6 Megapixels vs 8
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6 Megapixels vs 8
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David P. Summers
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Posted: Mon Aug 15, 2005 4:43 am    Post subject: 6 Megapixels vs 8 Reply with quote

I went and looked at the Nikon D50 and the Canon Rebel XT. The view
finder ont he Nikon was better. On the Nikon I could tell if the picture
was in focus easier and it took more care to manually focus with the
Canon (at first I thought I couldn't focus it all, but it turned out
part of that was that I needed to adjust the diopter setting). I know
I'll be manually focuses most of the time, but I will want to check the
autofocus, if I have time, and there may be few cases were I need to
manually focus. Now clearly this is subjective, but the trade-off is
versus the 6 Megapixels for the Nikon vis-a-vis 8 on the Canon. So....

I've not had a lot of experience (looking at pictures from friend is
all) with pictures of that resolution. How significant do most people
think having 8 megapixels is?

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Jeremy Nixon
Guest





Posted: Mon Aug 15, 2005 4:43 am    Post subject: Re: 6 Megapixels vs 8 Reply with quote

David P. Summers <drscience3000@yahoo.com> wrote:

Quote:
I've not had a lot of experience (looking at pictures from friend is
all) with pictures of that resolution. How significant do most people
think having 8 megapixels is?

Versus 6... only slightly. I'd make the decision on other factors.

--
Jeremy | jeremy@exit109.com
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Brian Baird
Guest





Posted: Mon Aug 15, 2005 4:43 am    Post subject: Re: 6 Megapixels vs 8 Reply with quote

In article <43000082.2070108@yahoo.com>, drscience3000@yahoo.com says...
Quote:
I've not had a lot of experience (looking at pictures from friend is
all) with pictures of that resolution. How significant do most people
think having 8 megapixels is?

It's going to be most significant if you print over 8x10. 6 megapixels
is going to struggle a little at that size, 8 megapixels can cover it
without comment.

The other advantage to more pixels is you have a little more freedom in
cropping. IF you don't frame exactly right, you can still crop and have
6 million or more usable pixels.

Of course, 8 megapixel images hog up more space. There are always
tradeoffs.

I currently shoot with a 6 megapixel camera. Would I like more
resolution? Always. But do I need it? Only occasionally.
--
http://www.pbase.com/bcbaird
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Bill Hilton
Guest





Posted: Mon Aug 15, 2005 4:43 am    Post subject: Re: 6 Megapixels vs 8 Reply with quote

Quote:
David Summers writes ...

How significant do most people think having 8 megapixels is?

I have a 6 Mpix camera (Canon 10D) and an 8 Mpix camera (Canon 1D Mark
II) and if printed 12x18" or larger it's clear the 8 Mpix image is
better for images shot with the same lenses. For 8x10's or smaller it
probably doesn't matter (so long as you don't have to crop).

How much of this is due to 6 vs 8 Mpix and how much can be attributed
to a $1,500 consumer camera vs a $4,500 professional camera with a
generation later software and different pixel pitch is open for debate,
but all things being equal, for large prints you're better off with the
added pixels.

Bill
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Brian Baird
Guest





Posted: Mon Aug 15, 2005 4:43 am    Post subject: Re: 6 Megapixels vs 8 Reply with quote

In article <140820052016278512%rag@nospam.techline.com>,
rag@nospam.techline.com says...
Quote:
It's going to be most significant if you print over 8x10. 6 megapixels
is going to struggle a little at that size, 8 megapixels can cover it
without comment.

Bullshit!

My 10D goes to 16x20 easily and, if use a tripod and take care in
creating the image - to 20x24.

Depends on the viewing distance, I guess. I don't like the looks of the
prints I get from MY 10D when they get above 8x10. Sure, I can do some
upsampling and get creative with the sharpening, but that isn't going to
work in every instance.
--
http://www.pbase.com/bcbaird
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Randall Ainsworth
Guest





Posted: Mon Aug 15, 2005 4:43 am    Post subject: Re: 6 Megapixels vs 8 Reply with quote

In article <MPG.1d69cb5cdde8f570989828@news.verizon.net>, Brian Baird
<no@no.thank.u> wrote:

Quote:
It's going to be most significant if you print over 8x10. 6 megapixels
is going to struggle a little at that size, 8 megapixels can cover it
without comment.

Bullshit!

My 10D goes to 16x20 easily and, if use a tripod and take care in
creating the image - to 20x24.

But, given the choice between 6 & 8 with all other factors being
equal...I'd go with the 8.
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David J. Littleboy
Guest





Posted: Mon Aug 15, 2005 4:43 am    Post subject: Re: 6 Megapixels vs 8 Reply with quote

"Randall Ainsworth" <rag@nospam.techline.com> wrote:
Quote:
Brian Baird <no@no.thank.u> wrote:

It's going to be most significant if you print over 8x10. 6 megapixels
is going to struggle a little at that size, 8 megapixels can cover it
without comment.

Bullshit!

My 10D goes to 16x20 easily and, if use a tripod and take care in
creating the image - to 20x24.

Sheesh, you must be blind. At A4, scanned 645 looks way better than 6MP. The
difference only gets larger up to 13x19. Beyond which neither is acceptable.

David J. Littleboy
Tokyo, Japan
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Mr. Mark
Guest





Posted: Mon Aug 15, 2005 4:43 am    Post subject: Re: 6 Megapixels vs 8 Reply with quote

Quote:
I've not had a lot of experience (looking at pictures from friend is
all) with pictures of that resolution. How significant do most people
think having 8 megapixels is?

I'd make the decision based on which camera feels best to you.

--
Mark

Photos, Ideas & Opinions
http://www.marklauter.com
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Toa
Guest





Posted: Mon Aug 15, 2005 4:43 am    Post subject: Re: 6 Megapixels vs 8 Reply with quote

Quote:
I'd make the decision based on which camera feels best to you.
Mark

<chuckle>

Very benevolent of you <g>

Toa
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Neal
Guest





Posted: Mon Aug 15, 2005 4:43 am    Post subject: Re: 6 Megapixels vs 8 Reply with quote

On Mon, 15 Aug 2005 02:37:18 GMT, "David P. Summers"
<drscience3000@yahoo.com> wrote:


at the same image quality, each dimension of your picture can go
2/(3^.5) times bigger = 2/1.73 = 15% bigger.

so you can make 8x10, or you can make 9.2x11.5
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SteveJ
Guest





Posted: Mon Aug 15, 2005 4:43 am    Post subject: Re: 6 Megapixels vs 8 Reply with quote

Give me the Canon 16MP camera, now that is a difference.


"Toa" <toa1614@gmail.com> wrote in message
news:1124079842.25c62f9c937409a93be7f01a158aa15e@teranews...
Quote:
I'd make the decision based on which camera feels best to you.
Mark

chuckle

Very benevolent of you <g

Toa
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Jim Townsend
Guest





Posted: Mon Aug 15, 2005 4:43 am    Post subject: Re: 6 Megapixels vs 8 Reply with quote

David P. Summers wrote:


Quote:
I've not had a lot of experience (looking at pictures from friend is
all) with pictures of that resolution. How significant do most people
think having 8 megapixels is?

There's not much difference between 6 and 8 megapixels.

At a 3:2 ratio, an 8 MP image is about 3504 pixels wide and 2336
pixels high. A 6 MP image is about 3072 pixels wide and 2048 pixels
high.

With 8 megapixels, you only gain 432 pixels in width and
288 pixels in height.

If you print an 8 and a 6 MP image 10 inches wide, the 8 MP image
will print at 350 DPI, the 6 MP image will be 307 DPI.

The 8 MP image is only 43 DPI better in resolution.. That's not much.
The difference between 350 and 307 DPI is probably not even noticeable.

But lets go further.. There's not much difference between 6 and 5
megapixels. There's not much difference between 5 and 4 megapixels.
How many do we NEED ?

It doesn't hurt to have as much as you can.. I would prefer
to have 8 megapixels.
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Randall Ainsworth
Guest





Posted: Mon Aug 15, 2005 4:43 am    Post subject: Re: 6 Megapixels vs 8 Reply with quote

In article <MPG.1d69d3dfb0e4899f98982b@news.verizon.net>, Brian Baird
<no@no.thank.u> wrote:

Quote:
Depends on the viewing distance, I guess. I don't like the looks of the
prints I get from MY 10D when they get above 8x10. Sure, I can do some
upsampling and get creative with the sharpening, but that isn't going to
work in every instance.

Sounds like you need to learn about photography. I've got a 16x20 here
taken with a consumer-grade Canon lens - handheld - that's sharp as a
tack...close-up or at a distance.
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skroob
Guest





Posted: Mon Aug 15, 2005 4:43 am    Post subject: Re: 6 Megapixels vs 8 Reply with quote

Ive printed 20x30s from my D70 and as long as you arent leaving nose prints
on the glass you really cant tell.


"Brian Baird" <no@no.thank.u> wrote in message
news:MPG.1d69cb5cdde8f570989828@news.verizon.net...
Quote:
In article <43000082.2070108@yahoo.com>, drscience3000@yahoo.com says...
I've not had a lot of experience (looking at pictures from friend is
all) with pictures of that resolution. How significant do most people
think having 8 megapixels is?

It's going to be most significant if you print over 8x10. 6 megapixels
is going to struggle a little at that size, 8 megapixels can cover it
without comment.

The other advantage to more pixels is you have a little more freedom in
cropping. IF you don't frame exactly right, you can still crop and have
6 million or more usable pixels.

Of course, 8 megapixel images hog up more space. There are always
tradeoffs.

I currently shoot with a 6 megapixel camera. Would I like more
resolution? Always. But do I need it? Only occasionally.
--
http://www.pbase.com/bcbaird
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G.T.
Guest





Posted: Tue Aug 16, 2005 4:41 am    Post subject: Re: 6 Megapixels vs 8 Reply with quote

"Randall Ainsworth" <rag@nospam.techline.com> wrote in message
news:140820052016278512%rag@nospam.techline.com...
Quote:
In article <MPG.1d69cb5cdde8f570989828@news.verizon.net>, Brian Baird
no@no.thank.u> wrote:

It's going to be most significant if you print over 8x10. 6 megapixels
is going to struggle a little at that size, 8 megapixels can cover it
without comment.

Bullshit!

My 10D goes to 16x20 easily and, if use a tripod and take care in
creating the image - to 20x24.

I have some fabulous 10x15s taken with both my Rebel and Rebel XT, and they
are virtually indistinguishable.

Like others have said, don't make the 6MP vs 8MP a top criteria.

Greg
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