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Jimmy Bemis

US
4 posts

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Jimmy Bemis Registered since 18th Jun 2013
Tue 18-Jun-13 11:30 PM


Hello. I am currently using a Nikon D3000 and am considering upgrading to one of the D5xxx series. Due to storage concerns, if I purchase a D5200, I would mostly be shooting in Medium image size, but would like the option of shooting in Large for larger format prints and photos that I intend to crop.
My question is this: How does the Large-Medium-Small function actually work? If I choose Medium, for example, is my Large image simply re-sampled via firmware, or does this "turn off" some of the pixels on the sensor.
I ask because, if the former is true, I would not like to have the majority of my images compromised, and would simply go with the lower MP model.

TIA

jec6613

Norwalk, US
731 posts

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#1. "RE: D5100 or D5200?" | In response to Reply # 0

jec6613 Registered since 12th Feb 2013
Wed 19-Jun-13 01:14 AM

>
>Hello. I am currently using a Nikon D3000 and am considering
>upgrading to one of the D5xxx series. Due to storage
>concerns, if I purchase a D5200, I would mostly be shooting in
>Medium image size, but would like the option of shooting in
>Large for larger format prints and photos that I intend to
>crop.
>My question is this: How does the Large-Medium-Small function
>actually work? If I choose Medium, for example, is my Large
>image simply re-sampled via firmware, or does this "turn
>off" some of the pixels on the sensor.
>I ask because, if the former is true, I would not like to have
>the majority of my images compromised, and would simply go
>with the lower MP model.
>
>TIA

In all cases on all Nikons, it's a simple resample.

MEMcD

US
28094 posts

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#2. "RE: D5100 or D5200?" | In response to Reply # 0

MEMcD Moderator In depth knowledge in various areas Nikonian since 24th Dec 2007
Wed 19-Jun-13 01:19 AM

Hi Jim,

Welcome to Nikonians!
D5200
Large - 6000 x 4000 pixels (Full resolution).
Medium - 4496 x 3000 pixels (downsampled by about 30%).
Small - 2992 x 2000 pixels (downsampled by about 50%).

Storage space is cheap.
Most of us shoot Raw to maximize IQ.

Best Regards,
Marty

Jimmy Bemis

US
4 posts

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#3. "RE: D5100 or D5200?" | In response to Reply # 1

Jimmy Bemis Registered since 18th Jun 2013
Wed 19-Jun-13 03:07 AM


Thank you. I asked in this forum because I thought It might work differently w/less expensive P&S cameras.

Jimmy Bemis

US
4 posts

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#4. "RE: D5100 or D5200?" | In response to Reply # 2

Jimmy Bemis Registered since 18th Jun 2013
Wed 19-Jun-13 03:18 AM


Thank you for your response.
Hmm.. Decisions, decisions.

Being that I post to the web a fair amount, I, of course have to downsample all the time. Oddly enough, I seem to get better results using the Lanczos method in IrfanView, than I do with Bi-cubic Sharpen in PS.
But that's another topic

jec6613

Norwalk, US
731 posts

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#5. "RE: D5100 or D5200?" | In response to Reply # 4

jec6613 Registered since 12th Feb 2013
Wed 19-Jun-13 10:36 AM

If you downsample the D5100 and D5200 to the same size: say, 1024x768, the D5200 will have lower noise at higher ISOs.

grnzbra

Springfield, US
390 posts

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#6. "RE: D5100 or D5200?" | In response to Reply # 5

grnzbra Silver Member Nikonian since 28th Sep 2011
Wed 19-Jun-13 06:56 PM

What is "downsampling"?

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RRowlett

Hamilton, US
1138 posts

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#7. "RE: D5100 or D5200?" | In response to Reply # 6

RRowlett Silver Member Charter Member
Thu 20-Jun-13 12:25 AM

>What is "downsampling"?

Downsampling is essentially taking an image and averaging neighboring pixels together to produce an image with fewer pixels than before. By averaging together neighboring pixels, image noise can be reduced at the expense of resolution. For example, if a 6000x4000 image is re-sampled to 3000x2000, then each pixel in the new image is effectively derived from the signal of 4 pixels in the original. (In science this is called "binning"--we do this all the time with high resolution CCD sensors to increase weak signals. Four photosites collect 4 times the signal as one photosite, and signal-to-noise increased by the square root of 4, or 2-fold. Of course we get 1/4 of the image resolution this way, but S/N is often more desirable than resolution.

To re-iterate an earlier comment, "silicon is cheap." Shoot at full resolution, and downsample later if you must. You can always down-sample more pixels into fewer pixels later. You can't go the other way around, because the information is already gone if you downsample in-camera.

Cheers.

grnzbra

Springfield, US
390 posts

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#8. "RE: D5100 or D5200?" | In response to Reply # 7

grnzbra Silver Member Nikonian since 28th Sep 2011
Fri 21-Jun-13 12:55 PM

Is this what is happening when noise reduction is applied in post production?

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Jimmy Bemis

US
4 posts

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#9. "RE: D5100 or D5200?" | In response to Reply # 7

Jimmy Bemis Registered since 18th Jun 2013
Sat 22-Jun-13 01:14 AM | edited Sat 22-Jun-13 01:14 AM by Jimmy Bemis

>>What is "downsampling"?
>
>To re-iterate an earlier comment, "silicon is
>cheap." Shoot at full resolution, and downsample later if
>you must. You can always down-sample more pixels into fewer
>pixels later. You can't go the other way around, because the
>information is already gone if you downsample in-camera.
>
>Cheers.

You're right, of course. I'm afraid that I'm a bit of a packrat with my photos, though. Maybe a higher-res camera would help to break me of
that habit

pjonesCET

Martinsville, US
716 posts

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#10. "RE: D5100 or D5200?" | In response to Reply # 0

pjonesCET Gold Member Donor Ribbon awarded for his support to the Fundraising Campaign 2014 Nikonian since 11th Jul 2011
Sat 22-Jun-13 02:58 PM | edited Sat 22-Jun-13 10:02 PM by pjonesCET

Shoot in Raw spend some money on SD Cards. I got 32 GB SanDisk Ultra from Walmart for $23 plus some change for my D3200. If I need to make Print Photos I use app such as Aperture or Lightroom to process and to save in jpeg format that Camera Processing uses . Photos I recently took needed to be 4X6. I sent them in Jpeg format directly to the WalGreens just up the hill from where I live. They turned out great for the purpose I used them for.

And spend the extra bucks if your going with the 5000 series on the 5200 it has the 24mp you can use to create large pictures and and when reducing the DPI you still have a lot of pixels for better looking picture.

Phillip M Jones, CET
pjonescet@comcast.net
http://www.phillipmjones.net/

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https://www.flickr.com/photos/pjonescet/
http://www.phillipjones-cet.net

thomg

US
3 posts

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#11. "RE: D5100 or D5200?" | In response to Reply # 10

thomg Registered since 20th Aug 2013
Tue 20-Aug-13 08:15 AM

Hi,
In my Blog i am comparing the Nikon D5200 VS D5100:
http://www.d5200nikon.com/versus/d5200vsd5100/
please check and let me know what you think
Thanks,
Thom.

grnzbra

Springfield, US
390 posts

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#12. "RE: D5100 or D5200?" | In response to Reply # 11

grnzbra Silver Member Nikonian since 28th Sep 2011
Thu 29-Aug-13 01:20 PM | edited Thu 29-Aug-13 02:14 PM by grnzbra

In your blog, are you comparing the 5100 with the 5200 or with something else. You say the price difference is about $600, but Best Buy has the with the 18-55VR for $599 and $799. ($499 for 5100 body only)

Sorry for the confusion. When I think of of a $600 difference, it is between a 5100 and a 7100. (how about doing a comparison between the 5200 and a 7100)

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buffumjr

US
248 posts

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#13. "RE: D5100 or D5200?" | In response to Reply # 12

buffumjr Registered since 05th Jun 2013
Thu 05-Sep-13 08:05 PM

Check out B&H's ad in latest Popular Photography! Helluva deal on the 5200!!!

Makes me jealous. I bot from Cameta a 5100, refurb, and this is less than I paid.

G