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Author Topic: Canon EOS 70D Spec List [CR3]  (Read 140346 times)

Don Haines

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Re: Canon EOS 70D Spec List [CR3]
« Reply #300 on: June 30, 2013, 11:34:42 PM »
I have one of those....it fits into the pocket of the PFD (Personal Flotation Device, not a typo of PDF)... My first shots of it were underwater.... Take a deep breath, roll over in the kayak... Snap a picture, and roll up again.... Try that with a DSLR!

I'd like to see that shot! Got it online somewhere?
Nope.... It was a very poor shot... I had it aimed wrong and ended up with blurry pictures of yellow hull.  I have since had many nice pics from it.... And now both Canon and Nikon have equivalent cameras, but at that point in time, Olympus was the only real choice for a tough and underwater p/s
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Re: Canon EOS 70D Spec List [CR3]
« Reply #300 on: June 30, 2013, 11:34:42 PM »

jrista

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Re: Canon EOS 70D Spec List [CR3]
« Reply #301 on: July 01, 2013, 12:05:31 AM »
Well let's summarize the DPR forum troll-style complaints for this new body:

1. "only" 20MP, the D7100 w/ 24MP beats it! :P
2. "only" 1 card slot, and an SD slot at that, the D7100 has 2!
3. "only" 7FPS, it "won't replace my 7D"
4. only WiFi, no GPS onboard (despite D7100 not having both)
5. still appears to have an AA LPF on the sensor, the D7100 already doesn't have one!
6. no 100% VF coverage, the D7100 has it
7. "only" 19 AF pts. compared to 51 for the D7100, despite having more cross-type (19 vs. 15)
8. no f/8-capable AF center pt., unlike the D7100
9. prolly has no AFMA, dual-axis electronic level (maybe single-axis like the 6D/60D), crippled FW, etc.
10. and of course, for the band of 800% magnification pixel-peeping brothers, still has patterm banding and not as much DR as the Sony sensors, still no column-parallel ADC, yada-yada... :P

LOL

I would have to say, the only *puzzling* feature to me is the inclusion of WiFi. I understand the value of WiFi for professional photographers who regularly tether their cameras and the like. I find GPS to be a much more useful consumer/prosumer feature than WiFi. Given the 70D's placement, that's the only feature that puzzles me. I am certainly not complaining about it...its an extra feature, can't complain about that. But it is a puzzling one...

Marsu42

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Re: Canon EOS 70D Spec List [CR3]
« Reply #302 on: July 01, 2013, 02:08:09 AM »
I find GPS to be a much more useful consumer/prosumer feature than WiFi.

In-camera wifi might be convenient, but has these disadvantages vs. a $50 dedicated gps logger:

* drains camera power, you might even forget to turn it off
* much(!) less precise / updates pos. much more seldom
* not always in the best signal position (you can put a small tagger in your breast pocket, ...)
* camera is larger than a logger: if you want to do travel logs you always have to carry your camera around
* no wayfinder/geocaching mode (you cannot set coordinates and let the logger guide you)
* no a-gps (camera needs longer to find the satellites).

The one disadvantage of the gps logger that you have to attach the track log to your pictures afterwards, but this is done with one click in Lightroom or other apps. For me, in-camera gps is a gadget I could really do without.

SenorClean

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Re: Canon EOS 70D Spec List [CR3]
« Reply #303 on: July 01, 2013, 02:14:31 AM »
The one disadvantage of the gps logger that you have to attach the track log to your pictures afterwards, but this is done with one click in Lightroom or other apps. For me, in-camera gps is a gadget I could really do without.

Same for me - I have a Holux 1000c for logging if I could be bothered.  One other disadvantage though - you can forget the logger (as I did on a round-the-world trip last year)!  But then I just used my phone/tablet.

I think I may have a tough decision coming up between the 70D and the 6D... well and truely overdue to replace my 450D but I couldn't bring myself to buy something with the retro 18MPixel sensor and spend my cash on glass instead.

sarakoth

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Re: Canon EOS 70D Spec List [CR3]
« Reply #304 on: July 01, 2013, 03:01:55 AM »
I think I may have a tough decision coming up between the 70D and the 6D... well and truely overdue to replace my 450D but I couldn't bring myself to buy something with the retro 18MPixel sensor and spend my cash on glass instead.

Same prob I have from a 500D... 6D AF has me scared, plus havign to buy some FF lenses, though the IQ is more than enough, but unless this is truly a new sensor, I dont think the high ISO performance will be enough to choose the 70D. So as usual it will be FF IQ versus Crop quality but with more options, better AF, etc (for my price range).

dgatwood

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Re: Canon EOS 70D Spec List [CR3]
« Reply #305 on: July 01, 2013, 03:54:08 AM »

In-camera wifi might be convenient, but has these disadvantages vs. a $50 dedicated gps logger:

I assume you mean in-camera GPS.  Now I'll give the counterpoint for each point.


* drains camera power, you might even forget to turn it off

Requires a separate power source.  You might even forget to turn it on, charge it, or replace the batteries, then find out that you have no location data for any of your pictures at the end of the day.  By contrast, most people carry more than one camera battery, and believe me, if you're taking pictures, you notice when it runs down.  :)


* much(!) less precise / updates pos. much more seldom

There's absolutely no reason why this should be the case.  In fact, if anything, the reverse should be true.  The camera should query the GPS for its actual position when you take a shot, and should only use a stale position if it doesn't have a valid signal.  So using any sort of track log is much less precise than proper in-camera GPS.  The only situations where that is not true is when you're indoors in a location where a large GPS unit with a large antenna happens to be able to get a signal where the camera's GPS can't.  But even then, you're only as accurate as the interval between samples allows, which means it might be more precise, but it might also be less precise.


* not always in the best signal position (you can put a small tagger in your breast pocket, ...)

If anything, that's a worse location.  Your body soaks up signals.  The farther away from that bag of meat, the better.


* camera is larger than a logger: if you want to do travel logs you always have to carry your camera around

A GPS logger is one extra device.  Chances are, you're going to have your camera with you anyway.  And if you really just want a log of where you're going rather than where you took specific photos, chances are, your smartphone also has GPS and can do the logging without the need for carrying yet another device.


* no wayfinder/geocaching mode (you cannot set coordinates and let the logger guide you)

Typically, the GPS receivers people use with cameras are tiny devices whose UI consists of little more than a switch to change the sampling interval, a slot to stick a flash card into, and a power switch.  They don't even have a screen, so they're no more useful than the in-body GPS.  But at least the in-body GPS *could* be adapted to do those things with a firmware change.  An external logger without a screen can't readily be modified to do that at all.

Besides, again, you probably have a smartphone, and it can probably do all those things.  The purpose for GPS in a camera is to tag photos.  Anything more than that and you're probably just duplicating functionality that the user already has in a more appropriate form factor (phone).


* no a-gps (camera needs longer to find the satellites).

aGPS is certainly an interesting technology, and certainly useful, but in practice, the reason it matters in smartphones doesn't apply to GPS devices that are solely used for cameras.  It's important for smartphones because the satellites transmit data very slowly.  For a device to get a GPS fix, it requires a critical piece of data, the ephemeris, which tells where the satellites are in the sky.  It takes half a minute to stream that data via GPS satellites.  aGPS can cut this so-called "warm fix" down to a couple of seconds by fetching that data over the cellular network.

In the context of a phone, the difference is critical because nobody wants to sit there waiting for half a minute waiting for their phone to show where they are.  With a camera, however, you usually switch it on at the start of the day, and GPS remains active through the day (unlike a phone, where the receiver is active only when in use).  Therefore, after that first thirty seconds, the only time the camera needs to re-acquire the ephemeris data is when GPS has been shut off for more than four hours since it last received GPS data...  and possibly when you switch batteries, if it doesn't persist that data across battery swaps.

Thus, unless you're very rarely taking pictures, the warm fix time affects you once per day, and only if you don't power up the camera until just before you take your first shot of the day.  After that initial warm fix, every acquisition should be a "hot" fix, which means that it should take about as long as it takes you to move your thumb from the power switch and pull the camera up to your eye, give or take a second.


The one disadvantage of the gps logger that you have to attach the track log to your pictures afterwards, but this is done with one click in Lightroom or other apps. For me, in-camera gps is a gadget I could really do without.

The bigger disadvantage is that it has no idea when you actually took a picture, so you have to choose a query interval that trades battery life for accuracy or vice versa.  And it's another device to forget to charge, to forget to turn on, to forget to put new batteries in, etc.  Also, you have to regularly synchronize the camera's clock to the GPS receiver or you're in for a world of hurt.

In short, the external devices are a significant hassle compared with in-body GPS, with no real benefits unless you are using a full-blown GPS receiver with a screen, you want to use it for some non-geotagging purpose, and you do not already own a smartphone or other handheld GPS device.

J.R.

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Re: Canon EOS 70D Spec List [CR3]
« Reply #306 on: July 01, 2013, 04:12:14 AM »

* much(!) less precise / updates pos. much more seldom

There's absolutely no reason why this should be the case.  In fact, if anything, the reverse should be true.  The camera should query the GPS for its actual position when you take a shot, and should only use a stale position if it doesn't have a valid signal.  So using any sort of track log is much less precise than proper in-camera GPS.  The only situations where that is not true is when you're indoors in a location where a large GPS unit with a large antenna happens to be able to get a signal where the camera's GPS can't.  But even then, you're only as accurate as the interval between samples allows, which means it might be more precise, but it might also be less precise.


Actually, the inbuilt GPS on the 6D tags the GPS location based on the most recent reading taken. You can set the interval at which you want to take the GPS readings - the default setting is 15 seconds.

It may be worth noting that the precision of the GPS is within a range of 30m and it doesn't provide any directional data.
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Re: Canon EOS 70D Spec List [CR3]
« Reply #306 on: July 01, 2013, 04:12:14 AM »

boateggs

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Re: Canon EOS 70D Spec List [CR3]
« Reply #307 on: July 01, 2013, 04:45:12 AM »
I think I may have a tough decision coming up between the 70D and the 6D... well and truely overdue to replace my 450D but I couldn't bring myself to buy something with the retro 18MPixel sensor and spend my cash on glass instead.

Same prob I have from a 500D... 6D AF has me scared, plus havign to buy some FF lenses, though the IQ is more than enough, but unless this is truly a new sensor, I dont think the high ISO performance will be enough to choose the 70D. So as usual it will be FF IQ versus Crop quality but with more options, better AF, etc (for my price range).

Same here, although the 6D AF is roughly what I am used to (only use center point now). Ill get both probably as I want one camera that does it all but I need 2 so SWMBO can use the other and dont want to spend the value of a kidney on a hobby for my girl and I. It is just a matter of what I want first: low light or action and speed
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Paramike

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Re: Canon EOS 70D Spec List [CR3]
« Reply #308 on: July 01, 2013, 05:08:55 AM »
This looks pretty good to me!  It would be nice to have an idea of when we could expect the 7DII as well, as I've been saving towards that rather than this.

Having said that, either one of them will blow my 400D away and I'm intrigued how my photography might change with all the gizmo's that these more modern cameras offer.

Here's looking forward to tomorrow!
Canon 400D (Soon to be Canon 70D!), Canon EF100-400mm, Canon EF 50mm F/1.8, Sigma 10-200mm, Canon 18-55mm (Soon to be Canon 18-55mm f/3.5-5/6 IS STM!)

aj1575

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Re: Canon EOS 70D Spec List [CR3]
« Reply #309 on: July 01, 2013, 05:42:14 AM »
To me, this spec list looks very nice. Pixel count is ok, FPS are higher that what I expected, also the 19 all cross type AF, WiFi is an important feature, I can live without GPS (it is so easy to add GPS Data with a smartphone).
What I am missing in the speclist is the size of the viewfinder and the memorycard type (I think it will be one SD slot; which is okay)
And the biggest question to me is the sensor, is it only a blown up version of the 18MP we all know, or is it a completly new design (hopefully so). I do not expect that we will hear that tomorow, but DXO will soon show us how good the sensor is.

yogi

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Re: Canon EOS 70D Spec List [CR3]
« Reply #310 on: July 01, 2013, 06:42:47 AM »
B&H photo lists the 7d for $1299 after a $200 instant savings. ...i am wondering how many might consider the 7d over the 70d if there is not much difference in price.

I asked this question in reply #85. Love my 7D

Sorry. Didnt read the whole thread. Call me lazy.  :-[

Marsu42

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Re: Canon EOS 70D Spec List [CR3]
« Reply #311 on: July 01, 2013, 06:57:17 AM »
Sorry. Didnt read the whole thread. Call me lazy.  :-[

It is good practice only to read the last 1-2 posts, then reply, why else would we be able to generate record-long threads repeating the same arguments all over :-p ? ... especially important: Never try to use search, just ask away "Is IS useful on the 100L" or "Is the 16-35L better than the 17-40L?" :->

Marsu42

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Re: Canon EOS 70D Spec List [CR3]
« Reply #312 on: July 01, 2013, 07:19:28 AM »
Concerning gps: I disagree, and here are my reasons, but as always I'm open to being convinced otherwise :-)

But first off: I've got nothing against built-in gps if it's thrown in there for free, but as it stands it's likely it's used as a marketing item and adds the same amount or more $$$ then an external logger.

* drains camera power, you might even forget to turn it off
Requires a separate power source.

I'm also a big fan of replaceable batteries, but my logger really logs 24h, so I never found that limiting. I also admit I rather like dedicated devices than the all in one stuff because specialized devices are usually better at what they do, and it minimizes risk because of damage/theft/powerloss ... of course that's really a personal preference.

* much(!) less precise / updates pos. much more seldom
There's absolutely no reason why this should be the case.  In fact, if anything, the reverse should be true.  The camera should query the GPS for its actual position when you take a shot

In theory, yes. But do you think the 6d takes the signal on every shot? Hardly, like other embedded gps devices it's build for power saving rather than precision, in real life the logging frequency of a dedicated logger in the trunk can be so high you can get a precise log of a fast moving car.

* not always in the best signal position (you can put a small tagger in your breast pocket, ...)
If anything, that's a worse location.  Your body soaks up signals.  The farther away from that bag of meat, the better.

I found it works nicely if you move around, it was just an example - and in any case it will be better than a camera stashed away in my bicycle bag under layers of protection.

* camera is larger than a logger: if you want to do travel logs you always have to carry your camera around
A GPS logger is one extra device.  Chances are, you're going to have your camera with you anyway.  And if you really just want a log of where you're going rather than where you took specific photos, chances are, your smartphone also has GPS and can do the logging without the need for carrying yet another device.

A smartphone is also a dedicated device, I don't have one :-p and my last non-smart phone's gps performance as very bad for example when exploring and crawling though former ussr barracks around Berlin. Plus a smartphone's gps also drains power from the non-replaceable battery as you argued above that's why I like to keep devices separate.

* no wayfinder/geocaching mode (you cannot set coordinates and let the logger guide you)
But at least the in-body GPS *could* be adapted to do those things with a firmware change.  An external logger without a screen can't readily be modified to do that at all.

I already requested a gps geocaching mode for Magic Lantern, I hope they do it sometime. And my $50 gps logger *has* a screen, that's why I bought it, so I can enter coordinates and find my way.

* no a-gps (camera needs longer to find the satellites).
aGPS can cut this so-called "warm fix" down to a couple of seconds by fetching that data over the cellular network.

Nope, on better non-smartphone loggers with a-gps you can also upload this data from the pc for the next months or so thus severely shortening the fix time when it's cloudy.

Thus, unless you're very rarely taking pictures, the warm fix time affects you once per day, and only if you don't power up the camera until just before you take your first shot of the day.  After that initial warm fix, every acquisition should be a "hot" fix, which means that it should take about as long as it takes you to move your thumb from the power switch and pull the camera up to your eye, give or take a second.

Amen. I didn't try the 6d gps and I hope it works this way... but at least my last phone traded precision for power saving, but maybe today's gps chips are more advanced.

The one disadvantage of the gps logger that you have to attach the track log to your pictures afterwards, but this is done with one click in Lightroom or other apps. For me, in-camera gps is a gadget I could really do without.
The bigger disadvantage is that it has no idea when you actually took a picture, so you have to choose a query interval that trades battery life for accuracy or vice versa.

My 24h gps logger is set for 5sec interval, I never move more than the gps' precision in 5sec, and if I would I could set it to 1sec with very little more power drain if the signal is strong. As I wrote above, I doubt the 6d gets an extra satellite fix right after every shutter release (or does it?). Even if so, the interpolation between 5sec logging intervals will be still more precise than the gps fuzz.

Also, you have to regularly synchronize the camera's clock to the GPS receiver or you're in for a world of hurt.

Your camera clock should be so precise so that's not often necessary...
« Last Edit: July 01, 2013, 07:23:32 AM by Marsu42 »

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Re: Canon EOS 70D Spec List [CR3]
« Reply #312 on: July 01, 2013, 07:19:28 AM »

xylus

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Re: Canon EOS 70D Spec List [CR3]
« Reply #313 on: July 01, 2013, 07:24:40 AM »
All I wanted an APS-C  sensor that can deliver decent result upto 6400 ISO and have a focusing system at least same as that 10yrs old 1D MkII.......within 1500$...am I asking too much?

schmidtfilme

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Re: Canon EOS 70D Spec List [CR3]
« Reply #314 on: July 01, 2013, 07:54:12 AM »
Before I make any decision I will wait for the 7D M2. I am not in a hurry. I would have loved GPS and wonder why this is missing. Well, still just a rumor....
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Re: Canon EOS 70D Spec List [CR3]
« Reply #314 on: July 01, 2013, 07:54:12 AM »