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Questions tagged [image-quality]

Image quality describes how well a photograph matches a perceived technical ideal.

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1answer
265 views

What are Olympus' best in-camera Jpg settings for facebook

I usually shoot raw and make minimal in-camera post-processing with my O-M10 Mark II before exporting the photos to Facebook. Did anyone figure out what are the best in-camera jpeg resolution and ...
0
votes
1answer
72 views

Quality from camera to phone

If a picture taken with canon rebel t6 is sent to my Android phone, will it look the same printed from my phone vs the sd card from camera. Want to have a picture printed to canvas, originally taken ...
16
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6answers
6k views

Why is this smartphone picture better than this dedicated camera picture?

The other day I went hiking through a mountain in west Tokyo to take wilderness pictures for reference for the new videogame I'm working on. For the past few years, I've only relied on my smartphone ...
18
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3answers
4k views

Are online photos safe from damage?

The photos on one of my Facebook accounts seem to have lost a significant amount of resolution after they had already been posted. This account has other issues, for example, my timeline review is ...
1
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2answers
275 views

What are the Focalreductor/Speedbooster differences?

I have my grandfathers set of Canon FD lenses (among the most fun are a 50mm f/1,4 SSC, a 28mm f/2,8 SC, and a 200mm f/4 SSC) and a full set of filters for the same mount. So wanting to mount it on a ...
2
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3answers
158 views

What do I need to change to prevent this denim looking grain/noise in my product photos?

I'm an amateur and I'm reading everything that I can to learn how to take decent product photos and get the best out of the equipment that I have... My question is specifically, what is likely causing ...
2
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2answers
864 views

What should I expect from Canon EF 24-70mm f/2.8L II USM?

What should I expect from Canon EF 24-70mm f/2.8L II USM? Hey guys, I'm a noobie around here so I hope I don't annoy too many of you with this question. At the moment I have a Canon EOS 80D and ...
0
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1answer
135 views

Should i buy a lens or a new camera? [duplicate]

I have a sony dslr camera thats about 10 years old, it doesn't take as good quality photos as newer cameras. I want to know if i should buy a lens or a new camera. What affects the quality more?
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2answers
110 views

Image quality criteria in low light

I am using Gsmarena photo camera comparasion tool and I compare iPhone 6s plus and iPhone X in low light. Why iPhone 6s plus looks much better and less noisy compared to iPhone X while iPhone X has ...
2
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2answers
103 views

How large can I print an old illustration?

quick question. I've got a bunch of illustrations from the 1400's-1500's, and I would like to know how to figure out how large I can print this on art paper. The purpose is for art prints, they're ...
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1answer
68 views

How can I measure a new high dynamic range image tone mapping operator for performance or image quality? [closed]

I made a new operator for tone mapping, and I need to know it's efficiency (image quality) compared with other tone mapping operators.
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1answer
145 views

Programmatically assessing image quality [closed]

I am using a third party service which processes images and returns some metadata: The data (and ranges) looks like this sharpness 0-1 brightness 0-1 contrast: 0-1 dominant color: hex array of '...
0
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1answer
7k views

What are the differences between the Canon EF-S 18-55mm f/3.5-5.6 III and EF-S 18–55mm f/4–5.6 IS STM

I'm looking at these two lenses: Canon EF-S 18-55mm f/3.5-5.6 III & EF-S 18–55mm f/4–5.6 IS STM What are the differences between these two lenses, specifically in regard to overall image quality?...
4
votes
4answers
17k views

kB vs MB - will pictures be good quality

I recently had my sons newborn shoot done and the photographer has sent me all his images in kB, is this right as I have always received MB files from previous ones. Will the quality be ok when I go ...
3
votes
2answers
207 views

NIght Photography while at sea

My son is in the US Navy. He wants me to figure out which compact camera would allow him to take pictures at night while at sea of the stars, and bio-luminescence. Unfortunately, while he can use a ...
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6answers
233 views

How do you explain to an inexperienced person how to take photos for you to make a panorama?

There are several inexperienced people that I need to take photos of rooms so I can create 360° x 180°-spherical panoramic images from them. The problem is, that they always misunderstand what to do. ...
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2answers
128 views

Distinguishing Paintings from Photographs

Is there a simple, sure-fire, 100% accurate method one can use to distinguish paintings and other works of art from photographs? I am not asking: 'What is the difference between a painting and a photo?...
14
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11answers
15k views

Is there a noticeable difference in image quality between Micro Four Thirds and APS-C entry-level DSLR cameras?

I am thinking about either buying a Nikon d3400 (APS-C or an Olympus OM-D EM-10 mkii (M4/3). In principle I would prefer the Olympus, as it is much smaller and could fit in a jacket pocket. However ...
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3answers
91 views

Troubleshooting an image [duplicate]

I have an image, below, that seems "soft" and I'd like to know why. Possibly it was resized from something like 3000 x 3000 and not sharpened. Possibly it's a 500 x 500 image, expanded to 960 x 960. ...
0
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2answers
755 views

GoPro Hero6 Linear mode

I am planning to buy a Gopro Hero6 camera for mainly taking still photos and occasional video. My reason for choosing Gopro is ease of carrying and using it while travelling. Although i have heard a ...
0
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3answers
258 views

What is causing the lack of sharpness in this picture? [duplicate]

What is the most likely cause of the lack of sharpness in this picture? Taken with a Nikon D3000 and a 55-200 lens at 200mm, 1/320s, f/5.6, ISO 400.
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5answers
2k views

Will a lens upgrade from the kit lens give me better colors on my backpacking travels?

I currently have the Nikon D5300 along with the kit lenses (18 - 55mm). I use it for my backpacking travels to make better shots than with the smartphone, but what I've noticed is that the photos are ...
4
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2answers
2k views

Why are JPEG images from camera huge and the same images exported from Vistaprint software 10 times smaller?

JPEG images from my Nikon D3300 are roughly 12-15MB big at 6000 x 4000resolution. RAW images converted to JPEG through LightRoom are also 12-16 MB. I recently created an album through VistaPrint ...
2
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1answer
98 views

Digitize and enhance a photo from the early nineties

I have a photo taken in the early nineties featuring someone who sadly is not going to be around for much longer. All I have is the photo, we looked everywhere for the negative but it couldn't be ...
0
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2answers
198 views

Trying to understand losses in jpg compression

I have a bunch of jpegs taken with a Nikon D3200 at 6016 x 4000. They weigh between 9M and 12M each. To try and reduce space a bit, I compressed copies with the default Windows utility, and the new ...
2
votes
2answers
240 views

Why is my photo so low in megabytes?

I took this photo at night with an iso of 100, aperture of 16, shutter speed of 30 seconds in raw. I want to send it to print but when exported to jpeg its only around 8.4 megabytes and the print site ...
2
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3answers
1k views

The reason for my pale colored / bad contrast film images?

I'm a newbie at film photography and only recently fixed up an old Canon AL-1. My first try at film photography was with a Fuji 35mm iso 200 film. Developed & printed the film at an expensive ...
3
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3answers
214 views

Real world differences in pinhole sized apertures

I'm interested in experimenting with a pinhole camera and am considering the Ilford Obscura or Titan. The focal lengths are slightly different and not of concern for me. What I'm really interested ...
12
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6answers
2k views

Does aliasing occur in film photography?

I have observed aliasing with digital photos and videos. While film does not have infinite resolution, it appears that film grain does not have the regularity of a digital sensor, so aliasing may not ...
1
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2answers
141 views

Will my photographer be able to sell me better prints than I can get from the 2400×3600 JPEG files I hav? [duplicate]

I just got my senior pictures back and want to print them professionally. They were shot with a Canon EOS Rebel T5 and specs are 2400 x 3600, 240 dpi. My photographer uploaded them to her website and ...
2
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3answers
259 views

Calculating cost of Inks

I am working on an app in which I need to estimate the amount of ink used to print something and corresponding cost. I am not sure if this is the right place to ask this question. If not, please point ...
2
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3answers
713 views

Would stacking thinner ND filters perform as well as one greater ND filter?

If I stacked a Vivitar ND8 and ND2 filter, would they function as well as an ND16? Would this work for solar photography, or would a piece of welding glass be better? Edit: I also have an ND4 if that ...
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3answers
4k views

I open the image it's blurry, I zoom in it's sharp either in photo viewer or photoshop

All images I open in photoshop or just in a windows photo viewer look blurry when zoomed out and clear when zoomed in ( honestly I open the image and it's blurry, I zoom in it's sharp). Whats going on?...
0
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1answer
2k views

Taking a passport photo with DSLR Canon 1200D [duplicate]

New to this community. I have had a DSLR for a few years now so familiar with a few settings. I tried and failed to take a passport photo . The main issue I am facing is getting shadows around the ...
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3answers
432 views

How can I best determine if an image is in focus when reviewing on my DSLR's LCD screen?

I currently use a Nikon D200, admittedly an old camera. With that camera, if I want to check image quality, I use the magnify function and the thumb wheel. This allows me to zoom in on the image to a ...
1
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1answer
87 views

What's the cause of a small area of an image affected by an artefact?

This presents itself as a lighter area appearing to be overlaid on the image. 1. It's only with one lens, Nikon 18-70. I have four other lenses and it does not occur with any of these. (18-55, 55-200, ...
9
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5answers
2k views

Are there standards for 5 star rating scales of photos?

I'm preparing to go through thousands of photos and organize them and part of that is to give each one a rating of 1 to 5 stars. This has me wondering, has anyone developed a set of recommended ...
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4answers
1k views

Is there any difference between Nikon's current DX and FX 35mm f1/.8 primes other than the image circle and the ED elements?

For some Nikon DSLR lenses, like 35mm primes, Nikon has two offers: AF-S DX NIKKOR 35mm F1.8G ($200 USD) and AF-S NIKKOR 35mm f/1.8G ED ($530 USD) From my understanding, the lenses differ for only ...
5
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2answers
344 views

Can deconvolution help improve the apparent sharpness of mirror lenses?

I have recently ordered a Samyang 500 mm/f6.3 mirror lens on eBay, for about £80, largely out of curiosity -- at the very least, it will be an interesting toy and I can always sell it. Mirror lenses ...
5
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6answers
1k views

Do negatives scanned upside down lose quality?

I'm a novice, and don't have a detailed understanding of the technical terms, but I've scanned hundreds of 35mm and medium format negatives to get the best quality RAW files at certain presets which ...
0
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2answers
367 views

What of those EXIF values tell me more about my image's quality?

I have some images of which some look blurry, and the others look non-blurry. I'm trying to analyze the EXIF data of such images in order to determine why some images look blurry and why others don't....
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3answers
4k views

How to improve image sharpness on Canon 700D?

I'm currently using a Canon 700D with a few EF-S lenses, I like the Canon system, the looks, feel and ergonomics but I'm not happy with the files I'm getting. Whenever I come across a photo that ...
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2answers
513 views

What online tools exist to compare image noise between different sensor sizes?

I am currently thinking about upgrading my Canon SX720 with 1/2.3-inch sensor to a compact camera such as Canon G9X Mark II with 1-inch sensor. Before doing that I want to look at some samples images ...
4
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2answers
839 views

Filter for RGB separation and its effect on the image

Looking at Bayer filter of a typical consumer camera, one can easily see that sensitivity of the filter for each color is all over the place. Are there filters similar to Bayer that do a better job at ...
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4answers
837 views

Does sensor size always matter in all situations?

I recently bought a Canon SX720 camera which has the sensor size 1/2.3". It's probably the smallest sensor size. Some good camera smartphones such as Apple's 7 Plus has got 1/3" sensor. Does that mean ...
7
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3answers
1k views

Qualitywise, is there any downside to overexposing an image (within the dynamic range of the camera)?

If i underexpose an image and have to crank up the exposure in post, this will also amplify the noise, resulting in a lower quality image. In this case, it would've been better to expose correctly ...
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2answers
228 views

Can I produce this kind of image with my canon 550d with 50mm lens

see this image, how splendid this is, its colors, sharpness all good. My question is can I get same result with my canon 550d with 50 mm lens or should I upgrade my camera.
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4answers
5k views

will i lose data/quality converting my raw files to jpeg on my pc? [duplicate]

will converting raw files to jpeg be the same as taking a jpeg photo to begin with? or will I keep my raw quality converting it to jpeg post shoot?
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3answers
4k views

How do I find out what camera was used to take this photo?

I want a way to know what camera produced this beautiful photo. I shot a photo in the same place with my Nikon D3200, but it was not close to the quality of the other shots. I believe that could be ...
0
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1answer
106 views

Why is the price between these two lens differ so much? [duplicate]

I am a beginner in photography and trying to understand about camera lenses. This morning I came across Mike Matas' video which was made using this thousand dollars Canon 50mm. I also have a 50mm ...