March 06, 2015, 12:40:50 PM

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Messages - sanj

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EOS Bodies / Re: New camera body or new lens?
« on: February 23, 2015, 02:13:04 AM »
Great points here. Lighting is all important. Also I recommend upgrading to full frame at the earliest. 6D is going cheap currently and will be much better than crop. Great for portraits… You will never regret the move.

EOS Bodies / Re: More Canon EOS C300 Mark II Talk [CR1]
« on: February 20, 2015, 10:12:15 AM »

EOS Bodies - For Stills / Re: 7D Classic Good Enough for Pros?
« on: February 19, 2015, 11:18:57 AM »
do pros care much about equipments? somewhat but probably not whole lot...  emily soto still use her 7d to deliver her images, zhang jingna proved and used her canon 350d to deliver outstanding quality of images, see link below...

but do pros need new high end cameras, i think the answer is yes... it is probably all about business...

i am NOT a pros, i am more like a HOBBYIST; who like to learn more and more, daily.  i care more about learning techniques, so i have learn a lot from number of people in this forum and other pros (absolutely at no cost... lol... that is my wife's rule when letting me learning photography.)

however, if i can deliver these following examples with canon 7d, i bet you that there are number of pros still can... (note:  those noise are mine...  ;))

Yes they do. And no 7D is not up to mark for a professional.

Third Party Manufacturers / Re: Cheating - feeling guilty...
« on: February 18, 2015, 08:19:41 AM »
Don't think of it as cheating
Think if it as "going both ways"

I applaud your courage in coming out of the closet and declaring that you are bi-camera.

May others learn from your courage.

hahahaha. :)

Photography Technique / Re: Does this photo work?
« on: February 18, 2015, 01:43:06 AM »
Thank you Maximillan… :)

Canon General / Re: Lost half of my Canon DSLR
« on: February 18, 2015, 12:58:12 AM »
So sad about this. Is there a service Canon provides for stolen equipment? I mean if you send your stolen equipment serial numbers to them and if it ever shows up for repair somewhere you may be notified?

Photography Technique / Re: Does this photo work?
« on: February 17, 2015, 03:57:31 AM »
Thank you PBD. Your suggestions are great! Thanks…

Why take them down? This is what I posted it here for. :)

Photography Technique / Does this photo work?
« on: February 17, 2015, 02:43:37 AM »
Am confused if this looks ok or not. Please critique. Appreciate. Is the chroma boost hurting?

Canon General / Re: Decline in DSLR sales explained
« on: February 17, 2015, 02:00:39 AM »
I think we are perceiving a problem for people who don't think they have a problem (and they don't). A DSLR or something similar scratches an itch that doesn't exist. Most people are thoroughly satisfied with their smartphone cameras. They don't care to do anything except upload images to social media. Anything more than a smartphone is overkill.

This is indeed the reality.

Canon General / Re: Decline in DSLR sales explained
« on: February 16, 2015, 05:52:59 PM »
I agree with the basic thought of this. Simple cameras with high IQ that most can use would be a big hit. I personally know many people who do not pick up a camera as they find it too complex. iPhones and such work perfect for them.

Canon General / Re: Canon to Buy Video Surveillance Leader Axis for $2.8b
« on: February 12, 2015, 05:41:52 AM »
How much DR?

EOS Bodies / Re: POLL: Price of 5Ds
« on: January 31, 2015, 10:34:24 PM »
Use common sense people. Choose the lowest value.

The camera isn't even released and Canon marketing may be watching the poll to see what you are willing to pay.


EOS Bodies / Re: Bingo! New Canon 5Ds has 50.6 MP new rumored specs
« on: January 31, 2015, 10:22:17 PM »
I am going to be so upset with this camera.

It should have been able to do 12 fps and noise improvement so we can get great results at 12800.
It should have had GPS, WIFI and Pop Up Flash.
It should shoot 4K video (even though it would have 42 million wasted pixels since 4K is only 8 mp).

Any way I am so upset.

I wish they would announce this thing so I can get my pre-order in.

Oh, and that will upset me as well. I want this camera released now, not in a few months.

Oh no, not again. Why do some people keep complaining that a soon to be released camera is not made to satisfy their personal needs. To my mind, this camera is to a certain degree a 1ds iii successor aimed at studio photographers, portrait and landscape shooters and maybe for macro. Why would you expect it to have 12 fps? Why does it have to have GPS and WIFI, and 4k video? If that's the case, what would make other people to buy 5div with (I guess) all these features?

Dude smile. The guy is joking. OBVIOUSLY.

EOS Bodies / Re: Bingo! New Canon 5Ds has 50.6 MP new rumored specs
« on: January 31, 2015, 10:21:28 PM »
It seems to me that Canon has abandoned us EOS1D users...such a pitty.

The 1DX is targeted at those shooting for newspaper and magazines. And that is why the D4 doesn't have a large megapixel count either.

When the maximum print size is A4, you don't need 20+MP.

First point is an assumption. Second is false.

Magiclangern provides a button to "expose to the right". Adjust exposure in postprocessing to fit your needs. Problem solved, case closed.

And how, exactly, do you do that? Because if you are using the 'Blacks', 'Shadows', 'Exposure', 'Highlights', or 'Whites' sliders you are not getting the tonality of the scene.

If you use tone curves on each colour channel seperately, if you are using the camera calibration panel etc then yu might be getting close.

You seem to be missing the point that 'simple' adjustments to an overexposed file do not get you back to the same tonality as a 'correctly' exposed file.

The RAW data is linear. If you expose to the right, you just collect more photons. In software you have to reduce (or increase) the exposure by the same amount that you adjusted while taking the picture. Then you have the same raw data without blown highlights (when decreasing exposure taking the picture) or with less noise (when increasing exposure when taking the picture).

You do not need to change the channels separately. You do not need to change the tonality curve.

The required correction is only one single value. E. g. +2EV while taking the picture and then -2EV to reverse that effect in software.

That is the theory and software which does that is fine but there are many things that can go wrong. One big difference is the tonality curve of the camera (software) which is applied to convert linear RAW data to JPEG values. You cannot work with those JPEGs, you need linear RAW. But even then the RAW is preprocessed by software and that might do some things like change the color of dark/bright parts. E.g. reduce the color of dark parts to avoid color noise.

You can simply test your software. Switch to manual mode and take a photo of some dark objects before a dominant white wall and expose like the camera would do (make the white wall grey). Then expose to the right and remember how many EV you increased the exposure. E.g. 1/100s camera exposure vs 1/25s ETTR exposure = +2EV. Then use the RAW files and convert them with your software and apply -2EV exposure to the second picture. Now they should have EXACTLY the same color properties but the ETTR picture should have less noise. If not, your software is not up to that specific task.

Using the camera JPEGs here will lead to totally wrong colors, banding etc. due to all the "optimizations" applied to the RAW data in order to get good looking JPEGs.

At the end of the day the goal is to take a picture and to expose for that specific subject and the sensor noise may actually be low enough that you are satisfied with the exposure suggested by the spot metering of the camera. In that case you can directly use the camera JPEGs and be fine. Heavy postprocessing is only for low volume activities or people with too much time.

I work 24/7 but still process my pictures to my satisfaction. Guess I have enough time for what I WANT in life.

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