April 18, 2014, 02:30:43 PM

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Messages - dilbert

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31
12MP sensor with full frame (35mm) readout for 4K video, claimed to be a first, along with even better dynamic range than with the existing full frame sensors.

With ISO from 50 to 409600 and pixels that are going to be much larger than those in the 6D or 5DIII, I can't help but wonder if this new Sony camera will wipe the floor with Canon when it comes to both low noise at high ISO and dynamic range. AF at EV-4?! I'm not sure I can believe that. I mean not only would it be able to take photos of black cats in coal mines but also autofocus on them!

Can't wait to see what the results are for the individual tests at DxO!

32
The amount of details you can extract of the chroma key backgrounds is incrredible at 4k resolution.

Jokes apart, I second the idea that 4k makes sense for professional videographers either for ultra high def or post production to FHD. However, for consumers, I still doubt that theere is more than bragging rights attachsed tu 4k.

What if you already own a 4K TV, why wouldn't you want to be able to film home stuff in 4K?

Does Sony sell a 4K TV? Yes
Similarly for Panasonic, they make a 4K TV so they're also selling cameras capable of producing 4K.

I understand that companies will try to push products ecosystems, but from a practical standpoint, I don't see the benefit of a 4k video of your 5yo's birthday party or of your aunt gardening. I just feel like you need some pretty controlled condition to allow for 4k to produce significant additional details at the shutter speeds allowed in video. If you add the time and computer resources required to edit those videos, it makes even less sense to me.

When the 5 year old turns 21 in 16 years time, what would you rather have?
4k video or 1080p video of the birthday?

33
Third Party Manufacturers / Re: New Curved Sensor Tech by Sony
« on: April 06, 2014, 12:50:36 AM »
Curved sensors are well proven and effective, been in use at least a few million years.

So have the lenses designed for those curved sensors.  In the case of a curved camera sensor, current lenses would not work (thus the suggestion of a new 35/1.8 lens for the curved sensor).  Given the general performance of Sony lenses, I'm not encouraged by their ability to deliver an ILC based on a curved sensor.

Can you explain why a current lens wouldn't work? I suspect that they will all work just fine. The suggestion of a new 35/1.8 for the curved sensor is just that - a suggestion without understanding.

What I find intriguing is that lenses optimised for curved sensors might be smaller as there is less of a vignetting problem to overcome.

34
Third Party Manufacturers / Re: New Curved Sensor Tech by Sony
« on: April 05, 2014, 09:09:27 PM »
Curved sensors are well proven and effective, been in use at least a few million years.

So have the lenses designed for those curved sensors.  In the case of a curved camera sensor, current lenses would not work (thus the suggestion of a new 35/1.8 lens for the curved sensor).  Given the general performance of Sony lenses, I'm not encouraged by their ability to deliver an ILC based on a curved sensor.

Why do they need new lenses?

Consider if you will the percentage of photo sites on the sensor that get the image incident rays (or photos) from the lens at an angle at or close to perpendicular to the sensor surface.

A curved sensor should increase that percentage and should increase the angle of incidence towards the perpendicular everywhere across the sensor without any need for a new lens.

It will be interesting to compare vignetting of a particular lens on such a sensor vs a traditional flat sensor.

I'm also curious as to how sensor cleaning will work with the potential for the curved surface to encourage dust buildup.

35
The amount of details you can extract of the chroma key backgrounds is incrredible at 4k resolution.

Jokes apart, I second the idea that 4k makes sense for professional videographers either for ultra high def or post production to FHD. However, for consumers, I still doubt that theere is more than bragging rights attachsed tu 4k.

What if you already own a 4K TV, why wouldn't you want to be able to film home stuff in 4K?

Does Sony sell a 4K TV? Yes
Similarly for Panasonic, they make a 4K TV so they're also selling cameras capable of producing 4K.

36
Hi,
In another thread on this website, there is a lot of posters from this website that are (or at least were!) absolutely certain that 4K wouldn't take off this year and that Canon wouldn't need to include it in their cameras this year. Seems to me that everyone else thinks that now is the right time to be delivering 4K capability.
If the 7D mark II arrives this year without 4K, Canon will be at the station looking at the caboose as it disappears into the distance...
That really made me smile... and brings up a mental image of Mr. Canon and Mr. Nikon at the train station filming the departing train in 1080 at 30hz, while on the train, the lovely ladies Miss Sony, Miss Panasonic, Miss GoPro, Miss Red, and a host of others are waving goodbye :)
I think I'll go take my GoPro and shoot some 4K video, and when I'm done I'll grab my p/s and try to capture some blue jays in flight at 240hz....
    Then they realized they left all the consumers at the station...  ;D
    Have a nice weekend!
But then again, sometimes missing the train is a good thing :)
Well said. Some manufacturers have lost the train of the financial loss. Anyone remember these trains?

If there was no future in 4K video then why does Canon manufacture Cinema EOS cameras that shoot 4K video?
Is Canon throwing away money on Cinema EOS to make 4K cameras that nobody wants?
...

The smart people who are creating video are already investing in equipment capable of shooting 4K so that they can remaster content they produce in 1080p today in 4K later and resell it. That set of people are not buying Canon and it doesn't look like they will for quite some time - unless Canon surprises us at NAB.

37
In another thread on this website, there is a lot of posters from this website that are (or at least were!) absolutely certain that 4K wouldn't take off this year and that Canon wouldn't need to include it in their cameras this year. Seems to me that everyone else thinks that now is the right time to be delivering 4K capability.

If the 7D mark II arrives this year without 4K, Canon will be at the station looking at the caboose as it disappears into the distance...

Apparently 'everyone else' thought it was time for higher MP sensors last year.  'Everyone else' still seems to be sitting in the caboose of the Market Share Express, a train with a big Canon logo on the engine in front.

Ok, nice of you to bring up an related topic, please file that somewhere appropriately.

38
If the image for this thread came from a document sourced from Canon, does Canon own the copyright to it and does this website have permission to reproduce it? I'm all for leaking information a la Snowden, but you need to be intelligent about how it is done. Another aspect of the Snowden issue is that all documents produced by the government are not covered by copyright as they're "owned" by the people - they're just subject to official secrets acts, etc - and can thus be reproduced freely without limit. That doesn't apply to documents produced and owned by corporations.

39
In another thread on this website, there is a lot of posters from this website that are (or at least were!) absolutely certain that 4K wouldn't take off this year and that Canon wouldn't need to include it in their cameras this year. Seems to me that everyone else thinks that now is the right time to be delivering 4K capability.

If the 7D mark II arrives this year without 4K, Canon will be at the station looking at the caboose as it disappears into the distance...

40
You may also want to get legal advice on this.

Until you do, best course of action is to use the material that you have as source material and repeat/repost nothing as found in the material that you have. Canon could most likely claim copyright over various portions of the material, including the picture of springs for the lens on the front page, in which case they would be entitled to execute a DMCA takedown against the image.

41
Information wants to be free.

Release it.

But also make sure that you keep copies of it somewhere else (Europe somewhere?) so that in the event of Canon hitting you with a court order, all is not lost.

Canon charge a premium for products that bear their name - if they want to continue doing that then they need to show customers more respect and one way of doing that is being more open with information.

42
Interesting development. I bet it hasn't sold well and they need to clear inventories for a new model...

And if there were to be a new model, what are the chances that it will be < $10000?

43
the panasonic story is a far better april 1 story.

44
Photography Technique / Re: California Travel Advice
« on: April 01, 2014, 07:38:19 AM »
I'm looking for some advice on California...I'm from the UK, and planning a road trip in California in September 2014.

Do a loop. North up the coast, go in and out a bit as you move north, the cross over up the top somewhere near Shasta and come back down the Sierra Nevada mountain range, return to San Francisco on your last day/night from Sequoia or there abouts.

Tip: the only time you should be on highway 5 is when you're heading back to San Francisco to fly home, unless you're doing a dog-leg thing up the top to get over to the eastern side of the state.

Warning: expect waterfalls to have not much water due to (a) the drought and (b) autumn. Some (e.g. Yosemite Falls) are normally dry at that time of year anyway.

45
Photography Technique / Re: California Travel Advice
« on: April 01, 2014, 06:34:02 AM »
Is there anywhere specific in California you would recommend buying new gear? I'm considering purchasing a 24-70 F2.8L whilst I am there, as the prices are so much cheaper than the UK.

Warning: advertised prices for anything in the USA do not include sales tax. If you plan to buy any camera equipment over the counter at a store in California, add around 8.5% to the advertised price as to what your final price will be. Rinse and repeat for everything that you will buy there.

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