March 06, 2015, 01:27:35 AM

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Messages - JohanCruyff

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are you people serious? what the hell is wrong with someone pairing a 300mm 2.8 with a 70D? are crop users only allowed to buy f4 lenses?

70D and 300mm 2.8 weird.. that's the stupidest thing i ever heard.

Thank you.
I was contemplating buying a 70D in the near future, but the combo 70D + 100mm IS L F/2.8 scared me...  ;)

Finally we found a reason NOT to replace photocameras with smartphones.  ;D

Lenses / Re: EF 50 1.8 STM
« on: March 03, 2015, 01:12:00 PM »
I've yet to purchase a 50mm but I will when Canon replace the current line-up of the 50mm f1.8 MKII and the 50mm f1.4.
So please, Canon, hurry up!

Canon General / Re: RIP Leonard Nimoy
« on: February 27, 2015, 04:22:43 PM »

Canon General / Re: Lost half of my Canon DSLR
« on: February 17, 2015, 03:59:16 PM »

Canon General / Re: Canon to Buy Video Surveillance Leader Axis for $2.8b
« on: February 12, 2015, 08:11:03 AM »
Call me a dinosaur, but I don't like this kind of news.
It would be great to read Canon to invest $2.8b in a new plant / new technology / new materials etc. with direct impact on their cameras.

Lenses / Re: Advanced bokeh computation?
« on: February 11, 2015, 10:55:28 AM »
I was just reading about bokeh on wikipdia, and stumbled upon this sentence which unfortunately isn't qualified further (see

Some advanced digital cameras have bokeh features which take several images with different apertures and focuses and then manually compose them afterward to one image.

Can someone please explain which these "advanced digital cameras" might be and how the post-processing assembly works?

If I find this interesting, it isn't that difficult to write a Magic Lantern module which achieves the same thing with a click of a button - aperture bracketing and focus bracketing are both already included, they just need to be combined.

Seems a kind of evolution of the Lytro concept ( several images with focus at different distances... or maybe not.  :-[

EOS Bodies - For Stills / Re: Upgrade to 70d or 760 d ?
« on: February 11, 2015, 03:52:09 AM »
I recently realized that I took 10,000 pictures in 2011-2012 with my 5D classic, and just 5,000 in 2013-2014.
Why? Maybe because my second body, the M, has made me a bit lazy. Consequently, I think I could downgrade from a 5D to a 70D to get a ligher body (and lighter lenses). I'm definitely not a "Pro" or a "Pro-looking-wannabe".
Even if the 760D is smaller and lighter, I'm not taking it into consideration: I think a 70D plus a pankake can be discrete and light enough.

EOS-M / Re: Poll: Would you have bought the M3? (North America)
« on: February 09, 2015, 12:23:58 PM »
(About  Hybrid CMOS AF III)
"Canon says it's about 4x faster than version II (used in the EOS 100D) and two generations ahead of the original Hybrid CMOS AF system in the EOS 700D"
"you get a 6x speed gain over the original EOS M"


So the dilemma : I'm torn between the 18-135 set or the 18-55 & 55-250 set...
I'm a total newb in DSLRs, and I was just wondering which set should I be getting???

In order to save precious storage, let me recycle this thread with a similar, but different, question.
Two days ago I sold my venerable 5D classic, bought (used) four years ago.
Just before selling (for obsolescence, possible future lack of spare parts etc.), I realized that I took 10,000 pictures in 2011-2012 and just 5,000 in 2013-2014.
I couldn't believe it: truth is that when my EOS M arrived, I started to take it with me more often than the 5D. What a lazy pervert have I become!
Now I can't decide whether to replace my 5Dc with a 6D (high IQ, slow performance in terms of AF points and FPS) or with a 70D (worse IQ, better performance). They weight more or less the same.
My real target would be a 6D Mark II, which I expect to be more or less a full frame version of the 70D... so a third option could be to skip both the 70D and the 6D, and wait for the 6D2.
Fourth option: sell the M stuff and buy a 70D and a 6D. In this case my wife could kill me, you all know how women are.  ;D  And you guys don't want me to stop participating to this excellent forum, do you?

So, let's go back to the topic.
If I realize I can't wait => give in to consumerism => and buy a 70D,
considering that I already own an EF-S 55-250 IS STM,
would it make sense to buy an EF-S 18-135 STM, or a cheaper and lighter EF-S 18-55 STM would be enough or better, coupled with the 55-250?
I don't see myself using my 17-40 F/4 or my 24-105 F/4 IS on a crop body.
[A corollary could be: if I prove to be such a lazy amateur photographer, maybe I can survive with just an APS-C body (I'm not so sure, though): this event could significantly change my future purchase plans (or roadmap, as they say)].

EOS Bodies / Re: Canon EOS 5Ds and EOS 5Ds R Preview
« on: February 06, 2015, 02:21:17 AM »
"The 5Ds has the same dynamic range as 5D III"
but also
"This review page will be updated when my 5Ds bodies arrive, but for now, below are my expectations for this camera."

He states this information is straight from a Canon associated sources, so that should be reliable. Question is if its +0.5ev like on the 6d, but I doubt it - they probably really went for the max resolution they could get out of their current tech, never mind dr.

From DPReview:
"It's convenient to think of the new 50MP as essentially an upscaled version of the 20MP sensor inside the EOS 7D Mark II - minus the 7D II's Dual-pixel AF. The pixel pitch of 4.14 microns is certainly very similar across both sensors. Accordingly, Canon tells us that at a pixel level, noise levels should be very similar to the EOS 7D Mark II and slightly better than what we'd expect from a 5D Mark II (note: not a 5D Mark III). Oddly though, maximum ISO sensitivity is capped at ISO 6400, which extends only up to 12,800. Even more oddly, a Canon representative openly described this limitation as ‘arbitrary'. This is strange because the EOS 7D Mark II (remember the pixel pitch of its sensor is almost the same) can confidently shoot at ISO sensitivity settings up to 51,200.
Speaking of the EOS 7D Mark II, the new 5DS and 5DS R inherit its 150,000 pixel metering sensor, so although the cameras' 61-point phase-detection AF arrays are the same as the EOS 5D III, subject tracking should be (and seems to be, from our very brief first impressions) superior to the older model albeit, oddly, not up to the level of speed and accuracy offered by Canon's own 1D X, or Nikon's recent implementations of 3D tracking.
As far as dynamic range is concerned, we're told that the new 5DS and 5DS R should give the same performance as the current EOS 5D Mark III. If true, this means that the new cameras won't be able to offer the same industry-leading dynamic range of Sony's current APS-C and full-frame sensors, but at least it isn't a step backwards. And hey - 50MP!"

No Sony sensor.

EOS Bodies / Re: Canon EOS 5Ds and EOS 5Ds R Preview
« on: February 06, 2015, 02:15:20 AM »
"The 5Ds has the same dynamic range as 5D III"

but also
"This review page will be updated when my 5Ds bodies arrive, but for now, below are my expectations for this camera."

I guess we have to wait.
No, actually I'm not waiting for a 50Mpx monster, whichever number of dynamic range it has.

EOS Bodies / Re: Full Specifications of the EOS Rebel 760D
« on: February 05, 2015, 11:42:58 AM »
A brief history of recent sensors' size:
700D/T5i: 22.3 x 14.9 mm
70D: 22.5 x 15 mm
7D2: 22.4 x 15 mm
760D: 22.3 x 14.9 mm
Sony SLT-A77 II: 23.5 x 15.6 mm

EOS Bodies / Re: The most important feature missing from the 5Ds/5DsR is...
« on: February 02, 2015, 08:52:34 AM »
16 bit RAW?
Not available in white?

PowerShot Cameras / Re: Powershot G3 X
« on: February 02, 2015, 06:04:48 AM »
Almost like a 70D + 18-135mm IS + 100-400mm L IS (I or II)!
Or... almost like a 6D + 24-105 IS L + Tamron 150-600!
Let's see its Image Quality, Autofocus performance, ergonomics etc.
It could be a light and relatively cheap alternative to DSLR - or to small_sensor_superzoom_cameras - for safaris.

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