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Questions tagged [image-quality]

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

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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?...
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11answers
12k 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
670 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
222 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 ...
3
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1answer
96 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 ...
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2answers
183 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
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2answers
235 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 ...
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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 ...
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3answers
199 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 ...
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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
136 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
211 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
624 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
3k 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
1k 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
386 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, ...
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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 ...
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2answers
308 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
944 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
334 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

the best way 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
486 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
747 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
796 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
224 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
4k 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 ...
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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 ...
0
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1answer
939 views

Why do my images look fine in Lightroom itself but poor quality when I export them?

I'm editing my night shots in Lightroom and use Google Nik Collection Dfine2 to reduce the noise.. Noise reducing in Dfine is the last item in my workflow, and when I export image .jpg it has poor ...
2
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1answer
135 views

Why there is a ripple on my image? [duplicate]

I'm taking several images of my company products, and this is what I considered the best shot. However, it has a sort of "rippling effect", which is more clearly visible when it's not viewed full ...
3
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3answers
297 views

How to make an image clearer?

I usually use two techniques to make a image clearer: Use a High Pass filter, then adjust the Layer Mode to be Soft Light Use the Sharpen module in Camera raw But these methods don't work in these ...
0
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2answers
3k views

What about DPI? [duplicate]

What about DPI when sizing to 2048 the long way? Mine are usually 300dpi but since FB (FaceBook) changes that to 72 dpi, would I be better off to change to 72 dpi myself before uploading? Thank you!
2
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3answers
166 views

Why does image quality vary across lenses, and what to look for when comparing?

I just picked up a mint SMC Takumar 28mm f3.5 lens. From what I read people say it provides quite good image quality. And the things I read about my Canon T3 kit lens 18-55mm f3.5-5.6 IS, is that it ...
4
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3answers
604 views

Will switching from Canon to Nikon as a way to improve image quality make my stock images saleable? [duplicate]

I'm an amateur currently owning a Canon 700D and a few lenses (18-55, 10-18, 55-250 and 50 1.8 STM). As I try to do some stock photography, image quality is my main concern, and 700D has a very ...
0
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1answer
345 views

Lens quality impact on sharpness

I have a Nikon D7200 and recently took it on a trip where I shot with both the kit AF-S 18-140 f/3.5-5.6 ED VR lens and the Nikon AF-S 24-70 f/2.8G ED lens. While I consider myself a relatively good/...
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5answers
3k views

Do cheap filters have an effect on image quality?

Do cheap lens filters (UV, ND, CPL) affect image quality, color reproduction, sharpness, etc.? Do they really offer protection?
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1answer
1k views

What is the quality of Fotga filters?

I am looking for a cheap beginner filter kit. I came across Fotga in ebay, but I could not find more information about the manufacturer on the internet. Do you know about them? Is the quality ok?
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3answers
95 views

Enhancing and Re-texturing with Photoshop

I have a picture of very low quality, I want to add the detail back by using textures from the internet. I know in video games a lot of time people will go and "re-texture" in game textures to give ...
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3answers
8k views

Why is there a loss of quality from camera to computer screen [duplicate]

When i take a photo it looks bright, sharp and vibrant colours, but when it is transferred to my computer it looks so bad. Very dull and dark with weak colours. I have to brighten and increase ...
1
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5answers
755 views

Difference in photographs and real life?

So im new to photography. I was wondering, is there a difference in how our pictures appear in, say a selfie click (from the back camera, not front) and how we look in real life. I know the mirror ...
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1answer
192 views

How to improve quality and detail in faces and hair with Photoshop

I would like to use this photo on a smartphone wallpaper which means cropping it to vertical and in turn losing some quality. What is the best way to improve/enhance the details in the faces and hair ...
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3answers
144 views

Do different smartphone apps create different raw pictures?

Androids camera-2 API supports taking photos in raw format (dng for my Nexus 5) with an appropriate camera app. Since there are different apps I could use, I'm wondering if the raw picture data ...
3
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1answer
109 views

Is this image artifact to be expected and is there a name for it?

I noticed that when I underexpose a subject at relatively high ISO (e.g., 1000) and I adjust the exposure in Lightroom, a slight artifact will sometimes appear. I was wondering if this is normal or if ...
4
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4answers
8k views

How did CNN take that gigapixel photo for Trump's Inauguration?

http://edition.cnn.com/interactive/2017/01/politics/trump-inauguration-gigapixel/ I cannot see any form of blurring from motion, or stitching artifacts. It seems impossible to have been over time. ...