October 21, 2014, 09:00:14 PM

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Messages - rs

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Lenses / Re: advice for new lens?please
« on: August 03, 2014, 05:57:27 AM »
Which 200L have you got? The 2.8 or the 2.0?

EOS Bodies / Re: Get rid of a 1D3 to make room for the inevitable 7D2?
« on: August 03, 2014, 03:26:05 AM »
The 1D3 and any potential 7D replacement aren't direct competitors for each other - so the resale value of your pro grade APS-H camera shouldn't be influenced by any upcoming announcement of a new APS-C body. If I was in your position and was all geared up to move to a smaller sensor, I'd keep hold of my current gear until at the very least the reviews start trickling in, and ideally until the early adopter tax has been dropped.

Bear in mind rumours of the 7D mk II have been circulating for years. With every year that passes it's arguably getting more likely, but check out this prediction for the 7D mk II announcement for Photokina made back in 2011:


EOS Bodies - For Stills / Re: D810 vs. 3D
« on: August 02, 2014, 05:01:49 PM »
Is this about books again? You demand Canon make a 36+ MP camera with WiFi, so you can take better pictures of books? Books from libraries that are available from shops and for download? Canon do make scanners which will do a much better job, and you could also use your WiFi connection for amazon books or apple iBooks to download them for a fraction of the cost and effort of buying/using a 36MP camera.

EOS-M / Re: The firesale begins... EOS M in UK £199
« on: July 31, 2014, 01:06:07 AM »
If it was $199 in the US, I don't see how anyone could resist.  Even if the 22mm lens is the only lens you buy, you just can't do any better for $199 (I'm even talking about the Panasonic GF2 body for $99 plus a lens).
Yes, I'm sure there would be many takers at $199. However, to put this in context, £199 is $336

EOS Bodies - For Stills / Re: Fun Arias rant on APS-C vs. FF
« on: July 29, 2014, 05:57:39 PM »
Zack Arias. Sponsored by Fuji.

Lenses / Re: New Canon L Primes, but Not Until 2015 [CR2)
« on: July 28, 2014, 03:32:58 PM »
I'd still  like to see them best Nikon's 12-24.

PowerShot Cameras / Re: Will the G17 have a 1" sensor?
« on: July 28, 2014, 12:20:27 PM »
That's a pretty neat wish list. However, if true, the lens would be big. It would physically be a 8.9 to 74mm lens, and with the f2.0 aperture at the long end, a 37mm entrance pupil. If that directly translates to the front element size, nothing too massive for a superzoom category camera. That is until you factor in the wide angle (84 degrees) at f1.4, that front element will be big. Possibly much bigger than 37mm.


Lenses / Re: Canon EF 12-24mm f/2.8 L - Constructing the Enigma
« on: July 25, 2014, 09:10:28 AM »
If it was real and well priced, definitely. But the filter taking abilities and weight position your spec list firmly in the fantasy region of what's physically possible.

EOS Bodies / Re: High Megapixel EOS on the Way as Mentioned by Canon
« on: July 23, 2014, 10:15:05 AM »
Unlike many Google translations, this one is a bit more readable...

I note the comment that the 16-35 mk2 was good for APS-H ;-)

The multiple aspheric lens surfaces allow them to ease some of the compromise between reducing distortion and field flatness. The two front lens elements make quite a significant contribution to this and will likely be seen again in new ultra wide zoom designs.

I still want a TS-E14 though ;-)

If the coverage of the TS-E17 is anything to go by, a TS-E14 with any notable shift would be somewhere between huge, expensive and impossible.

Take a look at this to see the effective angle of view of the imaging circle of the TS-E17 compared to a traditional rectilinear 14mm lens (panoramic comparison, near the bottom of the page):


No scientific fact here, but I'd estimate a TS-E14 with similar levels of shift as the 17 to project an imaging circle with an angle of view something equivalent to a 10mm rectilinear FF lens.

Lenses / Re: Sigma 50mm Art 1.4 Focusing problems
« on: July 22, 2014, 11:03:49 AM »
All Sigma lenses have focusing problems! I had two of the a 24-700 and 70-200 last versions - I sent them to be calibrated with my body and then everything was ok.

This is FALSE.  I have two Sigma lenses that have had no focusing problems.  (I don't consider improving AF accuracy with in-camera AFMA to be part of a "problem.")

But the 50 Art that I received did have erratic, unreliable AF that could not be helped with AFMA.

So, if online chatter can lead to Sigma fixing the problem, we aren't helping by using sweeping, ranting statements such as "All Sigma lenses have focusing problems!"

I stated this before and say this again: I did not and do not have AF problems with my 50Art. And I agree with YuengLinger.  It is wrong to make statements like "All Sigma lenses have focusing problems!" - it is not true. Sigma did a great job with the Art series.


My second copy of the Sigma 50/1.4 (non Art) focuses very accurately and consistently. The same can't be said of the first though  ::)

Lenses / Re: Sigma 50mm Art 1.4 Focusing problems
« on: July 22, 2014, 07:23:17 AM »
But it's annoying to buy a fairly expensive AF lens which you're expected to fiddle around with on a docking station and even then seems best used, in the case of many copies at any rate, in MF mode.

Why do you think AFMA exists on Canon cameras? To address the same problem that the docking station is for.

The problem isn't QC it is engineering tolerances and the fact that neither camera nor lens are all made the same. There is copy variation between each camera and lens. This means that whilst AFMA might be +5 for a given lens on your camera, that same lens might be -5 on my camera and that same lens might be +0 on someone else's camera.

Like we've said soo many times before, it's NOT about afma ... Sigh, it's the  inconsistency ! Please print this message and tape it on your fridge.

AFMA is there because there is inconsistency. Canon recognizes that there is inconsistency in camera/lens manufacture and thus introduced that feature to allow people to tune their own camera. If every lens was the same, AFMA wouldn't be needed.

AFMA is there for consistent errors. Inconsistent errors cannot be corrected with a simple offset.

Software & Accessories / Re: Help..
« on: July 22, 2014, 02:38:22 AM »
Have you tried extracting the downloaded file, and placing the extracted .fir file on the CF card, as per the instructions in the PDF file?

If that's all there, it won't hurt trying out the firmware update on your friends already updated 7D - it will recognise the update (if done correctly), but will decline the update as it's already on the latest version. If that happens and the same CF card and contents doesn't work in yours, then something fundamentally is wrong.

Without images showing the problem, we can only speculate.

My take is it could be some sort of flash sync issue - are you using third party triggers or lighting at or near the x-sync speed?

Again, just pure speculation. Please post some images showing this issue.

EOS Bodies / Re: Patent: 45x Zoom for Waterproof Camera
« on: July 20, 2014, 11:49:41 AM »
It's difficult for me to imagine a reason I'd ever buy a gopro.

It's a very focused product aimed at a very different market to the point and shoot alternatives. And it really does depend upon what you do as to whether its way of working is of any use to you. One things for sure - it fills that void of a fisheye portable camera which is waterproof. Just no LCD without spending extra.

At the moment I find I'm using my GoPro more than my DSLR's - but that's down to what I get up to rather than it being a better traditional photographic experience.

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