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 Monday, June 25, 2012
I've received a question about the Canon EOS 5D Mark III DSLR's write speed using SDHC and CF Cards simultaneously. I thought I would share the answer with you.
 
With a Lexar Professional 32GB 1000x UDMA-7 CompactFlash Memory Card installed alone, the 5D III will deliver a burst of 33 RAW images (photographing a dim scene).
 
The 5D III's max SDHC/SDXC write speed is slower than its CF max write speed - and the UHS-I standard is not supported. With a Lexar Professional 32GB 133x SDHC Memory Card installed alone, the 5D III will deliver a burst of 16 RAW images (photographing the same dim scene).
 
Put both cards in the camera at the same time and the 5D III's write speed will be the speed of the card being written to. Writing to the 1000x CF card will result in a 33 RAW frame burst and the 133x SDHC card will take 16 RAW frames.
 
By default, the 5D III will write to the last card slot used. You can change this card slot designation in the first tool menu tab (Record func+card/folder sel). The card slot numbers are indicated on the memory card door. CF is slot 1, SDHC is slot 2.
Posted to: Canon News
Post Date: 6/25/2012 2:03:50 PM CT   Posted By: Bryan
ISO 12233 Chart sample crops and flare test results have been added to the Sigma 24-70mm f/2.8 EX DG HSM Lens Review page.
Post Date: 6/25/2012 10:19:28 AM CT   Posted By: Bryan
 Thursday, June 14, 2012
As Neuroanatomist points out, Canon has re-designated the meaning of "-S" portion of the "EF-S" moniker.
 
"EF-S" initially stood for "Short-back Focus". One example of this designation comes from the 20 Years of Canon EOS document that states:
 
"The launch of the EOS 300D also saw the debut of the new EF-S lens mount, the ‘S’ standing for ‘Short-back Focus,’ due to the fact that rear element of the lens is closer to the image sensor than in a regular SLR."
 
Neuroanatomist says:
 
"If you look at the Canon Technical Report for the EF-S 18-55mm f/3.5-5.6 USM, you'll see the notation, "*The "S" in "EF-S" comes from "Small image circle.""
 
Also, if you look at p. 128 of EF Lens Work III (it's in section 7, The Basics of Interchangeable Lenses...), there's a notation that, "* Some of the EF-S lenses does not employ a short back focus optical system." Yes, that's grammatically incorrect, but correctly quoted, and highlights the fact that while all EF-S lenses have a small image circle, not all of them have a short back focus design (I believe, for example, that the EF-S 17-85mm does not have a short back focus optical design)."
 
(thanks Nuero and Sean)
Posted to: Canon News
Post Date: 6/14/2012 5:13:28 PM CT   Posted By: Bryan
Lens specs and measurements, distortion test results and vignetting test results have now been added to the Canon EF 500mm f/4.0 L IS II USM Lens Review and the Canon EF 600mm f/4.0 L IS II USM Lens Review pages.
Posted to: Canon News
Post Date: 6/14/2012 2:20:44 PM CT   Posted By: Bryan
Here is a roll-up of the planned new Canon DSLR and lens availability dates that I am aware of:
 
Canon EOS 1D X
 
Canon Japan is stating "June 20, planned" for the arrival of this long awaited DSLR. Expect extremely limited quantities to be available for a long time. (thanks Kaz)
 
Canon EF 500mm f/4.0 L IS II USM Lens
Canon EF 600mm f/4.0 L IS II USM Lens
 
Both lenses are shipping now in the USA including from B&H and Adorama. But, supplies are extremely limited and only the earliest preorders are getting filled.
 
Canon EF 24mm f/2.8 IS USM Lens
Canon EF 28mm f/2.8 IS USM Lens
 
B&H just extended their expected availability date from June 17 to June 27.
 
Canon EF 40mm f/2.8 STM Pancake Lens
 
Retailers are not stating the availability date for this highly-anticipated lens. The USA press release says "end of June".
 
Canon EF-S 18-135mm f/3.5-5.6 IS STM Lens
 
The big USA retailers are not even showing this lens on their websites. The USA press release again says "end of June". Will these initially be available in Rebel T4i kits only?
 
Canon EOS Rebel T4i / 650D DSLR
 
The T4i bodies are now showing up on retailer's shelves in the USA. (thanks "D")
 
The bodies and with-18-55mm IS II Lens kits showed up at Amazon as I was typing this.
 
B&H lists the body and body w/ 18-55 II IS Lens as "Expected availability: June 18 2012".
 
Adorama is saying "Delivery scheduled to start June/18".
 
The Canon USA press release indicates that the Movie Kit bundle is expected at the end of June, but retailers are not listing the availability dates for this T4i version.
 
Canon EF 200-400mm f/4 L IS USM Ext 1.4x Lens
 
Don't ask.
Posted to: Canon News
Post Date: 6/14/2012 12:51:01 PM CT   Posted By: Bryan
 Wednesday, June 13, 2012
ISO 12233 Resolution Chart sample crops have been added to the Canon EF 500mm f/4.0 L IS II USM Lens Review and the Canon EF 600mm f/4.0 L IS II USM Lens Review pages.
 
Not surprising is that both lenses turn in very impressive results. Comparisons with the older versions of both lenses are available. The 600 L II + 1.4x III compared to the 800 L is interesting.
Posted to: Canon News
Post Date: 6/13/2012 7:42:01 AM CT   Posted By: Bryan
 Tuesday, June 12, 2012
As with most families, the Canon Big White L Lens family should have its picture taken regularly. Here is the latest:
 
With Hoods | Without Hoods
 
You are welcome to use these images as your wallpaper. Might want to have a stack of napkins handy for that drool issue.
Posted to: Canon News
Post Date: 6/12/2012 7:22:41 PM CT   Posted By: Bryan
Standard Big Lens Images have been added to the following review placeholder pages:
 
Canon EF 500mm f/4.0 L IS II USM Lens Review
Canon EF 600mm f/4.0 L IS II USM Lens Review
 
A direct link to the standard images tool with these two super telephoto lenses preloaded is here.
 
Special thanks to Adorama for getting me two of the first of these lenses available in the USA.
Posted to: Canon News
Post Date: 6/12/2012 6:25:01 PM CT   Posted By: Bryan
I intended to have this information available for you on Friday, but ... sometimes your plans get changed for you (my apologies). I have added UK press releases, product images (including comparisons) and comparison charts to the following review placeholder pages:
 
Canon EOS Rebel T4i / 650D Review
Canon EF-S 18-135mm f/3.5-5.6 IS STM Lens Review
Canon EF 40mm f/2.8 STM Pancake Lens Review
Posted to: Canon News
Post Date: 6/12/2012 12:22:08 PM CT   Posted By: Bryan
Canon USA has updated the EOS 1D X / 5D III AF System Guidebook "... for clarity and enhanced description of the cameras' AF systems ..."
Posted to: Canon News
Post Date: 6/12/2012 11:10:50 AM CT   Posted By: Bryan
 Monday, June 04, 2012
Just posted: Sigma 120-300mm f/2.8 EX DG OS HSM Lens Review
 
I had an unusually high number of requests for a review of this lens, so I squeezed this one into the mix of reviews I've been working on.
 
Here are some status updates regarding my currently overloaded to-review list:
 
First, the Canon PowerShot G1 X Digital Camera Review is long overdue. My primary concern for this camera is how its image quality compares with a DSLR such as the also-small Canon EOS Rebel T3i. I've spent a lot of time with the camera and have many tests shot with it. But, I think that even the latest version of DPP (v3.11.27.0) is generating non-sharp results from G1 X RAW files that appear to be quite sharp when the "High speed" (lower quality) preference is selected.
 
Another review I had hoped to bring you by now is the Canon Speedlite 600EX-RT Flash Review. The big new feature of this flash is the RF remote capability. It takes two to play this game - and I've had an Canon Speedlite Transmitter ST-E3-RT on order since day one. Where this product is remains a mystery - I might have to buy a second 600EX-RT to move forward with this review.
 
Another MIA product is the Canon BG-E11 Battery Grip. I've also had one of these on order since moments after the announcement was made.
 
If my Canon EF 500mm f/4.0 L IS II USM Lens and Canon EF 600mm f/4.0 L IS II USM Lens ship any day as expected, these lenses will become my top review priority.
 
Update: Just received a ship notice for my Canon Speedlite Transmitter ST-E3-RT and Canon BG-E11 Battery Grip.
Post Date: 6/4/2012 1:28:23 PM CT   Posted By: Bryan
 Saturday, May 26, 2012
CPN has posted and interview with Jeff Ascough, getting his thoughts on the Canon EOS 5D Mark III.
Posted to: Canon News
Post Date: 5/26/2012 10:34:48 AM CT   Posted By: Bryan
 Monday, May 21, 2012
The CDLC has posted a Canon EOS 1D X sample film entitled "Shattered" by Tyler Stableford.
 
BTS (Behind the Scenes) videos are also available.
Posted to: Canon News
Post Date: 5/21/2012 8:46:35 AM CT   Posted By: Bryan
 Monday, May 14, 2012
ISO 12233 Resolution Chart results have been added to the Sigma 120-300mm f/2.8 EX DG OS HSM Lens Review page.
Post Date: 5/14/2012 9:46:15 AM CT   Posted By: Bryan
 Friday, May 11, 2012
CPN has posted a Brutus Östling interview focusing on photographing birds with the Canon EOS 1D X.
Posted to: Canon News
Post Date: 5/11/2012 1:03:10 PM CT   Posted By: Bryan
 Tuesday, May 08, 2012
Lens vignetting, distortion and measurement results have been added to the Tamron 24-70mm f/2.8 Di VC USD Lens Review page.
 
Flare testing is on hold pending a clear sky.
Post Date: 5/8/2012 9:32:18 AM CT   Posted By: Bryan
Sample images have been added to the Canon EOS 5D Mark III Review.
 
As usual, some of the images have tips included.
Posted to: Canon News
Post Date: 5/8/2012 8:47:42 AM CT   Posted By: Bryan
 Friday, May 04, 2012
ISO 12233 resolution chart results have been added to the Tamron 24-70mm f/2.8 Di VC USD Lens Review page.
 
I have two of these lenses right now. Unfortunately, the first lens I received needs to go back.
 
After spending 10 hours or so completing testing the lens on the ISO chart, it became clear that the lens was not working properly at the longer focal lengths. Image quality was unacceptable at 70mm. Tamron confirmed that the results were not as they expected.
 
The second lens performs much better optically. These are the results now presented on the 24-70 VC review page.
 
Before making your purchase decision, I encourage you to wait for me to spend more time evaluating the Tamron 24-70mm f/2.8 Di VC USD Lens' AF performance. Neither of the two lenses I have autofocus accurately on the test chart using a Canon-calibrated EOS 1Ds Mark III. I will minimally test the second lens behind a second calibrated 1Ds III and a 5D III.
 
Stay tuned for more information.
Post Date: 5/4/2012 2:28:15 PM CT   Posted By: Bryan
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