Erik Magnuson

Erik Magnuson

Lives in United States Cape Canaveral, FL, United States
Has a website at http://www.pbase.com/maderik
Joined on Dec 29, 2000
About me:

This is what I'd like to appear on my public 'posters (sic)
profile.'

Comments

Total: 250, showing: 81 – 100
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On Canon EOS 70D Review preview (681 comments in total)
In reply to:

wakaba: So it sucks and sticking tailfins (WiFi and strange sensor) on that Olds is not going to make it better.

Canon is dead, check the data on dxo, 30-100% worse than a D600.

DxO tells you the best you can get with careful raw processing. But you need to map those numbers into visible results and factor in the raw processing you will do. I assume you have a gallery of images that are visibly better because you were able to exploit the sensor differences?

Direct link | Posted on Nov 1, 2013 at 14:46 UTC
On Canon EOS 70D Review preview (681 comments in total)
In reply to:

mpgxsvcd: I think Dpreview gives out more "Gold Stars" than a 60 year old Kindergarten teacher. Next they will probably start grading everyone on a 4 point system where no one ever gets a 1 or a 4 and you only get a 2 if you really screwed up in a major way.

You are assuming there is a meaningful differentiation that would universally apply to all DPR readers. Gold/Silver/stars/percentages are popular and they have exactly whatever meaning you wish to assign them.

Direct link | Posted on Oct 31, 2013 at 15:54 UTC
On Canon EOS 70D Review preview (681 comments in total)
In reply to:

tabloid: This Canon dual pixel sensor would be great in my Sony A65.
They were made for each other.

It's better than current contrast AF for lenses not designed for fast CDAF -- hich would include all A-mount lenses like those that fit the OP's A65.

Direct link | Posted on Oct 31, 2013 at 15:20 UTC
On Canon EOS 70D Review preview (681 comments in total)
In reply to:

Frederik Paul: Use Canon DPP for raw development and apply some chroma NR and the 70D gets closer to the D7100. But some people will never get this…

You see DPP artifacts if you pixel-peep at 100%. Do you see them if you print? You always have to ask why are you peeping.

Direct link | Posted on Oct 31, 2013 at 15:11 UTC
On Canon EOS 70D Review preview (681 comments in total)
In reply to:

Bjorn_L: Strange that DPR seems at odds with DXOs measurements. For example DR. DXO says it is poor, you say it is good. Are you or are you not partnered with DXO?

DXO's results say this sensor is about the same as the rather ancient 50d.

Canon Canon Canon
70d 60d 50d
overall 68 66 63
Color bit 22.5 22.2 21.8
DR evs 11.6 11.5 11.4
ISO 926 813 696

This is 0.7 bits more color detail, 0.2 Evs more DR and less then 1/3rd stop better in ISO.

Lagging well behind every current offering from Sony, Pentax and Nikon. Even the smaller sensor Olympus OM-D E-M1 and Panasonic GH3 best it in every category except ISO (where the Canon has a 1/7th to 1/5th stop advantage, which is fairly trivial compared to the difference between the 70d and its "same sized sensor" peers.

I am impressed by many details about the 70d and by the camera as a whole, but some of your comments are baffling.

DXO does not say the DR is "poor" - they say base ISO DR is lower than other models in the same price range. But by ISO 400 the difference is gone. In real world shooting, is the 70D "good?" If another camera is "better" do you know the visible difference?

Direct link | Posted on Oct 31, 2013 at 15:07 UTC
On Canon EOS 70D Review preview (681 comments in total)
In reply to:

mpgxsvcd: I think Dpreview gives out more "Gold Stars" than a 60 year old Kindergarten teacher. Next they will probably start grading everyone on a 4 point system where no one ever gets a 1 or a 4 and you only get a 2 if you really screwed up in a major way.

Yes, almost every recent camera is excellent. Why is this a problem?

Direct link | Posted on Oct 31, 2013 at 14:51 UTC
On Nikon D5300 preview (278 comments in total)
In reply to:

david vella: Why would anybody, with no brand loyalty or lens collection, looking for a new DSLR buy this plastic fantastic wonder in preference to a Pentax K3 for not a lot more money .
Compared to the competition's new round of releases , Nikon seem to be iterating the same old lackluster stuff. As usual Thom Hogan thinks otherwise and predicts the big two will fight back and wow us with something fantastic in the New Year . I have my doubts about Nikon delivering, judging by their recent past and questionable product decisions / marketing strategy.

Why? Because it uses Nikon lenses. Because you can find one in your local shop. Because the images will be just as good and it's cheaper.

Direct link | Posted on Oct 17, 2013 at 11:53 UTC
In reply to:

rikyxxx: Wow, 1/16000 silent shuter!!!

Isn't awkward that Sony and Panasonic, two companies w/o a "photographic history", try (and succeed) to innovate more than Canon, Nikon and Pentax?

Nikon has been offering a 1/16000 electronic speed on the 1 series for a couple of years now. The real issue is if it avoids the motion artifacts with current panasonic electronic shutter implementations.

Direct link | Posted on Oct 17, 2013 at 11:50 UTC
On Sony Alpha A7 / A7R preview (2371 comments in total)
In reply to:

GabrielZ: Wow! I'm gob-smacked by the difference in size between the Alpha and the 6D - that's really a tiny full-frame camera. Impressive!

An RF body design cannot replace the hump, only relocate or restyle it. Unless you think Sony left a large empty space somewhere in the body....

Direct link | Posted on Oct 16, 2013 at 18:14 UTC
On Sony Alpha A7 / A7R preview (2371 comments in total)
In reply to:

quangzizi: Cheap Leica anyone? They will liquidate soon I guess.

How many Leica owners have embraced the EVF as their only or even primary viewfinder?

Direct link | Posted on Oct 16, 2013 at 18:11 UTC
In reply to:

babalu: NOKIA and NIKON should both sue each other for copying their brand names backward AND getting it wrong, to boot.

You do realize that in the 50's Nikon was sued by Zeiss Ikon because of the similarities in name. "Nikon" could not be imported into Germany for a time, so everything was branded "Nikkor" even bodies and accessories.

Direct link | Posted on Oct 15, 2013 at 14:04 UTC
On Preview:canon-eos-70d (1311 comments in total)
In reply to:

Photo Pete: Anyone know why this is seen as a 'breakthrough' when the Nikon 1 series has been doing on-sensor pdaf for a couple of years AND with very high continuous AF rates?

peevee > every half of the pixel takes only about half of the light falling on it

Huh? The two halves are read independently only for AF, not image capture. For image captures, both halves are read as a single pixel with each half contributing fully. No low light quality is lost (i.e., DXO low-light score is slightly higher than for 60D)

Posted on Oct 11, 2013 at 20:18 UTC
On Preview:canon-eos-70d (1311 comments in total)
In reply to:

Photo Pete: Anyone know why this is seen as a 'breakthrough' when the Nikon 1 series has been doing on-sensor pdaf for a couple of years AND with very high continuous AF rates?

Groucher: brilliant with the FT-1 for "pdaf for a couple of years AND with very high continuous AF rates"? The AF-C support w/FT-1 is only a few months old, not years. Does it continue to change focus with the FT-1 at high rates?

Posted on Oct 11, 2013 at 19:42 UTC
On Preview:canon-eos-70d (1311 comments in total)
In reply to:

Lucas_: I wonder why DPR is taking all this trouble in explaining how to use the Canon 70D AF effectively... I don't remember them doing this when the Sony SLTs ( which have continuous LV AF on both LCD and VF ) came out!
Talk about bias...

And DPR dedicated a page about this feature in the A99 review, so there is no bias.

Posted on Oct 11, 2013 at 18:41 UTC
On Preview:canon-eos-70d (1311 comments in total)
In reply to:

ManuelVilardeMacedo: It is ridiculous that some blame the test for the poor OVF AF results!
As for me, Canon can include their 'dual pixel' autofocus system among its least of Most Relevant Innovations. People should congratulate the ones who developed this technology, as it's definitely an advance for photography.
...Still it puzzles me to see manual focus works even better than 'dual pixel'. One would be forgiven to ask why they bothered inventing autofocus at all.

3. The lens age also matters - the newest Canon lenses have improvements that can be used to increase PDAF accuracy:
http://www.lensrentals.com/blog/2012/07/autofocus-reality-part-ii-1-vs-2-and-old-vs-new

It's not clear how much the 70D can utilize these capabilities.

Posted on Oct 11, 2013 at 17:52 UTC
On Preview:canon-eos-70d (1311 comments in total)
In reply to:

Photo Pete: Anyone know why this is seen as a 'breakthrough' when the Nikon 1 series has been doing on-sensor pdaf for a couple of years AND with very high continuous AF rates?

Because it can do it with existing lenses that were not designed with a new small/light internal focusing mechanism. How well does the Nikon 1 do with the FT-1 adapter and AF-S lenses?

Posted on Oct 11, 2013 at 17:46 UTC
On Preview:canon-eos-70d (1311 comments in total)

BTW, OVF phase detect autofocus *can be* as accurate as CDAF - but it takes improvements to BOTH the lens mechanics AND the camera sensor/algorithms. See the charts from http://www.lensrentals.com/blog/2012/07/autofocus-reality-part-ii-1-vs-2-and-old-vs-new where the 5DIII with the new 24mm f/2.8 IS has the *same accuracy/consistency in either mode*. Yet the old 24mm f/2.8 lens on the 5DIII does not. Neither does the new lens on the 5DII. The entire "Autofocus reality" series is worth a read.

Posted on Oct 11, 2013 at 17:19 UTC as 80th comment | 3 replies
On Preview:canon-eos-70d (1311 comments in total)
In reply to:

Bob Meyer: So wait. Did DPR NOT do the micro-focus adjustment BEFORE running these tests? That's what is sounds like, and if so then the entire test is invalid.

It sounds like they tested a known mis-adjusted system for the standard PDAF test. That's like putting the wrong size tires on your car and then complaining that the speedometer is inaccurate.

Every rim+tire combination has to be individually microadjusted (i.e. balanced) for best performance. DPR just plopped the tires on without that step and then complained about the ride.

Posted on Oct 11, 2013 at 16:06 UTC
On Preview:canon-eos-70d (1311 comments in total)
In reply to:

Cane: Is there an English translation of this?

If critical autofocus matters, either use the live-view autofocus OR calibrate your camera for each lens. If subject tracking in continuous shooting matters you must use the regular AF on a 70D.

Posted on Oct 11, 2013 at 15:34 UTC
On Preview:canon-eos-70d (1311 comments in total)
In reply to:

Lucas_: I wonder why DPR is taking all this trouble in explaining how to use the Canon 70D AF effectively... I don't remember them doing this when the Sony SLTs ( which have continuous LV AF on both LCD and VF ) came out!
Talk about bias...

Sony SLTs use the same set of independent PDAF sensors for autofocus regardless of the viewfinder so there is nothing different to test (that's what the translucent mirror is for - to direct light to the PDAF sensors). Their PDAF system will be subject to the same types of variability as the 70D OVF PDAF and so they also have microadjustment options to compensate.

Posted on Oct 11, 2013 at 15:24 UTC
Total: 250, showing: 81 – 100
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