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 on: August 20, 2014, 09:34:49 AM 
Started by bmpress - Last post by Bob Atkins
That's not something I noticed and not something I've seen many complaints about. I think some people has issues with AI servo focusing using some EOS bodies, but my understanding is that Tamron now have revised the lens firmware to eliminate that.

 on: August 18, 2014, 05:43:24 PM 
Started by bmpress - Last post by peter45
A quick one, know you are busy. Read a review of the Tamron 16-300mm that stated some lens noise came over in the video, and it is not a good video lens. True?

 on: August 17, 2014, 06:06:26 PM 
Started by bmpress - Last post by peter45
Thanks Bob, I hope the move goes well.

 on: August 16, 2014, 10:43:52 PM 
Started by bmpress - Last post by Bob Atkins
I'm sadly a little behind on publishing reviews at the moment. I'm moving house and so I've been really busy over the last couple of months!

I have looked at the Tamron 16-300 and it's much as you'd expect from a lens with that wide of a zoom range (18.8x). There's significant barrel distortion at 16mm which flips to pincushion by 24mm and out to 300mm. Center sharpness is pretty good wide open at 16mm and sharpness holds up as the lens is zoomed, though it does soften slightly at 300mm. Best center/edge performance is at around f8. Corners at 16mm are pretty good, though by 300mm there's again some softening.

Bokeh looks quite nice and the macro magnification is decent at 1:2.9 (15" at the 300mm setting).

It's a little slow since the maximum aperture is f6.3 all the way from around 125mm to 300mm.

If what you want is a single lens to do everything - and you're prepared to compromise slightly in terms of overall sharpness and lens speed - then the Tamron 16-300 is a good choice. It has the widest range you can get and it's certainly optically good enough for typical amateur use. It can't compete with a bag of prime lenses of course, but you wouldn't expect it to.

At $629 it's not cheap and a lens like the Tamron 70-300/4-5.6 is better and cheaper at $449 (and it's one of my favorite lenses), but of course it doesn't have the wide zoom range of the 16-300 and it's bigger and heavier - which is why I'm sure that many people will go for the 16-300.

Tamron 16-300 at Adorama

Tamron 16-300 at Amazon

Tamron 70-300 at Adorama

Tamron 70-300 at Amazon

I hope I'll have time to write up a more complete review soon - but I'm still spending most of my time sorting out my stuff and packing it into boxes ready for the move!

 on: August 16, 2014, 09:07:55 PM 
Started by bmpress - Last post by peter45
Tamron are not going out of business!

It's possible they underestimated demand for the lens or they've had some production issues, but Tamron are doing pretty well and I have no reason at all to suspect they are in any sort of trouble.

They're sending me a new 16-300 for testing this week, so they're certainly still making lenses!

I'll see if I can get any info from them on the 150-600 availability issue and I'll post it here if I can.

When you get the Tamron 16-300 for a test I will be watching closely Bob, as I might have to keep my 60D and just sell the lenses, they are too heavy for my neck and back when walking around all day. I thought this lens might be the way to go. Watching and waiting.

 on: August 10, 2014, 08:35:43 AM 
Started by rixtix - Last post by rixtix
The latest update to the EOS Utility includes the Canon UPNP Detector Program which searches for wireless connections between a Canon DSLR (6D or 70D) and your computer.  On Windows 8 and 8.1 computers that are connected by wire to a wireless router the program will cause all connected wireless devices on the network to lose their connection, signal and internet connection. 

If the computer is connected to the network through a wireless connection there is no problem.  A work around that I use consists of stopping the process of the Canon UPNP Detector in the Task Manager after reboot. 

 on: August 09, 2014, 08:55:39 PM 
Started by mjperini - Last post by Bob Atkins
In addition to only supporting current FF cameras I think DPP 4.0 requires a full 64 bit operating system. The windows version requires Windows 7 or 8. It won't run on XP (at least not the 32 bit version, and possibly not even the 64 bit).

When I asked Canon which other models might be supported and when that support might appear they couldn't give me an answer.

I have no idea why Canon couldn't offer DPP 4.0 for all cameras, other than the effort involved adding the code for each camera. Updating DPP 3.x.x probably requires less effort since most of the work has already been done. In the long run though I agree that it would seem to be less effort to maintain just one version. Could be that Canon will in fact do that, but it will be DPP 4.x.x and development of DPP 3.x.x will stop

 on: August 08, 2014, 07:01:17 AM 
Started by mjperini - Last post by mjperini
A small update with a better look at some features.....
In the latest CPN Newsletter form Canon Europe, they herald DPP4 as the 'First major update of the software since it was launched"
It is still compatible ONLY with current FF sensor cameras, thus leaving out even the 1Ds III, 1D IV, 5D mkII, 7D and all other Canon Cameras.
It adds " (although support for more models will be added in due course)"
DPP has always been a free converter/editor utility for all Canon Cameras, and always provided ecxelent conversions, but DPP4 aspires to do more than that, which is welcome.
The good news is that they are saying 'more' models will be added "in due course" (2 weeks, 2 months, 2 years??) But, they are saying 'more models' not' all models', so some camera models will be left out of DPP4's functionality.  For those left out, they have said they will continue to supply a version of DPP 3.x.x. (although they have not said how long they will provide it, or if they intend to update two different versions for Windows & MacOS for the forseeable future ??)
DPP4 looks much improved.
I'm not a software engineer, I don't know if the different DIGIC processor versions could be a factor in their decision to include a 6D but Exclude 1DsIII &5D II,  or why it would be easier to upgrade two different versions of DPP long term rather than to roll them into one. (There may be a good reason for that, but it seems counter-intuitive [and also a marketing mistake] to me) Perhaps someone with expertise in that area could help clarify...?
There is an opportunity to Download DPP4 but I think you need files from one of the 4 supported Cameras to try it.
I can't imagine Canon would go to all this work to support only 4 cameras,(or why it makes any sense to launch this way), so I'll remain hopeful
Here is the Canon Professional Network Newsletter:

 on: August 06, 2014, 09:29:55 PM 
Started by peter45 - Last post by peter45
Thanks once more.

 on: August 06, 2014, 08:22:19 PM 
Started by peter45 - Last post by Bob Atkins
I usually shoot 4:3 and then crop to whatever aspect ratio I want.

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