Posts Tagged ‘lightleak’
Canon has received some pretty bad publicity over the past month due to the 5D Mark III’s “light leak” issue — a relatively minor flaw in which light from (or through) the LCD panel can affect the camera’s exposure readings in extremely dark environments. Last week Canon finished investigating the issue, and reported that it only affects a certain range of serial numbers, suggesting that the company has implemented a fix for newer bodies. It also announced that service centers would be providing free “inspections” for owners concerned about this issue.
If you were wondering what kind of fancy fix the company came up with, here it is: tape. The folks over at LensRentals received a batch of newer 5D Mark III cameras, and took one apart to compare with the old version. They found that the innards under the LCD screen are now covered with a large strip of black tape. And yes, the problem is gone.
Over the last couple of weeks we’ve covered every aspect of the Canon 5D Mark III “light leak” issue. Starting initially as a rumor, Canon eventually confirmed that the camera’s top LCD did, in fact, alter the exposure reading by 1/3 of a stop in dark environments. A week ago the company even put shipments on hold while they investigated the issue more extensively. Read more…
Canon has begun informing retailers in the UK and Canada (and probably other regions as well) that shipments of the Canon 5D Mark III have been put on hold as the company investigates the “light leak” issue that has come to light over the past month. Widely discussed in the blogosphere and on forums, the issue — which some have dubbed “leakgate” — is now known to cause a 1/3 stop error in exposure in very specific situations (i.e. scenarios that will not affect the vast majority of photographers).
(via Canon Watch)
Further to your enquiry we would like to inform you that we very recently (in April) have become aware of this and is now a known issue with the EOS 5D Mark III model. The AE sensor in the camera detects the light from the LCD panel when it is turned on and the exposure value will be altered. The change is not significant as it will be altered by approximately 1/3rd of a stop but can be noticeable. You can continue to use your 5D Mark III and the LCD screen can be turned off to receive the correct exposure.
The video above shows examples of what this 1/3 stop difference does for nighttime photographs. The issue definitely isn’t a huge one (don’t cancel your orders), but the 5D Mark III is a $3,500 camera and it’ll be interesting to see how Canon decides to deal with this flaw.
Earlier this month, reports started emerging that Canon’s new 5D Mark III DSLR has a “light leak” issue. Photographers found that turning on the LCD backlight in a dark room directly affects the camera’s metering system (as seen in the video above). Canon published a product advisory today acknowledging the issue, saying,
In extremely dark environments, if the LCD panel illuminates, the displayed exposure value may change as a result of the AE sensor’s detection of light from the LCD panel.
The phenomenon [...] has been confirmed when using the Canon EOS 5D Mark III Digital SLR Camera. Canon is now examining the countermeasures and once the countermeasures are decided, we will post the information on our Web site.
Problem is, the issue isn’t limited to the LCD’s backlight in a dark room. Apparently any light (e.g. sunlight) shining onto the LCD screen can affect exposure.
When Apple unveiled the iPhone 4, they also showed off a white version that would be available alongside the black one. Since then, however, the company repeatedly pushed back the launch date for the white version, claiming that the white one was, “more challenging to manufacture than we originally expected”. Now, Cult of Mac is reporting that the problem has to do with the camera design, with the white semi-translucent glass causing light leaks and washing out photographs taken with the phone.
The white iPhone 4 can’t take accurate photographs. The handset’s semi-translucent glass case leaks light in, ruining pictures taken with the internal camera, especially when the built-in flash is used.
“You don’t get accurate pictures on the white iPhone because of the color of the glass back. It washes out the pictures,” said a source with connections to Apple who asked to remain anonymous.
Too bad — they should have released the “broken” ones as a special edition for photo enthusiasts who like low-fi photography.
Thanks for the tip Udi!