Can A 6 Mpx Camera Print Images At 8.5 X 11
How many megapixels are needed for 8x11 prints?
aris14 • Regular Member • Posts: 381
Re: How many megapixels are needed for 8x11 prints?
Usually 6-viii is more than enough, just if u r a ppi peeper then only a 10x thorough loop test volition tell you exactly what you need for the given printer after printing one of the charts in the thorough previews related to resolution of a sensor. And then simple! Enjoy...
Bob Blount • Veteran Member • Posts: 7,458
Re: How many megapixels are needed for 8x11 prints?
http://www.design215.com/toolbox/megapixels.php
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Bob
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freddyNZ • Senior Fellow member • Posts: 2,611
Re: How many megapixels are needed for 8x11 prints?
Bob Blount wrote:
http://www.design215.com/toolbox/megapixels.php
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That guy's confused : "Almost books and magazines require 300ppi for photo quality" when they ordinarily in fact enquire for 300 dpi images.
WBirch • Senior Member • Posts: two,836
Agreed... 4MP is plenty
For an eight.5x11", you need no more 4mp's.
(3.1 MP'south is good, actually)
Regards,
Wayne B.
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WBirch • Senior Member • Posts: 2,836
Printer?
Yves wrote:
And you printed with???. Tell usa. Y'all left out the printer you used.
What the heck does the actual printer device have to practice with it, Yves??
It's upward to the lensman to select the proper settings when editing
the photo to exist printed... isn't it?
4 mega-pixels tin can get a long way to create a great 8x11 if the gear
and lensman has a inkling... even in JPEG.
Regards,
WayneB.
=======================
Razr • Contributing Member • Posts: 563
Re: How many megapixels are needed for 8x11 prints?
Gary Fin wrote:
I heard it was seven-8mp earlier, but when I do the math, I need a lot more.
three.2 Megapixels for some older model "bridge" and early on DSLRs, 5 megapixels for the five year old DMC-FZ20, which produces sterling 13 x 19 prints.
-- hide signature --
1200mm = my E510 on steroids
Kikl • Contributing Member • Posts: 986
Re: How many megapixels are needed for 8x11 prints?
Gary Fin wrote:
I heard information technology was 7-8mp before, merely when I exercise the math, I demand a lot more.
I brand the following assumptions:
ane. The impress size is 8x11 square inches.
two. The printer can do 300, 600, and 1200 dpi prints
3. The photographic camera is not using 3cdd, so for each 4-pixel squares there
are 2 green, i blue, and i cerise pixels.
4. The printer tin create each colour dot by superimposing different
CMKY colors dots on the same location.My calculation yields the following results:
Case 300dpi: 300x300x8x11*four = 7.92 mp 4 = 31.68 mp
Case 600dpi: 600x600x8x11*4 = 31.68 mp 4 =126.72 mp
Case 1200dpi: 1200x1200x8x11*iv = 126.72 mp iv = 506.88 mpIf my calculation is correct, then 32 megapixels are needed for a
printer supporting 300dpi on viii"x11" prints.
pixel stands for picture element. A picture element is a dot with a sure brightness and color. The red, dark-green and blueish color data represents a single picture element. Therefore, they do not count as four pixels but every bit 1 pixel. If y'all divide your result by four, y'all get 8 megapixels.
Regards,
kikl
kurja • Contributing Member • Posts: 813
Re: How many megapixels are needed for 8x11 prints?
Kikl wrote:
pixel stands for moving picture element. A motion-picture show chemical element is a dot with a
sure brightness and colour. The red, green and blueish colour
data represents a single picture element. Therefore, they do
not count equally four pixels but as i pixel. If you split your issue by
4, y'all get 8 megapixels.
Methinks this guy got information technology correct. More then than the original poster, anyway.
Yves • Contributing Member • Posts: 836
Re: Printer?
So, according to you, all printers are equal. All nosotros need is a number of pixels, the quality of the printer does not count. Very funny.
Re: How many megapixels are needed for 8x11 prints?
freddyNZ wrote:
sherwoodpete wrote:
So, the bodily corporeality of detail which the printer can
produce will be less than the quoted resolution.At present that's truthful, merely also most inkjet printers are quoting dpi of
several thousand.
You'll also find that the basic maths attempting to quantify possible
"existent" resolution from this doesn't let for the facts that most
inkjet printers tin can vary droplet size/density, and colour and density
tin can exist affected by overlaying droplets - something you can see in
action if yous lift the lid to see an image formed from multiple
passes of the printhead, or alternatively expect at printed half-tones
under a microscope.
So the old argument based on the idea that resolution is limited by
placement of fixed density pure C,Y,Chiliad, and 1000, aerosol, plus "no ink"
for white, equally if on some filigree, is just plain wrong.
FWIW, my old Epson R1800 resolves at to the lowest degree 600dpi horizontal, and at
least 400 dpi vertical.
Actually there is a lot of truth in what you lot say. I was perhaps thinking of the early on printers which did not entirely live upwardly to the labelling on the box. I accept that modern printers can exercise better.
Regards,
Peter
Parisis • Senior Fellow member • Posts: 2,277
Re: How many megapixels are needed for 8x11 prints?
2.1 mp Olympus Uzi
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spt_gb • Senior Fellow member • Posts: 2,876
When it comes to talking purely about resolution
then no, the printer you utilize doesn't brand very much difference. Information technology sets the upper limit to resolution, but even cheap inkjets these days can handle 1200dpi. Improve printers improve on colour gamut, reduce/eliminate artifacts like banding and give smoother transitions. Conversely older LightJets produced beautiful looking prints at only 150dpi
So, given the above, are you request what printer to purchase (based on what criteria), or how many pixels are needed as a minimum for a given sized print (for what type of subject(s))?
Yves wrote:
And so, according to y'all, all printers are equal. All we need is a number
of pixels, the quality of the printer does not count. Very funny.
ZorSy • Veteran Fellow member • Posts: 3,517
Re: How many megapixels are needed for 8x11 prints?
Love my one-time Phaser 450e and 480x - they are dye sub printers. In modern "number" terms they do information technology poorly, simply 300 dpi. BUT, each primary colour has 128 levels (480x claims 255) and colours are layered over the acme of each other. That gives each colour can exist one of 16M (64M). Calibrated with EF1000 (Efi+Eye1) I don't demand more.
Even if I exercise a screen dump over the 10x13" it comes out nifty and it is sub-2M resolution. I practise not look my monitor under magnifying drinking glass (information technology reveals dirt in corners...do y'all?), but for photo printing on OP'due south target size, 8M is what is needed to cover the pixel count. Every bit said, it is difficult to see deviation (in pixel resolution) if it was 5M - even so one will hands run across the lack of colours (gradients and mono-tones). The problem with dye-subs is dedicated media, usually only ane. Combined with type of ribbons, that gives 2 cease options - matte and gloss. Second to this, lower local contrast than with inkjets (a bit higher USM and sharpening does the trick) merely no match to "pixel" sharpness of ink printers. Either fashion excellent pick for event photography (constant price per page and speed).
cheers
Re: How many megapixels are needed for 8x11 prints?
Yous can calculate all yous want simply it depends on more than simply mathematics. If the flick is precipitous than 4 mp is enough. I take probably sold more prints from my Canon G2 from years ago. If the shot is precipitous, before pp, they wait slap-up at viii.5x11.
Remeber, there were 8.5x11'due south way earlier digicams got upwardly to the megapixels of today.
Honestly, I think viii.5x11's wait better from this cam than any other SLR I've endemic.
Panasonic Lumix DMC-TS30 Panasonic Lumix DMC-GF3 Panasonic Lumix DMC-GM1 Panasonic Lumix K 14mm F2.5 ASPH Panasonic Lumix Thousand Vario Hd 12-32mm F3.5-5.6 Mega OIS
Ii
This following film is from a 2 megapixel Olympus 2040. It diisplays roughly 16X20 on my monitor and is reasonably precipitous and detailed. An 8X10 is only 1/4 the area of a 16X20. An 8X10 would show no lack of sharpness or detail. I have an 8X10 print of this photo and information technology is as sharp and detailed as normal viewing can find.
lbuclk= • Veteran Member • Posts: iv,339
Agreed
spt_gb wrote:
so no, the printer y'all utilize doesn't brand very much difference. It
sets the upper limit to resolution, just even cheap inkjets these days
can handle 1200dpi. Better printers meliorate on colour gamut,
reduce/eliminate artifacts similar banding and requite smoother
transitions. Conversely older LightJets produced beautiful looking
prints at only 150dpi
So, given the above, are you request what printer to buy (based on
what criteria), or how many pixels are needed as a minimum for a
given sized print (for what type of subject(due south))?Yves wrote:
Then, according to you, all printers are equal. All we demand is a number
of pixels, the quality of the printer does non count. Very funny.
-- hide signature --
And I would add, try it for your cocky, print at 300 or 600 dpi even with a $40.00(USD) I think yous would savor it.
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jack1000 • Contributing Member • Posts: 751
Re: 8.4 MP at 300 dpi
Agreed, this is the correct (and unproblematic) calculation. In reality,
240 dpi (or even less) is virtually indistinguishable from 300 dpi,
so you tin can get excellent 8.5x11 from even a skillful 6mp. Of class at
... wouldn't 100 dpcm exist a nice user-friendly figure to fix on? Much more convenient and easy to piece of work with than dpi.
Re: four megapixels
Yves wrote:
And you printed with???. Tell us. You left out the printer you used.
Permit me butt in here, my standard impress size is 12"x8" on A3 paper (nice big white borders) printed using Q-Image pro software on a HP B9180 printer, paper is Brilliant Museum SilverGloss white. The photographic camera? A four.ii Megapixle D2Hs. No 1 ever complains about the quality of my prints.
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