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-   -   ND70 (http://portraitartistforum.com/showthread.php?t=5082)

Mike McCarty 01-10-2005 02:41 PM

Jimmie,

I had another thought ... there is a menu option called "AF - area mode." Within this section you have three options: single area, dynamic area, and closest subject.

My camera always wants to revert back to "closest subject" which I don't particularly like. If you have a subject in front of you with their hands folded in front of them the camera will choose to focus on the hands because they are closest to the camera. I keep choosing "single area" and it keeps finding it's way back to "closest subject."

If because of certain exposure settings your depth of field is very narrow this will throw the face out of focus. In very narrow dof the tip of the nose may be crisply focused and the eye not. I like to focus on the eye.

Michele Rushworth 01-10-2005 04:16 PM

Quote:

I keep choosing "single area" and it keeps finding it's way back to "closest subject."
Mike, I had this problem initially and I know what you mean. You want it to focus on a specific part of the image, not necessarily the closest thing.

I was able to change the ND70 so that it always stays on the center focal area though. I had to wade through the manual a bit to find out how to get it to do that, but it works fine and doesn't revert back to "closest subject".

Michele Rushworth 01-10-2005 04:28 PM

Jimmie, thanks for posting those hands with the color adjustments. I can easily do the same adjustments using curves and color balance in Photoshop though. It's pretty fast too. For now I think I'll stick with the JPEG file formats and Photoshop.

Especially if, as Holly said, the RAW files take much longer to write to memory than JPEG. I want to be able to shoot five quick frames of a wiggly child and don't want to wait even two seconds before I could push the shutter again.

Also, I understand what you mean, Jimmy, about the lack of sharp focus in "low" light. I photographed a girl in a chair yesterday right next to a big window, and used a tripod. She was sitting fairly still. It was a cloudy day but I thought I had plenty of light. I used the Auto ISO function so I have no idea what ISO the camera thought would be best. The shots came out a bit fuzzy and grainy, even the arm of chair, which surprised me.

A few weeks ago I photographed two VERY wiggly kids, no tripod, another cloudy day (hey, it's winter in the Northwest!) but we were outdoors, so there was lots more light. The shots came out much sharper.

Holly Snyder 01-10-2005 05:20 PM

Thanks for posting the images Jimmie. As Michele said, It seems to me that Photoshop CS could do the same thing with curves. But with the Photoshop Elements that I have, I have to adjust the red, green and blue individually which definitely takes a little work. Is the resolution/detail quality a lot better with the raw files over the jpgs?

Jimmie Arroyo 01-10-2005 06:34 PM

Michele, you definitely know more Photoshop than I do. I used to do the individual colors myself as Holly just described, but never got it as good as (or as easy) the Capture program. I guess I never really got that deep into it because I was doing graphite drawings anyway. As long as the contrast was good, I was good to go. The Capture program puts it in plain english, very straight foward.

Holly, again, since I did mainly graphite work, I would'nt be experienced enough to tell you if it'll make a difference. The quality is better, better enough to make a difference as reference? I don't know. Marvin uses the RAW setting, don't know if all the time. I'll PM him to see if he has time to pop in and give better advice.

Marvin Mattelson 01-10-2005 08:11 PM

Hi Y'all,

Can you tell I'm back from Atlanta? Ok Jimmy I'm chiming in. The raw file, called NEF by Nikon, contains far more info than a jpg ever could. First of all it's 16 bits which means it has a geometrically increased amount of information in each pixel. I believe hundreds if not thousands more. When applying a curve in Photoshop certain data gets tossed. However in the raw format all the data is retained. The alterations to the image are attached and not embeded.

Photoshop has a raw converter which I'm currently experimenting with. I'm reading a book by Bruce Frasier on the subject.

Gotta run now, but I'll be updating this thread.

Marvin Mattelson 01-10-2005 11:25 PM

I'm back!

One of the interesting things about the Photoshop camera raw plug-in is that you have the ability to rescue some clipped highlights and shadows that in a jpg appear to be void of detail. Sometimes this can spell the difference between a good and unusable image.

The advantage of having your image edited in Raw is that there are many fine tunings available that don't exist in Photoshop. Also in the Photoshop raw plug-in you also have the ability to batch process and review images without actually having to open them.

There is a reason that the top pros shoot raw. It offers much greater flexibility. I back-up my Raw images on Cd's. It's like archiving one's negatives.

One thing I really like about the Nikon Capture program is that it allows you to upload custom curves to the camera. It's pretty awesome.

Holly Snyder 01-11-2005 10:59 AM

Welcome back Marvin!

Is the Photoshop raw plug-in an extra cost module?

I think the low-cost Photoshop Elements v.3 also has raw image manipulation now, but of course not the functionality of CS.

That's good to know that you can get more information out of the highlights and shadows with raw. If you enlarge the same raw and jpg image side-by-side, do you see more detail, range of coloring, values etc in the raw, to the extent that it would make a difference to paint from?

How have you found the curves to be useful? Do you use curves when you have the exact same lighting setup from model to model?

You may not want to answer this, as I can probably come up with even more questions based on your answers...

Holly

Marvin Mattelson 01-11-2005 01:28 PM

Quote:

Originally Posted by Holly Snyder
Is the Photoshop raw plug-in an extra cost module?

No. It comes with the CS version. You can download the update on Adobe's site.

Quote:

Originally Posted by Holly Snyder
If you enlarge the same raw and jpg image side-by-side, do you see more detail, range of coloring, values etc in the raw, to the extent that it would make a difference to paint from?

They would look the same until you made the adjustments. Yes it would make a difference.

Quote:

Originally Posted by Holly Snyder
How have you found the curves to be useful? Do you use curves when you have the exact same lighting setup from model to model?

I use a curve I found on the Internet called the "white wedding dress curve" which really brings out the tonal details in the lights. It was created by a wedding photographer.

Quote:

Originally Posted by Holly Snyder
You may not want to answer this, as I can probably come up with even more questions based on your answers...

Who'da thunk it! ;-)

Holly Snyder 01-12-2005 09:20 AM

Thanks Marvin.

Mike McCarty 01-18-2005 11:51 AM

Here's a link that you might find useful when your D70 arrives. It's entitled: Nikon D70: Lessons for Digital Newbies.

http://members.aol.com/bhaber/D70/setup.htm

The following was excepted from the beginning:

Quote:

How to Set Up Your D70

Anyone who has found a workable setup for their D70 will be inclined to suggest you use the same setup. I am doing the same thing here. I have found this to be an excellent setup that works for all kinds of photography, and I want you to get going quickly without getting mired down in the complexities of differing opinions and rationales for different setups. You can get mired down in that stuff later!

This setup will give you balanced exposures and will be perfect for our workflow which will include taking the shot, getting it to your computer, and perfecting it with post processing.
The author indicates that the D70 shoots it's images slightly to the dark side. This is something that find is very noticeable. The author suggests (he's living in California light) that you bump up the exposure a third of a stop to compensate for this. I did a few tests and find this to be a good way to go. When I compared the two images (no compensation vs one third stop brighter) side by side and tried to manipulate the dark one back to the one that had been lightened by a third, I found that I lacked the precision of the cameras original third stop compensation.

The other suggested setting he offers will have to be tested out individually over time.

Michele Rushworth 01-18-2005 02:36 PM

Can you post these images, Mike?

Also, is there a setting where you can boost the exposure on every shot, so the camera does it all the time?

Mike McCarty 01-18-2005 03:00 PM

Quote:

I found that I lacked the precision of the cameras original third stop compensation.
What I was trying to say is -- I lacked the precision, with my software, to know how much to lighten the image in order to bring it to the cameras one third stop brighter image. When I do this brightening routine, and I find that I do it with every image I shoot, I am just eyeballing until I see what I like. I think I would rather the camera start with the better exposure. Anyway, I'm going to try this for a while. I understand that it's trying to preserve the highlights.

Michele,

I've ditched the images. The differences were very subtle (moving back and forth between a third of a stop) and I don't think you could appreciate them here. The third did seem very slightly noticeable. Which is where I was trying to end up anyway.

You can set the camera to lighten a third stop all the time:

In the "Pink Pencil" Icon menu, scroll down to 09 "EV step" and set it to 1/3 or 1/2 increments depending on your preference.

On the top of the camera by the on / off switch there is a (+-) button, if you depress this and scroll with the dial you can set for over or under exposure that should remain.

I'm going to try lightening up by a third and see how that feels for a while.

Michele Rushworth 01-18-2005 03:07 PM

Thanks, Mike.

Quote:

it's trying to preserve the highlights.
Actually I will probably stick with the standard D70 settings since once highlights are blasted out there's no way to get the information back. I can always lighten the image later, but if the highlights are gone... too late! I've been experimenting with some very high contrast, almost chiaroscuro, compositions and keeping the information in the highlights is already a problem.

Mike McCarty 01-18-2005 03:13 PM

A third of a stop is not very much.

Also, when you shoot with spot metering on the face you will tend to get some distant ranges on the perimeter.


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