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 Friday, October 19, 2012
Sample pictures have been added to these reviews:
 
Canon EF 500mm f/4.0 L IS II USM Lens Review
Canon EF 600mm f/4.0 L IS II USM Lens Review
Canon EOS 1D X Review (with some overlapping samples)
 
These are awesome lenses. I expect to post many more sample pictures from these lenses in the future - especially/hopefully after a White-Tailed Deer photo trip I have scheduled in Shenandoah National Park in the near future.
 
The 1D X is also awesome. I'm deep into my fall sports photography season and can easily say that I've never had a camera and lens combination perform as well as the 1D X and the "IS II" supertelephoto lenses. These combinations rock.
 
Note that I continue to include photography tips in most of the sample picture comments.
Posted to: Canon News
Post Date: 10/19/2012 7:33:15 AM CT   Posted By: Bryan
 Wednesday, October 17, 2012
The new Canon 1D X firmware special page includes the Canon EF 70-300mm f/4-5.6 L IS USM Lens (they actually say "f/4.5-5.6L") and Canon EF 1.4x III Extender combination under the "Current Canon EF Lens/Extender Combinations That Support Cross-Type Autofocus with Firmware Update Ver. 1.1.1 for EOS-1D X". (thanks John)
 
The problem is that Canon 70-300 L is not compatible with the 1.4x in the first place. The Canon USA website indicates that the 1.4x "... is only compatible with fixed focal length L-series lenses 135mm and over, as well as the EF 70-200/2.8L, EF 70-200/2.8L IS, EF 70-200/4L, and EF 100-400/4.5-5.6L." Granted, the compatible 70-200 f/4 L IS is missing, but the 70-300 L is not listed.
 
I've tried mounting the 1.4x to the 70-300 L before - and it does not fit. The rear lens element physically hits the front element of the extender.
 
What I just discovered, however, is that the 70-300 L's rear element retracts into the lens far enough that, at about 250mm, there is enough clearance for the 1.4x to mount.
 
The available focal length range is about 350-420mm. There is a physical bump at the lower end of that range with (guessing) the rubber around the edge of the extender element contacting the rear 70-300 L lens element or its edge ring. This combination indeed autofocuses on the 1D X with the new firmware.
 
I'll put this combination on the ISO 12233 chart testing list to see what the image quality looks like, but ... I'm not sure that I recommend mounting this combination due to potential damage the to lens. I'll try to find out what Canon says about this.
Posted to: Canon News
Post Date: 10/17/2012 9:06:30 PM CT   Posted By: Bryan
 Tuesday, October 16, 2012
I'm tackling a huge backlog of sample pictures this week. To get things started, sample pictures have been added to these reviews:
 
Canon EF 24mm f/2.8 IS USM Lens Review
Canon EF 28mm f/2.8 IS USM Lens Review
Canon PowerShot G1 X Digital Camera Review
Posted to: Canon News
Post Date: 10/16/2012 2:57:08 PM CT   Posted By: Bryan
 Friday, October 12, 2012
 Friday, October 05, 2012
Some image quality comparisons are now available on the Canon EOS Rebel T4i / 650D Review page.
Posted to: Canon News
Post Date: 10/5/2012 12:30:00 AM CT   Posted By: Bryan
 Wednesday, October 03, 2012
Posted to: Canon News
Post Date: 10/3/2012 10:29:21 AM CT   Posted By: Bryan
 Wednesday, September 26, 2012
Just posted: Part 1 (the major part) of the Canon EF 24-70mm f/2.8 L II USM Lens Review.
Posted to: Canon News
Post Date: 9/26/2012 7:18:01 AM CT   Posted By: Bryan
 Friday, September 21, 2012
The Canon EF 24-70mm f/2.8 L II USM Lens Review will be completed in two parts. Here is why.
 
I often preorder more than one copy of Canon's new lenses as I like having at least two sets of image quality results to work from. I seldom see much variation between the multiple copies, especially between Canon's higher grade L lenses. Unfortunately, two copies of the Canon EF 24-70mm f/2.8 L II USM Lens were not enough.
 
Copy 1 is extremely sharp - until 70mm at f/2.8 where its performance is only average and even trails the original Canon EF 24-70mm f/2.8 L USM Lens in the center of the frame. An ISO 12233 chart retest delivered identical results. Real world shooting confirms the test results. This lens is so sharp at the rest of the focal lengths and at 70mm f/4 that I was hesitant to return it.
 
A significant backfocus problem at 70mm (note that manual focus is used for image quality evaluation) made the keep or return decision a no-brainer as I need to be able to use this lens on non AFMA-capable DSLRs.
 
Copy 2 of the 24-70 L II is very sharp in the center of the frame at f/2.8 throughout the entire focal length range - including 70mm. The problem with this lens is that the mid and outer portion of the image circle is not as sharp at f/2.8 as copy 1 (example). This is perhaps a decentering problem.
 
I think lens 1 properly examples what we should expect up until 70mm. I think lens 2 shows what we should expect in center-of-the-frame image quality at 70mm. Since lens 2 is soft in the corners at the other focal lengths, I think it is also softer in the corners at 70mm than it should be.
 
My conjecture is that the Canon EF 24-70mm f/2.8 L II USM Lens is incredibly sharp across the entire focal length range and at least the vast majority of the image circle.
 
I expect to get past the unfortunate QC anomalies I've initially encountered and expect to show you how great this lens really is. I'm not sure when I'll have a replacement lens (or lenses) available (the 24-70 L II is impossible to find right now), but hope to complete part 1 of the Canon EF 24-70mm f/2.8 L II USM Lens review next week.
Posted to: Canon News
Post Date: 9/21/2012 8:34:42 AM CT   Posted By: Bryan
 Wednesday, September 19, 2012
 Tuesday, September 18, 2012
ISO 12233 chart results are now available on the Canon EF 28-70mm f/2.8 L USM Lens Review page.
Posted to: Canon News
Post Date: 9/18/2012 1:08:29 PM CT   Posted By: Sean
 Sunday, September 16, 2012
ISO 12233 chart results are now available on the Canon EF 24-70mm f/2.8 L II USM Lens Review page.
 
Results from two copies of this lens are presented. Lens sample 1 is very impressively sharp/contrasty wide open from the center into the full frame corners save 70mm where it becomes that at f/4. Lens sample 2 is slightly softer in the corners than sample 1, but it is sharper in the center at 70mm f/2.8.
 
Note that results for the older 28-70 L will also be available soon.
Posted to: Canon News
Post Date: 9/16/2012 6:52:22 AM CT   Posted By: Bryan
Many product images including the standard images (useful for comparison) have been added to the Canon EF 24-70mm f/2.8 L II USM Lens Review page. Some direct comparisons are available on that page - including a comparison between the 28-70 L and the 24-70 L version 1.
 
Standard product images were also added to the Canon EF-S 18-135mm f/3.5-5.6 IS STM Lens Review page.
Posted to: Canon News
Post Date: 9/16/2012 5:03:58 AM CT   Posted By: Bryan
 Tuesday, September 11, 2012
Roger at LensRentals.com has posted his first impressions of the new Canon EF 24-70mm f/2.8 L II USM Lens.
 
I think that you will like what Roger is seeing.
 
Preorder the Canon EF 24-70mm f/2.8 L II USM Lens at: B&H or Adorama.
Posted to: Canon News
Post Date: 9/11/2012 1:28:01 PM CT   Posted By: Bryan
 Monday, September 10, 2012
 Thursday, September 06, 2012
 Wednesday, September 05, 2012
Fred Miranda recently spent some time with the Canon EOS 1D X, some big lenses - and a big cat. Check out Fred's review and results here.
Posted to: Canon News
Post Date: 9/5/2012 4:14:47 PM CT   Posted By: Bryan
 Monday, September 03, 2012
Finally, I am hearing reports that the Canon EF 24-70mm f/2.8 L II USM Lens is shipping (with deliveries occurring in certain parts of the world).
 
According to dc.watch.impress.co.jp, Canon will be releasing this lens on Sep 6th.
 
Canon Japan is warning of expected initial shortages of this lens. (thanks Kaz)
 
Adorama is accepting preorders.
Posted to: Canon News
Post Date: 9/3/2012 8:21:09 PM CT   Posted By: Bryan
 Tuesday, August 28, 2012
ISO 12233 Chart results have been added to the Canon EF-S 18-135mm f/3.5-5.6 IS STM Lens Review page.
 
This lens is sharper than its predecessor at the wide end. Here is a direct comparison between the Canon EF-S 18-135mm IS STM Lens and the older Canon EF-S 18-135mm IS Lens.
Posted to: Canon News
Post Date: 8/28/2012 8:26:31 AM CT   Posted By: Bryan
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