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Messages - neuroanatomist

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3. Thinking of moving objects(my daughter), I set my camera to AI SERVO, used all AF points, turned off IS and snapped away.  How would the focus on the 6D compare to this type of situation?  I would hope it would be better?  BTW, this was manually pressing the shutter button, not using burst.

The 7D will be better, IMO.  Higher density of AF points and all cross-type AF points both mean better AI Servo performance. 

5. Is using LR to clean up noise an acceptable practice?  Does anybody really care if they like the picture?  Most people that look at my photos(all but one really) don't even notice things like bad shadows, noise, sharpness, etc..

7.  Again, the sharpness in my images are also improved in LR.  And again, I ask, is it acceptable practice to use PP for things like this?

Of course.  All's fair in love, war, and post-processing.  Well, almost all - some photography contests restrict the amount/type of PP you can do, but NR is pretty much always fine.

6. As for the "advantage" of a crop sensor.  Don't take my words too seriously :)  I just meant that I get 1.6x vs. FF.  Call that a pro, con, whatever.  If I take a picture at 200mm with a 7D vs. FF, am I really getting a "closer" picture? 

You're not getting a closer picture.  A 200mm lens projects a subject on the focal plane at a given size, regardless of the sensor.  But as pointed out, current APS-C sensors generally have a higher pixel density than current FF sensors - that means more pixels on target with APS-C.  Whether that's a benefit for you depends on your output.  Comparing a 7D image to a 6D image cropped to the field of view of an APS-C sensor, the image quality will be at least equivalent, the 6D may be slightly better...but it will be a 7.8 MP image vs. an 18 MP image.  8 MP is sufficient for web, prints up to about 12x18", etc.  If you don't need to crop the image, the 6D will offer substantially better IQ.

9.  I noticed someone mention the 6D will easily beat out the 7D in low light.  Thinking about that, I like to take pictures without flash whenever I can.  I like the natural lighting better.  I think the 6D is much better for this scenario.

10.  Someone mentioned the noise when taking bird photos.  I agree 100%, the noise is really noticeable.  If you look at bird pics on 500px, flikr, etc... they are so clean, I often wonder if I'm missing something.  I hate to say it, but I'm pretty anal about noise.

The 6D (any FF sensor) gathers more total light - that means less noise at high ISO. I think my 1D X is about 2 stops better than my 7D, the 6D is likely at least 1.5 stops better.  Combined with a faster lens, that can make a big difference (provided you have enough DoF).

Of course, tomorrow I might change my mind and want to buy the 5D3 :D  I'm sure you all know how that goes  :P

As a general purpose camera, I think the 5DIII is a much better choice than the 6D.  I believe that you'll find the 7D to 6D to be a step up in image quality, but step down in AF performance for moving subjects and in build quality.  A 5DIII would be a step up across the board.

So, with the same lens on each body and iso noise not being limiting...
Unfortunately, my experience with the 7D in environments where/when I commonly shoot birds is that ISO noise often is limiting, in particular for the high shutter speed often necessary.

For me (on 60d) the iso noise limit is in my head, that's the annoyance - next to exposure and framing I think about shutter speed/noise tradeoff all the time - either I get less keeper because of camera/motion blur, or the shots are crappy because of too much noise or too shallow dof.

Noise is not limiting when looking back at good shots, but few people state how many shots and opportunities they lost for a good one. That's why I'm really looking forward to a ff sensor. Realistically you can use higher iso even on crop when the final output size is not 100%, but for pixel-level 18mp iso800 is the absolute max that at least gives some air for postprocessing.

Below are a pair of 100% crops from shots at ISO 3200, one from the 1D X and one from the 7D.  I wonder which is which?   ::)

Lenses / Re: 100mm 2.8L vs 135mm 2.0L
« on: December 10, 2012, 01:26:33 PM »
Edit; Neuro beat me by a second.

It was a full minute, actually.   :P

Lenses / Re: 100mm 2.8L vs 135mm 2.0L
« on: December 10, 2012, 01:23:12 PM »
Everyone here always says the non-L macro is identical in sharpness to the L version. I've never seen any real evidence to this.

This.  Or compare this vs. this

Lenses / Re: Problem with EF-S 10-22mm Image Softness
« on: December 10, 2012, 01:20:21 PM »
Asymmetrical loss of sharpness is usually due to decentering of one (or more) lens elements.  Canon can certainly correct the problem, not sure of the cost (depends on the severity), but figure $200 more or less.

So, with the same lens on each body and iso noise not being limiting...

Unfortunately, my experience with the 7D in environments where/when I commonly shoot birds is that ISO noise often is limiting, in particular for the high shutter speed often necessary. 

weather-sealed 35 mm lenses

Short answer: there aren't any.  Neither the Canon nor the Sigma are sealed lenses.  If you require a sealed lens at 35mm, you need to look at a zoom (16-35 II, 24-70 I or II) but then you're going to f/2.8.

Optically, the new Sigma 35/1.4 is better than the Canon 35L.

Lenses / Re: What's your dream lens
« on: December 10, 2012, 10:54:26 AM »
EF 200 2.0L USM IS (in black)


Lenses / Re: Sigma 35mm f/1.4 vs Canon 35mm f/1.4
« on: December 10, 2012, 10:53:33 AM »
There was a new Canon 35/1.4 patent some time ago. As I've pointed out before, every L-series prime at 100mm and under has been updated or newly released since 2006, except the 35L.  I'm hoping the Sigma release spurs Canon into releasing a 35L II - personally, I'm most interested in the weather sealing.
Technically the current Canon 35L is not fully weather sealed like most other L lenses so the Sigma is no worse off. Unless Canon changes this for a new 35, the Sigma will be just as good in theory. Also, do you really think Canon will put out a new 35mm since they just released the 35mm f/2 IS? Two 35's within a year would be rare.

Quite possible, as was pointed out they released two 24-70mm lenses almost concurrently.  The 35L is really due for an update, IMO.  If I didn't already have the 35L, I'd consider the Sigma.  As it is, I'm pleased with the 35L with the exception of the lack of weather sealing, which I presume would be a feature of a 35L II.  I'll keep waiting...

Lenses / Re: Nikkor Vs L Lens
« on: December 10, 2012, 09:55:55 AM »
Nikkor 600mm F4 + Nikon D4 = £11269.99
Canon 600mm F4 II + Canon 1Dx = £15899.99

You're talking about the wrong sort of pounds.   :P

Nikkor 600mm F4 + Nikon D4 = 13.8 lbs
Canon 600mm F4 II + Canon 1Dx = 11.6 lbs

The 2.2 lb lower weight of the Canon combo means I can carry it more easily, and most importantly, shoot it handheld. 

Canon General / Re: What real Pros shoot...
« on: December 10, 2012, 09:49:41 AM »
^^^ That was a tongue-in-cheek comment, btw.  To be clear, I hearby and forthwith tag the above post as <sarcasm>.   ::)

Canon General / Re: What real Pros shoot...
« on: December 10, 2012, 09:48:32 AM »
If you search "reuters photographer" on Youtube, you'll be hard-pressed to find Reuters stickers on anything other than Canon gear.

For a photojournalist, the most important thing is to get the shot.  It seems clear that Reuters, one of the world's premiere news agencies, believes that Canon is the best choice for that demanding task - the best gear for the job.

But, apparently, Nikon makes a better monopod cover.   :P :P :P

Site Information / Re: 6D Sample Images Gallery?
« on: December 10, 2012, 09:36:02 AM »
A 6D image gallery is now available here:

Canon General / Re: Remote Shutter Release for Canon 5D3
« on: December 10, 2012, 07:54:16 AM »
I can recommend the Canon LC-5. But it´s very expensive.
If you don´t have the money use the Giga T Pro II...

It's not just about the size of the invoice...  One great use for a wireless trigger is so you can be in the picture, and conceal the transmitter in your pocket.  I can afford the LC-5, I just don't want to look like a pervert when I'm in a picture.  :o 

EOS Bodies - For Stills / Re: 5D Mark III Frustrated Focusing problem
« on: December 10, 2012, 06:06:38 AM »
I assume you are all referring to Bryan Peterson's Understanding Exposure?

Yes, sorry!  Although...Michael Freeman's Perfect Exposure is also a good read (I have both, actually).

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