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1hdr4u 08-31-2015 07:25 PM

How many megapixels are enough?
 
I read this somewhere on the internet and it got me wondering; do we really need a lot of megapixels if websites that we post our photos on downsize our photos anyway just to be able to post them? I was always under the impression that more megapixels meant better quality photos, but I guess that only applies if you're going to print a large size photo, like say larger than 8 x 10. According to what I've read, photos that are displayed on most websites are actually only 1 or less than 1 megapixel in size, which really surprised me, considering the fact that my Samsung Galaxy s5 camera takes up to 16 megapixels for photos and my Canon 60D is 18 megapixels. Turns out that all those megapixels are wasted and not needed and don't do you any good as far as your photo quality to display them on the web. In order to post your photos on a lot of websites, they are automatically downsized to be able to fit them onto the post so that people can see them. That's a lot of waste of quality in my opinion just to be able to have other people see your photos online.

OkieGentleman 08-31-2015 07:46 PM

Re: How many megapixels are enough?
 
The amount of pixels means that the photo taken is broken down into smaller pixels. The smaller the pixel the more detail is in the photo. Granted you do not normally use that fine of a pixel when the photo is shown on your screen or printed on a printer that prints a max of 600 DPI, but when you take and go to a larger piece of paper to print your photo the printer can make a better photo because the information is available for the printer to still print in the 600 DPI mode and not have to (fill in) with guesswork. When you edit the photo to remove unwanted areas or to crop out an area to use for your photo you have enough detail to make a good photo. Think of it in terms of film. The low asa black and white film gave such detail, where as if you used a 400 asa or pushed to a 1200 asa, the grain of the photograph became apparent quickly when you tried to go to a large print or print a large print out of a portion of the frame. Just my two cents worth.

If I have this wrong someone fill in the correct answer! All help appreciated!

Tinstafl 09-02-2015 06:47 AM

Re: How many megapixels are enough?
 
I saw a shot once taken from the same place with 12mp and 45mp. The difference in detail was incredible but you had to zoom in a bit to see it. I am not talking 100 % either.

Mr. Pickles 09-02-2015 05:11 PM

Re: How many megapixels are enough?
 
You need as many megapixels as you need. I'm good with 16 on my mirrorless. When I get a bigger house with bigger walls, I'll get more. I used to have a smaller house and limited walls and 5mp was plenty.

Stiga 09-03-2015 04:06 AM

Re: How many megapixels are enough?
 
Twenty's plenty!

Narsuitus 09-04-2015 01:03 PM

Re: How many megapixels are enough?
 
On a 24x36mm sensor, 25 small megapixels and 25 large megapixels would give me the detail, dynamic range, and the light sensitivity I crave.

Naked Photogpher 10-19-2015 07:35 AM

Re: How many megapixels are enough?
 
8 has been good enough for me for 10 years.

nu2scene 10-19-2015 12:05 PM

Re: How many megapixels are enough?
 
It depends on what you shoot, and what you do with your images. If you shoot items to sell on eBay, a few mega pixels is enough. You don't need much resolution.

If you do any cropping, more mega pixels are nice to have. The pixels in a full frame camera are usually better than in a crop body as well. Larger pixels, are better than smaller pixels. So 24 mp on a crop body are usually not as good as 24 mp on a full frame body. If you want to produce big images of things like landscapes or macro shots, and if you crop at all, a full frame camera with as many mega pixels as you can get will be helpful.

I use a 36 mp camera, and I love it. The resolution is great. I wouldn't want to go back to less resolution. Of course, with higher resolution cameras, you then have to have lenses that can handle that resolution. Otherwise your camera will out resolve the lenses, and your images will not appear sharp. You will see the limits of the lens quickly. You will also see if your shooting technique is not stable. You will see blur.

Naked Photogpher 10-19-2015 06:10 PM

Re: How many megapixels are enough?
 
I've not noticed any lack from using 8 megapixels

hillsidekim 10-19-2015 06:56 PM

Re: How many megapixels are enough?
 
My 12 mp D300 and D700 will do anything I want them to do at practically any size print I could possibly want.

Naked Photogpher 10-19-2015 07:16 PM

Re: How many megapixels are enough?
 
Quote:

Originally Posted by hillsidekim (Post 2231514)
My 12 mp D300 and D700 will do anything I want them to do at practically any size print I could possibly want.

Exactly. I've printed to 16*24 with no noticeable issues. Even entered the prints in the State Fair.

8mp gives me manageable file sizes, good images and so on. I regard film as the standard and 8mp is as good as film. More just seems to be overkill for the same of bravado for most users.

Mr. Pickles 10-19-2015 09:22 PM

Re: How many megapixels are enough?
 
Quote:

Originally Posted by Naked Photogpher (Post 2231517)
...I regard film as the standard and 8mp is as good as film.

That comment could get some reaction, mostly negative.

BUT, since this was posted in the camera phone board long ago, and a few replies later, it is still in my opinion, a camera phone-ish thread, and for that, 8mp is probably good, or possibly high. I doubt there are a ton of people printing anything large from any camera phone, and a lot of people probably don't print anything from. So 8mp is overkill for a phone.

Naked Photogpher 10-19-2015 09:24 PM

Re: How many megapixels are enough?
 
Quote:

Originally Posted by Mr. Pickles (Post 2231535)
That comment could get some reaction, mostly negative.

BUT, since this was posted in the camera phone board long ago, and a few replies later, it is still in my opinion, a camera phone-ish thread, and for that, 8mp is probably good, or possibly high. I doubt there are a ton of people printing anything large from any camera phone, and a lot of people probably don't print anything from. So 8mp is overkill for a phone.

Oddly enough my DSLR and my cellphone are both 8mp

Cameron V 01-22-2017 05:20 PM

Re: How many megapixels are enough?
 
Quote:

Originally Posted by Tinstafl (Post 2221401)
I saw a shot once taken from the same place with 12mp and 45mp. The difference in detail was incredible but you had to zoom in a bit to see it. I am not talking 100 % either.


I see you have a D800. Remember when the D800 came out and Nikon had that photo of the library on their site that was taken with a D800 and demonstrated how much you could zoom in? Crazy detail.

Narsuitus 01-26-2017 10:58 AM

Re: How many megapixels are enough?
 
Whatever my Samsung Galaxy 5 cell phone has is enough for me because I rarely use it as a camera.

The 24MP Fuji X100F, 24MP Fuji X-Pro2, the 24MP Leica M10, and the 36MP Nikon 810 digital cameras all have enough mega pixels for what I need to shoot. Just wish I could decide on which one to get.

jhawk1000 01-26-2017 11:07 AM

Re: How many megapixels are enough?
 
I have a D800, D750 and D700. I do not like the 36 megapixels of the D800 for what I mainly shoot, Sports! It has too many pixels and clogs my storage and my downloads. It is great for cropping and for portraits but the D700 is generally enough, the D750 is better if you have to crop but all do the job I want and I have many enlargements up to 30 x 40 done at my wife's lab with a Chromira to prove it and those were done several years ago before she closed the lab and went to studio only.

ShutterKlick 01-27-2017 08:43 PM

Re: How many megapixels are enough?
 
D5300, 24mp.. Its way more than I need, but glad I have the excess.

This will allow me to crop and not loose detail, when compared to an uncropped "less than 24mp" image. This ability gives me extra options I would not have with lesser camera.

When zooming in on my images, I am so impressed! I should be, I saved up for months to get it! :-)

Andrew

Arved 06-16-2017 01:13 PM

Re: How many megapixels are enough?
 
I've printed a 40x60 in. print from my Nikon D70s. 6 MP was not a limiting factor here.

Colleague of mine made a print 8' by 3' for her studio from a Nikon D700. 12 MP. With the print inches from my face, the image appeared sharp, with no hint of pixilation.

I think the printing process is as important as the capture process, but I'm sure a good capture makes the printing process that much more reliable to get fantastic results.


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