From Canon USA
Thank you for using Canon products.
The front rubber grips of some units of the Canon EOS REBEL T4i Digital SLR camera (EOS 650D/EOS Kiss X6i overseas models) may change color (turn white) after a short period of time. Customer support for this phenomenon is described below.
Canon continuously strives to provide our customers with high quality, reliable products that can be used with confidence. We offer our sincerest apologies to any customers who may be inconvenienced.
The front rubber grips of some EOS REBEL T4i units produced in certain lots between May 31st through June 27th, 2012 may turn white after a short period of time. We have determined after inquiry with the rubber manufacturer and analysis, that the white substance is zinc bis (N,N’-dimethyldithiocarbamate).
Zinc bis is not used in the production of this product. However, the quantity of rubber accelerator used in the affected production lots was slightly higher than usual. As a result the rubber grips may turn white due to a chemical reaction with the rubber accelerator and other substances. High temperature and high humidity may contribute to this condition. Zinc bis (N,N’-dimethyldithiocarbamate), which becomes deposited on the rubber surface, is created as a result of this chemical reaction.
Some EOS Rebel T4i digital SLR cameras produced from May 31 through June 27, 2012 may be affected.
You can use the serial number to check whether your camera is affected by this phenomenon. If the sixth digit of the serial number is “1” please follow the procedure below. If the sixth digit of the serial number is “2” or higher, your camera is not affected.
We have added new serial numbers to our system since this Product Advisory was first posted on July 13, 2012. Please enter the serial number of your camera on our website, following the directions below, to determine if your camera needs to be returned to Canon USA for repair. Because the website has been updated, even if you checked your serial number on our website prior to August 1st, please check it again.
Go here to see if you’re affected by this recall.
From Best Buy
We have received various reports from people saying they have purchased the new Canon Rebel T4i w/18-135 STM kits from their local Best Buy stores in the United States. A quick check of store stock in a few areas of the United States showed the kit in stock. Currently web shipping isn’t available.
All of this is good news, unless you ordered from Amazon. I have received a bunch of forwarded emails from people that had their preorder of this kit cancelled by Amazon.
DigitalREV appears to be the first retailer with stock of the new Canon EOS Rebel 650D/T4i w/18-135 IS STM kit. Pricing on the kit will differ depending on where you are located. DigitalREV ships world wide in your native currency in most cases.
Canon EOS Rebel T4i w/18-135 IS STM Kit at DigitalREV
A look inside the Rebel T4i
The folks at Chipworks have torn apart a Canon EOS Rebel T4i/650D to take a look inside. There’s some good explanation about phase detection autofocus as well as a list of the manufacturers used inside the camera.
About Phase Detection Autofocus
Phase detection is where there are pairs of sensors that are blocked left and right (or top and bottom) and from the differences, the camera has the information needed to bring the image into focus. Please remember that teardown articles are generally focused on preliminary analysis because that is all we have at the time of publication (our Technology Blog focuses more on hard facts about the chips). With that in mind, we can see that unlike the Aptina sensor Canon is using a somewhat irregular pixel pattern for phase detection versus Aptina that used a set of regular lines. Our full report will include key information like SEM and bevel analysis to show the implementation in more detail and at higher magnification.
Read the entire article
EF-S 18-135 IS STM Delay?
We’ve received a couple of reports from readers that their orders for the Rebel T4i w/18-135 IS STM kit have been cancelled without much reason given. One of the retailers cancelling the preorder was Amazon.
We’re waiting to hear some clarification on the matter. If your order has been cancelled, please let us know.