January 31, 2015, 02:24:09 AM

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Messages - Lawliet

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1
EOS Bodies / Re: Sony Sensors Coming to Canon DSLRs? [CR1]
« on: January 29, 2015, 03:11:31 PM »
Phase detect - yes. DualPixel Auto Focus however as concept has been made by ONLY one vendor of 4/3 camera.... I believe it was Fujitsu... not sure about the name.

Considering that DualPixel as such has mainly drawbacks (no cross type AF, can't be read fast enough with the current architecture) I'd go rather for the effect then the specific implementation.

2
EOS Bodies / Re: Global Shutter Coming to Canon DSLRs? [CR1]
« on: January 29, 2015, 01:42:15 PM »
I don't doubt it. It's just silly to respond to a desire to avoid a car battery-sized power source with a rig including a car battery-sized power source.

Do you really believe the Move is the size of a car battery?! So much for preconceptions...

3
EOS Bodies / Re: Global Shutter Coming to Canon DSLRs? [CR1]
« on: January 29, 2015, 01:10:47 PM »
But note it doesn't meet one of the original requirements (bolded).
So much for spec reading vs. actual experience - the latter says it meets the requirement. Compared to speedlights it's actually a reduction in bulk and weight. thats if your intent involves taking pictures.

4
EOS Bodies / Re: Global Shutter Coming to Canon DSLRs? [CR1]
« on: January 29, 2015, 01:04:07 PM »
The issue there is that you need to be very, very close to your subject for the flash to make any real contribution to the ambient light.  So this tends only to work for macros.

Lets see, a Move1200L/Para222 nets me f/16@Iso100@10m, about 3 stops over ambient at high noon when used with the LS lenses. With recharge times about in line with the frame rate of the back.
Not my definition of very close or macro.

I agree, I can get f16 at 100iso at 10' with a single $500 Einstein. What we don't get is short flash duration at that power, the Einstein is around 1/666 sec t1 duration so much faster than that and you are losing flash power anyway, the Broncolor is an even slower 1/375 sec t1 duration at full power.


That's why I used numbers one gets in speed mode (at 400Ws, not full power), resulting in a t0.1 better than the sync speed of the lenses and the triggers. Helpswith the recycle time as well.

5
EOS Bodies / Re: Big Announcements Coming Next Week [CR3]
« on: January 29, 2015, 12:22:00 PM »
It's about shooting, not necessarily the end display.

That 'argument' is asinine.

Only to those unaware of the color subsampling the Bayer-pattern involves.
Some comp work done with CG footage makes the shortcomings of subsampled material even harder to ignore.

6
EOS Bodies / Re: Global Shutter Coming to Canon DSLRs? [CR1]
« on: January 29, 2015, 12:09:20 PM »
The issue there is that you need to be very, very close to your subject for the flash to make any real contribution to the ambient light.  So this tends only to work for macros.

Lets see, a Move1200L/Para222 nets me f/16@Iso100@10m, about 3 stops over ambient at high noon when used with the LS lenses. With recharge times about in line with the frame rate of the back.
Not my definition of very close or macro.

7
EOS Bodies / Re: A Sony & Canon Sensor Partnership Mentioned Again [CR1]
« on: January 28, 2015, 10:49:38 AM »
Canon has just put out the 7D2 sensor, which scaled down to FF gives the 53-56MP wanted.

But still would have to be read by an external device, which is the root of all the sensor related issues. Both the image quality for still as well as video and everything DPAF related would benefit from a digital readout.

8
EOS Bodies / Re: A Sony & Canon Sensor Partnership Mentioned Again [CR1]
« on: January 28, 2015, 10:31:00 AM »
The site has them listed as Nikon, but I wonder if it is someone else.

It's a common misconception that you'd need a fab to make a sensor. You only need to provide the specs to a contractor. Nikon has always either bought 3rd party sensors or used their owns, depending on what is more convenient. OTOH having a dedicted line of sensor manufacture means you're stuck with it, can't pay it off with other jobs - all eggs in one basket.

9
EOS Bodies / Re: A Sony & Canon Sensor Partnership Mentioned Again [CR1]
« on: January 28, 2015, 10:17:15 AM »
I thought about that, but Canon's size is important.
Compare that size to the volume a production line of your average contract foundry can handle. Imaging sensors aren't that much combined area compared to more mainstream applications - while individually large their total number keeps the amount of wafers to be processed in check.

10
EOS Bodies / Re: Global Shutter Coming to Canon DSLRs? [CR1]
« on: January 28, 2015, 04:12:55 AM »

No, I'd still say it's fantastic - the 1/500 sync that is.

Well, while the D8x0 officially only goes to 1/320 a fast trigger also allows for 1/400 - almost there. Or up to 1/640 in crop mode :)

11
Pricewatch Deals / Re: Price Drops on the Canon Cinema EOS C100
« on: January 24, 2015, 12:33:46 AM »
(wait, what ergonomics? it's a box with buttons!).

It's a box with a LANC input. Which means the controls are taylored to my rig (and there is less dead weight to move around).

12
Business of Photography/Videography / Re: The Pros or The Enthusiasts?
« on: January 23, 2015, 11:26:18 PM »
I pointed out on one set that the 'DoP' was crossing the line.   They replied that they thought they had been perfectly polite.

At least it's only a narrative violation, put him in the grips boots and someone's head might end up right on the mark...

13
I am wondering when image processing softwares (LR, DXO, C1 etc.)  will start using GPU for image processing .
For C1 that would be quite a while ago with continuing improvemts over the recent years/releases.

14
EOS Bodies / Re: Global Shutter Coming to Canon DSLRs? [CR1]
« on: January 22, 2015, 06:22:43 PM »
This rumor seems farfetched, though.  If Canon could create a self contained camera that could continuously record RAW and compressed images at 30fps on a global shutter, it would have a huge impact on both the video and photography markets.  Nothing comes close right now.  The 1DC is a pale imitation since it can only record non-continuous 12fps RAW and 24fps compressed at APS-H crop on a non-global shutter.

The Dragon records 6K at 100fps, or extrapolated to 8k and a 3:2 aspect ratio still 40fps at full resolution. Or the rumored 52MP at 30fps. Global shutter included,the target audience isn't to fond of yello (behind the lens at least).
Or in the more consumer orientated segment you get 6700MP/s capacity, enough to go through 8K at >120fps, in a package smaller then the 1-series.

For raw storage you'd need a breakout to an SSD-raid though.

15
EOS Bodies - For Video / Re: Canon EOS-1D C Coming Down in Price Again?
« on: January 22, 2015, 05:03:39 AM »
Can you do motion blur video that way?
In CGI it worked as an emergency kludge when rendertime for real motion blur wasn't available. Well sometimes, as the motion vectors mustn't change during the interpolation period, i.e. it falls apart for motions that contain a circular component or acceleration.

The whole still from motion picture-idea has problems on a higher level though: the visual language is different.

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