Messages

1

EOS Bodies - For Stills / Re: 5D3 and 24 1.4 II L owners please read!!!!!!!!!!!!

« on: Today at 08:12:21 PM »

...in the 5D Mark III the metering bias is too high.

I wonder how all the people clamoring for the 5DIII to have AF-point linked spot metering would feel about that observation?   

2

EOS Bodies - For Stills / Re: !

« on: Today at 04:08:35 PM »

Ask a silly question, expect a silly answer.

Walk about with top end professional kit and expect that people will think you know how to use it.  Or read.

+1

Shame/embarrassment gets my vote.  Before his idea that the gear was the problem was shot down by cold, hard evidence, he had no problem blaming Canon and emphasizing it was NOT his fault.

To be fair, though, it seems a call to Canon service didn't help his problem. Sadly, that's not too surprising.

3

EOS Bodies - For Stills / Re: 5D3 and 24 1.4 II L owners please read!!!!!!!!!!!!

« on: Today at 02:48:13 PM »

Theory!

Flipping the switch triggers metering. Since evaluative metering invokes code that looks at multiple metering points and tries to intelligently guess what to do, it's somewhat reasonable to assume that it might a different decision on what to do each time it's invoked if the light entering the lens in non-uniform across the image.

A way to test if this is happening is to point the camera so the image is completely uniform in brightness across the image — at the sky, or a flatly coloured wall, etc.

This makes perfect sense. Evaluative metering is linked to the selected AF point. Switching to MF deactivates all of the AF points, which means evaluative metering can no longer be weighted toward a selected point.  The fact that you're seeing this only with a wide angle lens is not unreasonable.  With such a wide FLV, there's more in the scene to affect the metering when it is no longer weighted toward the selected point. 

One way to test this would be simply to change the metering mode to center weighted average, spot, or partial. Doing any of those should eliminate the change with the switch in focusing mode.

4

Lenses / Re: What is the next Canon lens you want or covet and why...

« on: Today at 02:09:51 PM »

I may get distracted by purchasing the EF 70-300mm f/4-5.6L IS II along the way...

It seems to me that with the rave reviews the current model gets (and the fact it was introduced as recently as 2010) this may not be one released very soon.

No thought that it was - typo corrected.  I'm just so used to typing IS II, I guess...

5

EOS Bodies - For Stills / Re: 5D3 and 24 1.4 II L owners please read!!!!!!!!!!!!

« on: Today at 12:30:48 PM »

Just to confirm - everything else is the same with the physical setup?  Remember that it's not just what's in front of the camera that matters - light entering through the VF also affects metering so if you're in a different position behind the camera, that can make a difference.  Try covering the VF during testing (a lens cap hung over the eyecup does the trick).

Since Live View metering is done using the image sensor rather than the metering sensor, might be good to see if the same phenomenon occurs in live view.

6

EOS Bodies - For Stills / Re: 1DX and 5D3 RAW files

« on: Today at 11:55:14 AM »

He likes to shoot everything in "program" mode

Isn't that how everyone uses their 1D X?   

7

Lenses / Re: Do you wish your 70-200L were black?

« on: Today at 11:49:53 AM »

Ooooh - champagne gold.  I bet if they came out with a limited edition of these, they could sell for almost twice the price and people would buy them.

I think they sort of tried that with the Jackie Chan 550D...

8

Lenses / Re: What is the next Canon lens you want or covet and why...

« on: Today at 11:48:08 AM »

The lens I'm currently coveting is the EF 300mm f/2.8L IS II.  I may get distracted by purchasing the EF 70-300mm f/4-5.6L IS II along the way...

None. (Although a Canon EF-S 30mm f/1.8 L USM would be nice, provided it is sans IS.)

According to a recent poll, the 14-24L is the most coveted lens here on CR

Not that it matters much, but I got the sense that the OP was interested in lenses that actually exist. 

9

EOS Bodies - For Stills / Re: 1DX and 5D3 RAW files

« on: Today at 11:44:37 AM »

So why even discuss the low ISO capability, especially if all the independent tests indicate that higher ISO is where the 1DX really shines, and was obviously meant to be used?

Why?  Because that's Mikael/ankorwatt's hobby horse that he likes to ride into every thread that he visits.   

But he was absolutely correct in stating,

no , they have not the same sensor, there are different regarding CFA  ,  FWC , QE and read out noise

10

EOS Bodies - For Stills / Re: 5D Mark III inability to use AV mode with any flash

« on: Today at 11:31:18 AM »

Hey, you use 'F' as an abbreviation your way, I'll use it mine, ok?    

11

Lenses / Re: Can the 70-200 2.8L II IS replace my 100L and 135L?

« on: Today at 11:25:54 AM »

Take a look at these two images I have copied from the relevant lens image threads on this site. I would say the swing bokeh is distracting and far from smooth, on the other hand the head shot has beautiful bokeh, very smooth and not distracting at all. I prefer the background rendering of the head shot.

 Here are the links, swing http://www.canonrumors.com/forum/index.php?topic=302.msg14622#msg14622 , head shot http://www.canonrumors.com/forum/index.php?topic=1195.msg236485#msg236485

The thing is, bokeh is not determined solely by the lens.  The distance between subject and background, and what that background comprises, are critical factors. 

For example, in the swing shot you reposted:



...the background was close and complex (sun-dappled foliage), whereas for the head shot, the background was simpler and more distant.  I wonder what the bokeh would have looked like in a shot similar to the swing shot, but taken from a different angle with a more distant and somewhat less complex background?  Actually, I don't have to wonder - turns out I have a just such a shot from that same afternoon.    The background rendering is much smoother. 

12

EOS Bodies - For Stills / Re: 5D3 and 24 1.4 II L owners please read!!!!!!!!!!!!

« on: Today at 11:09:47 AM »

I'd love to help, but I have neither a 5DIII nor a 24L II.   

13

EOS Bodies - For Stills / Re: 5D Mark III inability to use AV mode with any flash

« on: Today at 10:59:32 AM »

The thing that's not working correctly is the user - that's you, bub. Your 5DIII is set to Auto, your T3i is set to a 1/200 - 1/60 s limit.  You must have used some of those fingers you mention to change that setting on your T3i long ago, and forgotten.

I'm not 100% sure, but I do believe 1/200 - 1/60 was the default on my T3i, so there is a chance the OP never touched it.

According to p.252 of TFM, which I just re-R'd (  ), the default setting for the T3i is also Auto (1/200 - 30 s).

14

Lenses / Re: Do you wish your 70-200L were black?

« on: Today at 10:52:40 AM »

Near-white concrete will also feel far hotter than grass. Try it - also guaranteed. The transfer of heat is far more complicated than just colour.

But we are talking about two similar built lenses, light concrete might be hotter than grass, but it is a lot cooler than black concrete or tarmac in the same sun.

Yep.

Bottom line, a black-painted metal object in the sun will reach a higher equilibrium temperature than a similar object painted white.  Did you try my hood of the car suggestion?  Maybe it's been too cloudy lately...  You could try reading this, instead:  http://rack1.ul.cs.cmu.edu/hotcars/

15

Lenses / Re: stacking up 2x+1.4x (both Mk 2's) on a 70-200 f2.8 L IS & Canon 5d Mark iii

« on: Today at 10:43:29 AM »

Is it possible to stack up two extenders 1.4x Mk2 + 2x Mk2 on a canon 70-200mm f2.8 L IS lens with Canon 5d Mark iii ?
With the recent firmware update i reckon its possible to autofocus with the center point @ f8.

not the genuine canons

As stated above, the 'genuine Canon' TC's the OP lists can be stacked - they are the MkII versions.  The 2xIII has two additional elements compared to the 2xII, and there's not enough space at the back of the rear element to accept the protrusion of the 1.4x TC. 

Note that you can stack a 1.4xIII and a 2xII - the limitation is for the 2xIII.