July 29, 2014, 04:53:55 AM

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Messages - robbinzo

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Lenses / Re: Need help deciding on my next lens
« on: July 10, 2014, 07:52:17 AM »
I own the 70D and have both the 15-85 and 10-22mm EFS lenses. Both lenses are excellent.  :D
To be perfectly honest, the 10-22 doesn't get much use now that I own the 15-85mm and I would suggest that you either have one or the other.
The 15-85mm is a very good lens and feels well balanced on a 70D. You will like it.

EOS Bodies / Re: Canon EOS M Vanishes from Canon USA Web Site
« on: May 30, 2014, 05:10:05 AM »
Dual pixel AF system in the next EOS M = winning product.
My ha'penny worth.

EOS Bodies / Re: Canon 70d center focus point -bug- problem
« on: May 20, 2014, 02:08:13 PM »
I agree with what Neuro said regarding AFMA.
My 70D works just fine once the AFMA is set up for each of my lenses. The main issue was with my 50 f/1.4 which gives much better AF results using liveview AF. I actually now prefer to use the liveview for portraits because the dual pixel AF is so good. It is worth buying the 70D for the liveview dual pixel AF alone. Have I mentioned that the dual pixel AF rocks?
I upgraded from the 550D and it's perfect for me.

Canon General / Re: In need of a "walk around" camera
« on: March 07, 2014, 06:07:47 AM »
the new Fuji X-T1 all the way

The view finder is massive for such a small camera and is very good for manual focus with twin screens for peaking at detail.

Lenses / Re: Strange AFMA results with canon 50 f1.4
« on: February 25, 2014, 05:21:51 PM »
AFMA for my 50 f/1.4 seems to change every time I put it on my 70D.
Using Reikan Focal I get somewhere from +13 to +20 at f/1.4.
My lens also varies with subject distance.
I have sent this lens back to Canon and it came back exactly the same.
I've posted before that I use live view on my 70D with this lens whenever possible because it's so hit and miss through the viewfinder. The dual pixel liveview AF has been much more accurate for me with this lens.

I've been thinking about going Sigma because of AF issues with my Canon 50 f/1.4.
I love the shots I get with it but there used to be so many out of focus shots that it was just infuriating. I was teetering on the brink of selling it.
However, since I bought my 70D, I can nail focus most of the time. Why? Dual pixel AF technology. I am almost exclusively using live view AF now with my nifty fifty and I can report that the results are so many times more consistent than even the very good inherited-from-the-7D AF system can produce.
I've been shooting indoors today with f/2.0 with a shutter speed of 1/100 albeit pushing the ISO a bit but the results are very good indeed.
Even adjusting the AFMA doesn't come close to the live view focus because the focus is achieved on the sensor and there are no adjustments necessary in live view. It was a real wow moment.
The live view seems to be pretty quick too. Not much messing around hunting for focus.
I love my 50 again!
This also begs the question: Would the Dual Pixel AF system work well with 3rd party lenses?
Has anyone out there used the 70D with a 3rd party lens and found their results have improved?

Lenses / Re: The 10 Oldest Canon Lenses in Production
« on: January 10, 2014, 03:47:51 PM »
I don't think that Canon should replace the 50mm f/1.4 with a f/1.8 IS. The reason being the Sigma Art lenses.
I would hazard a guess that a new Canon 50mm f/1.8 IS would be a similar price to the new Sigma 50mm f/1.4. That would be an interesting choice.

Canon General / Re: What you like the most in Canon 70D
« on: January 04, 2014, 10:26:17 AM »
I've just purchased the 70D from DigitalRev. Really good service by the way.
I haven't had a lot of time to play around with it yet, but here are a few thoughts:
I upgraded from a 550D so I really like the autofocus system on the 70D. Outside in reasonanble light with a 17/40mm f/4 lens focus is rapid and accurate with no focus hunting. All the AF points seem to work equally well.
I like the integrated speedlite transmitter. Works well indoors so far.
The ISO performance is not much of an upgrade from the 550D if at all, which I expected. However, ramping up the ISO to 25,600 and shooting B&W gives some interesting results.
I really do like the Dual pixel AF in movie mode. I like the touchscreen for focusing in movie mode, although in low light this system hunts a lot when taking photos in liveview mode. Not a surprise and not really an issue.
Built in electronic level is very helpful and also like the shutter count in the battery info.
All in all I'm really happy with my new camera.

Now, I'm sure somebody will correct me very quickly if I am wrong but...
The A7R does not have an optical low-pass filter. This means it struggles with AF but gets cleaner data from the sensor. Doesn't the low pass filter blur the image slightly?
So yes, you get cleaner images from a sensor without a low pass filter but it also has it's drawbacks - i.e. the AF sucks.

I read an article in The British Journal of Photography a while ago by someone (haven't got the mag with me so can't check) saying that they preferred the 5D because its ISO noise was closer to film grain. Low noise at high ISO doesn't always convey the feel you want.
I've been tempted to buy a 5D myself but as people have stated, the rear screen isn't ideal and it is a dust magnet.
Good idea. I do like the idea of the 5D for portraits instead of my 550D.

Lenses / Re: 17-40 VS 17-55
« on: October 24, 2013, 03:21:33 AM »
I believe the answer to your question is to try out both lenses for yourself.
However, here are my thoughts (in no particular order) on my 17-40mm:
The 17-55 EFS gets rave reviews for it's optics but personally I'm not so bothered about razor sharp images.
I use the 17-40 mm L on my 550D a lot because it has the right focal length range for me.
I like the fact that the 17-40 focuses and zooms internally - the front element does not extend.
Corner sharpness is not such an issue on crop as it is on FF.
Note: The 17-40mm L auto-focuses very quickly.
I don't use the 17-40mm for my livelihood so I'm not too bothered by a little barrel distortion or softness.
This lens is relatively robust and seems well balanced on my 550D.
Having said all that, an extra f stop is always nice to have.

Black & White / Re: A Light Read
« on: September 15, 2013, 08:57:23 AM »
I personally like the picture as it is and I don't think that it needs anything added.
It captures a moment, which is what photography is all about.
I agree that cropping out the dark to the right would help the shot.

Third Party Manufacturers / Re: Rumored Sigma Lenses Coming in the Next Year
« on: September 14, 2013, 06:48:18 AM »
And if the 24-70 actually is an f2, that would probably be on my camera most of the time.

I agree. I would buy a 24-70 OS HSM in a heartbeat. Image stabilisation and f/2? That would be an interesting comparison to Canon's 24-70 f/2.8 II L.
I think what Sigma are doing is very exciting - and will also be very good for us consumers.

Reviews / Re: Review - Canon EF 17-40mm f/4L
« on: September 12, 2013, 07:39:32 AM »
Is the 17-40 really a metal body? Mine appears to be engineering plastic as the main body with a metal zoom ring.


EOS Bodies / Re: The last Canon crop sensor - ever
« on: August 09, 2013, 02:51:43 PM »
Add more little cross-type(AF points) to 6D and give it 1-3 more fps, I think people will be over it, including me.


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