March 04, 2015, 02:13:36 PM

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Messages - 3kramd5

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61
EOS Bodies / Re: Canon EOS 5DS & EOS 5DS R Press Release
« on: February 05, 2015, 06:05:58 PM »
Has Canon ever boasted "wide dynamic range" before in their Press Releases?

"ISO 100-6400 sensitivity, further expandable to 50-12800, ensuring high quality images with low noise, accurate colours and wide dynamic range. "

I could be wrong, but I think not for a good 8 years. So that is promising.

I wouldn't necessarily say it's indicative of anything more than the competition in the market they're targeting, which specifically mentions Dynamic Range any number of places.
http://www.nikonusa.com/en/Nikon-Products/Product/dslr-cameras/D810.html

62

A full size 7D2 sensor isn't going to win over landscape photographers that have left Canon for Nikon/Sony.

I dunno about that. Even if it's "only" 12 stops of DR (or whatever), I'd probably rather take this than take my A7R. Better detail (likely), better form factor (certainly).

63
EOS Bodies / Re: The Dawn of a New Digital Resolution
« on: February 05, 2015, 02:34:43 PM »
I assume you mean the biggest square that will fit with current mirror assembly design.  Certainly there's no limit on the size of a sensor in-place.


I mean the biggest square that will fit the image circle of EF lenses (assuming that it touches opposite corners of a 36mmX24mm frame exactly; in reality it's likely somewhat larger).

Ah, I see your misunderstanding, it needs to be the other way around: the smallest square that covers the entire image circle.

Ah, yes, that would be a huge (the aformentioned 43-1/4mm). Mirrorless and possibly electronic shutter would certainly be the name of the game.

To me this is one of the two big payoffs for a mature FF mirrorless body.

There would naturally be the question of affordability. 43mm is longer than the short side of big-boy medium format digital (PhaseOne IQx80). I could see the premium being significantly more than that of APS-C -> FF.

Fun to think about, though.

64
EOS Bodies / Re: The Dawn of a New Digital Resolution
« on: February 05, 2015, 02:27:53 PM »
I assume you mean the biggest square that will fit with current mirror assembly design.  Certainly there's no limit on the size of a sensor in-place.


I mean the biggest square that will fit the image circle of EF lenses (assuming that it touches opposite corners of a 36mmX24mm frame exactly; in reality it's likely somewhat larger).

Ah, I see your misunderstanding, it needs to be the other way around: the smallest square that covers the entire image circle.

Ah, yes, that would be a huge (the aformentioned 43-1/4mm). Mirrorless and possibly electronic shutter would certainly be the name of the game.

65
EOS Bodies / Re: The Dawn of a New Digital Resolution
« on: February 05, 2015, 02:04:37 PM »
I assume you mean the biggest square that will fit with current mirror assembly design.  Certainly there's no limit on the size of a sensor in-place.


I mean the biggest square that will fit the image circle of EF lenses (assuming that it touches opposite corners of a 36mmX24mm frame exactly; in reality it's likely somewhat larger).

66
EOS Bodies / Re: More Images of the Canon EOS 5DS R
« on: February 05, 2015, 02:02:05 PM »
Even IF Sony produced the sensor, either their own design or Canon's, I dont think it would be Canon-like to flaunt that aspect.  We will however likely know everything within 24 hours.

I agree with the first sentence, not so much the second. We almost certainly won't know definitively who produced the sensor until someone like chipworks dismantles one.

Perhaps. But at CP+, one of the first questions will be "Who's sensor is this? Who produced it?"  So if not Friday, then next week at CP+.  I don't see us waiting until a tear down happens

Perhaps that will be asked, and perhaps it will be answered. ;)

67
EOS Bodies / Re: More Images of the Canon EOS 5DS R
« on: February 05, 2015, 01:23:47 PM »
Even IF Sony produced the sensor, either their own design or Canon's, I dont think it would be Canon-like to flaunt that aspect.  We will however likely know everything within 24 hours.

I agree with the first sentence, not so much the second. We almost certainly won't know definitively who produced the sensor until someone like chipworks dismantles one.

68
EOS Bodies / Re: The Dawn of a New Digital Resolution
« on: February 05, 2015, 01:13:17 PM »
As it is now, we're clipping a lot more than than.  I'd rather have them use a full-coverage square sensor, and then crop in post.  That completely eliminates the need for vertical orientation -- you can decide landscape vs. portrait in PP.

The biggest square that will fit is 30-1/2mm on the side, which sure, is 7% more area than a Full Frame, but if you then crop it to a common aspect ratio rectangle like 5X4, you're actually a good 13% smaller than Full Frame (30.5X24.4), although you have the advantage of cropping off center in one axis. If you crop it to 3X2, you're smaller yet, roughly 30% so (30.5X20.3).

Personally, I'd rather rotate my camera.

69
EOS Bodies / Re: The Dawn of a New Digital Resolution
« on: February 05, 2015, 10:18:39 AM »
A square 35mm x 35mm would be larger and use the same lenses. OK maybe slight corner clipping.

Slight? The diameter of a circle circumscribed by a 36mmX24mm frame is about 43-1/4mm. Likely EF lenses project a slightly bigger one to avoid severe corner vignetting, but let's take that as the actual.

A 35mmX35mm square is 49-1/2mm diagonally. So you're clipping over 3mm from each corner. Is that really usable?

To scale, it would roughly look like this:

 

70
EOS Bodies / Re: The Dawn of a New Digital Resolution
« on: February 05, 2015, 09:33:33 AM »
I'm surprised Canon don't look for a sensor bigger than full frame but smaller than medium format.
Maybe it's too tricky to invent a new format.

Then they would have to also produce a whole new range of lenses with a larger image circle.  Doesn't make much sense.

Yup. They could probably get away with the TSE lenses in their un-shifted, un-tilted position, but everything else would heavily vignette at best.

Maybe the cinema lenses are larger too, but I imagine they're designed for the 3:2 35mm frame.

71
EOS Bodies / Re: Canon EOS 5DS & EOS 5DS R Press Release
« on: February 05, 2015, 09:24:21 AM »

I had a quick look at my Facebook feed before driving off to work, and there were pictures of the 5Ds and R. I think what I saw was the CR post but I wonder why it's not showing here in the website.

http://www.canonrumors.com/forum/index.php?topic=24931.0

72
EOS Bodies / Re: Skipping the 5D-s. What do you want in 5D4?
« on: February 04, 2015, 01:03:00 PM »
More cross tape AF points would be nice, but what I'm really looking for (in any body) is more dual Cross type AF points so that you can actually have a decent AF spread at f8.

... aren't dual crosses f/2.8 or faster?

73
If it offers something compelling at a price I can afford, I'll consider buying one, and consider selling a 5D2 to partially fund it. I'll be keeping my 3.

74
EOS Bodies / Re: Skipping the 5D-s. What do you want in 5D4?
« on: February 04, 2015, 12:24:39 PM »
The 5D-s will be $4k and a premium studio camera. Great for those who have the need and Canon responded in a way to the two year old D800.

For those who aren't going to buy this camera, what does canon need to do in the 5D4 to consider an upgrade? Assuming that the 5D4 will have no less specs than the 5D-s, What else need to be added on?

My list.

1. All Crosstype AF
2. Linked AF Point Spot Metering? (May be in 5D-s)
3. 1/250th Sync speed bump.
4. Bump to 7-8 FPS.
5. Dual CF
6. DPAF
7. 4K
8. Touchscreen
9. Peaking and Zebra
10. RAW 1080P Video or 4K if possible. (ML managed to do it. Canon can.)
11. IQ, Resolution Bump from 22MP to Anything below 40MP.
12. $3499.

1. Agreed, all cross type would be nice, maybe some dual crosses towards the edges of the frame.
2. Agreed.
3. Agreed.
4. I rarely burst with mine, but sure.
5. Agreed.
6. Don't care, would prefer other developments (on dye ADC, wider bit depth, etc), but if dual diodes per pixel don't hinder sensor performance, sure.
7. Meh, but sure, provided the thermal design is adequate.
8. Meh, but sure.
9. Meh, but sure. Seems like an easy software addition.
10. Meh, but sure, provided the thermal design is adequate.
11. Agreed, and see 6.
12. $3498 :P

___

A. The change-between-servo-and-one-shot button should be a persistent toggle, rather than needing to be constantly depressed. Better yet, two dedicated AF-ON buttons.
B. Crop modes for when I am reach limited and don't want to waste storage capacity on pixels I know I'll be cropping.
C. Add more "C" modes to the dial in place of the P and [A+]. Better yet, a 1D-style interface.
D. RGB Metering.
E. 1Dx-style AF display in the viewfinder.

75
EOS Bodies / Re: Who is going to buy the new 5Ds's?
« on: February 04, 2015, 09:22:47 AM »
I'm tentatively interested, but as was mentioned it's largely price dependent.

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