by uploading them to Facebook as they’re shot, tucking them away inside a private “Synced from Phone” tab on your photos page that isn’t visible to anyone but you. You can then later choose which photos you’d like to make private and which you’d simply like for Facebook to hold on to.
Read more…

Behind the Scenes with Camera and Lens Testing Service DxO Labs

Stephen Shankland over at CNET has written an interesting behind-the-scenes look at how DxO Labs — one of the world’s premier camera testing services — evaluates equipment. DxO Labs is based near Paris, France and was the result of a 2003 spinoff from a company called Vision IQ, which specialized in swimming pool safety. Since then, the group has published over 185 in-depth camera reviews on its website DxOMark.
Read more…

MIOPS: Smartphone Controllable High Speed Camera Trigger

MIOPS is a new smartphone-controlled camera trigger that combines all of the features photographers want in a high-speed camera trigger into one convenient device.

Read more…

Test the Shutter Speed of Your Camera Using a TV or Monitor

Wondering whether or not the shutter speeds on your camera are accurate? Instead of taking it to a shop or buying expensive testing equipment, you can use an old television or CRT monitor as a simple shutter speed tester! Camera enthusiast Rick Oleson has an easy to understand diagram showing what you can expect to see from the screen at different shutter speeds. For a more technical explanation and tutorial, check out this article that appeared in a 1967 issue of Popular Science.

You already own a shutter speed tester [Rick Oleson]

How Dust and Damage on Lenses Affect Image Quality

This photograph was taken by a lens with some “obstruction” on the front element. Aside from the blurry patch of nastiness in the bottom portion of the frame, the rest of the image looks pretty decent. What do you think the “obstruction” is? A little dirt? A smudge where the photographer accidentally touched the front element? A scratch? The answer is a little closer to a scratch than a smudge…
Click here to see the answer

Fujifilm FinePix X100 Sensor Found to Outperform Micro Four Thirds

Turns out Fujifilm’s new FinePix X100 isn’t just nice to look at — DxOMark just published results from testing the camera’s APS-C sensor, finding that it delivered better results in all aspects compared to the best Micro Four Thirds camera sensors (namely the Olympus PEN EP2 and Panasonic Lumix DMC GH2) and rivals the quality of the best APS-C sensors found in DSLR and SLT cameras. Now if only the camera would start becoming available here in the US…

Fuji X100 sensor measured on DxOMark.com (via 43 Rumors)

Extreme SD Memory Card Testing

Remember Sid, the “disturbed, hyperactive, sadistic 10-year-old boy” in Toy Story that abuses his toys? This viral ad for Samsung SD cards shows what it would be like if Sid grew up and became interested in photography.

Something tells me memory card makers don’t usually test their products quite like this.

(via Laughing Squid)