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describes clarity of detail, the perceived combination of resolution and acutance.

learn more… | top users | synonyms

2
votes
3answers
80 views

Is the “typical print size” still relevant when judging sharpness of a photograph?

When judging sufficient DoF or, on the contrary diffraction issues at high F-numbers, the typical print size sharpness is what really matters. A few tutorials on the Internet as well as some answers ...
4
votes
2answers
157 views

Do images need special treatment for high-resolution (“retina”) displays vs regular displays?

What are people's (experimentally tested if possible) views on sharpening images depending on whether they are to be viewed on retina or non-retina devices. Assuming resolution in the file is not an ...
19
votes
3answers
5k views

Why isn't this portrait taken at f/29 sharp?

I am confused as to why this picture is not sharp. This is a portrait shot at F/29 ISO100 1/250 with a 17-85mm lens focused at 38mm. The subject distance was 1.2M. My DOF app tells me that my DOF ...
6
votes
5answers
1k views

Does long exposure affect the sharpness of a picture, assuming no camera shake?

Assuming that the camera does not shake during long exposure photography, How does the sharpness of the image get affected? Would it be more sharp, less sharp, or remain the same?
1
vote
5answers
165 views

Are prime lenses sharp across the whole frame while zoom lenses are soft in the corners?

Somebody told me that there is a difference in sharpness between a zoom lens vs. prime lens. A 58-200mm will give sharp focus in the center of the frame but blurry performance at the corners, while ...
8
votes
4answers
2k views

How can I take photographs with a large depth of field without diffraction?

I was looking at some pictures by TSO Photography, and I was struck by how everything in the image seems to be sharp and in focus. I do realize that to achieve huge depth of field, you set the ...
5
votes
5answers
6k views

What camera feature to look for to capture moving subjects clearly?

I'm a beginner to photography. I want take pictures of moving objects clearly. Which feature should I look for while buying a camera? What setting is needed to click blur moving object and also ...
3
votes
6answers
1k views

Why are my photos not crisp?

I own a T3i with the kit lens. I have experimented a lot with different settings and modes but I am not so knowledgeable and I feel like I have wasted many good shots that could have looked amazing, ...
6
votes
4answers
676 views

How can I get a lot of detail in the face, skin as seen in this poster for The Martian?

How was this effect achieved? You can see a lot of detail on the face, skin, etc. Is this a post-process filter or can you get this look by only playing with camera options? Is it possible to do ...
8
votes
2answers
9k views

How can I take a photo with everything in focus with my DSLR?

I am quite new to DSLRs and one of the first things I noticed was the incredible focus points and depth that you can achieve. That is great in a lot of scenarios, but not in all. When filming a ...
6
votes
1answer
157 views

What properties of an image could be used to programmatically discard it as “bad”?

I'd like to have a quicker review process of my photos when I dump them from the camera to the computer. Surely there are some parameters that I can extract programmatically from the photos and this ...
3
votes
3answers
2k views

What would be a good indoor setup to find a lens's sharpest aperture?

I read the whole of How do you find out the "sweet spot" of a lens? — great question and answer, but it didn't discuss a potential homemade rig for finding the sharpness aperture of my ...
3
votes
1answer
96 views

Why is the sharpness of a lens often determined by aperture?

Related to: How do you find out the "sweet spot" of a lens? I am wondering why most lenses resolve finer detail when stopped down a bit. Further, after the "sweet spot", after stopping ...
14
votes
8answers
5k views

How can I take crisp sharp shots without an expensive lens?

Recently I bought my first DSLR camera. It is a beginner's one, a Sony Alpha A230 kit. To tell the truth, my shots are no more crisp than those I used to take with my old point and shoot Nikon ...
0
votes
1answer
78 views

Graininess and lack of detail [duplicate]

Hello fellow lens loving junkies! I have been struggling to get very sharp, non-grainy images. I have a Canon Rebel Eos T3i. Even images at 100 ISO are not as sharp as I would like. Not sure if it is ...
0
votes
1answer
96 views

How do I achieve sharp and brightly coloured pictures on a Canon EOS700D/T5I? [duplicate]

I see some pictures posted and they are glossy, sharp and solid. I always wonder how they achieved it. I have a 18-55mm lens for now. Is it possible to get this result on that lens or do I really ...
2
votes
3answers
536 views

Lack of sharpness: is it me, or my zoom lens?

I am specifically talking about Nikon 24-70mm f 2.8 lens Here is the picture I took with that: And here is another one I took with my prime lens Nikon 85mm f 1.8 I think this one is sharper and ...
1
vote
3answers
242 views

How can I get tack-sharp portraits with the focus perfectly on my subject's eye?

How can I consistent achieve tack sharp images, when wanting to focus on eyes in a portrait? I am always using single focus and moving the focus point to the eye and recomposing if necessary. What ...
2
votes
1answer
187 views

What can I do to improve the sharpness from my Canon 60D for stock photography?

I recently started getting into stock photography and submitted some images to Shutterstock. I was rejected for various issues like noise and focus. I was surprised at how high their standards were ...
7
votes
5answers
6k views

At what shutter speed threshold does a tripod start to matter?

I use a Nikon D7000 with a prime 35mm/f1.8 lens. I usually shoot at the highest aperture with 200-1000 ISO, holding the camera steady and taking 6 or more shots in the hope of at least one coming out ...
48
votes
6answers
9k views

What is a “diffraction limit”?

I've seen the term used, but what is a "diffraction limit", when should I worry about it, and what undesirable effects are a result of it ?
3
votes
1answer
1k views

Why do my photos appear grainy when taken at the widest aperture?

I have a Nikon d5000 and just purchased a Tokina 11-16 lens. I was taking picture of a dog 1-2 meters away during winter at mid day today. Using the aperture priority setting, I set the camera to ISO ...
0
votes
2answers
78 views

Image quality - related to camera or not? Blurry, artificially sharpened images

I bought a D90 camera recently which was well used with 67k shutter actuations. I took some photos and this is the result: On the left, you can see that the image looks blurry when zoomed into, ...
1
vote
2answers
2k views

DPP output is not sharp

I am using DPP (Digital Photo Professional by Canon) for post processing. Not sure what is wrong with it, but every time I produce an image (.JPEG) out of raw (.CR2) file, it turns blurry. I tried all ...
4
votes
2answers
760 views

Are there any downsides to scaling down unsharp images?

To keep my personal image catalog compact, I am considering scaling down all images that are unsharp for one reason or another, but are interesting or valuable enough not to delete them altogether. I ...
12
votes
9answers
6k views

Is it common to have problems with soft images on a 7D?

I moved from a 20D to 7D recently and moved my EFS 17-85mm to the 7D. The 7D images are soft so I had to program my own sharpness mode. I use both tripod and hand held, and yes I know to turn off ...
3
votes
1answer
220 views

Sharp, in focus portraits - analyse an example please

I have tried taking a few portraits in my living room, using studio flash. I'm still new to it, so my lighting setups may not be great. I have found sometimes that I can shoot 3 or 4 shots in a row - ...
3
votes
4answers
2k views

Why Isn't This Photograph Pin Sharp?

I Have Been Trying Out My New Canon EF 24-70mm and I'm pretty underwhelmed by its sharpness. Here is a RAW file shot from a solid tripod on an (almost) windless day using a remote. Obviously it ...
1
vote
3answers
197 views

Why are my pictures so shakey?

I am new here so I am not sure what all information you will need to help me with this...but....Can anyone tell me what might be causing my camera to take pictures like this? I tested two cameras ...
0
votes
1answer
158 views

1/30 shutter speed with film camera

If you take a photo with a 1/30 shutter speed, but the objects in the photo were not moving, will the picture appear blurry? Or will they appear clear?
0
votes
1answer
190 views

When should I consider an image sharp? [duplicate]

Recently I am worried about the functionality of my Pentax K-50, i.e. I am not able anymore to get real sharp images. Thus my question arose, what I should see as "sharp". So I took several pictures ...
-2
votes
1answer
230 views

Which of these two metrics is a good measurement of sharpness?

I have seen two metrics used to measure the sharpness of a camera: Perceptual megapixels, used on Dxomark. Number of lines the camera can resolve in a resolution chart. However, these two ...
3
votes
3answers
31k views

How do I choose between 24-70 f/4 and 24-105 f/4 Canon lens?

I am getting a new medium range zoom lens for general use and occasional weddings. This new 24-70 f4 was top of my list until I watched this review: Canon 24-70 f/4L IS vs Canon 24-105 f/4 IS - ...
3
votes
1answer
720 views

How does the resize option 'bicubic auto' in CS6 incrementally upscale images?

It's been demonstrated that upscaling incrementally improves image quality, Empirical Study: Extreme digital upscaling, and that thread also shows that choosing 105% increments versus 110% increments ...
0
votes
0answers
35 views

How can I shoot a portrait and still see a sharp background [duplicate]

I consider buying an entry-level DSLR (probably Sony A58 kit or Nikon D3300 kit). I won't buy any lenses, I'll keep the 18-55mm that come with the camera. So, if I want to shoot a person from close ...
1
vote
1answer
298 views

Sigma 28-105 3.8 5.6 Lens not sharp with Nikon D7000 unless stopped way down?

I find that my Nikon D7000 is not producing sharp images with a Sigma 28-105mm f/3.8-5.6 lens. It is very soft from f/3.8 - f/11, but from f/13- f/16 it is sharp. But I cannot shoot with these ...
4
votes
5answers
344 views

Unable to get sharp landscape picture

I'm facing often the same kind of trouble when taking landscape pictures... I end up with a picture that could be great but that is totally not sharp ! Example : I set up the maximal focal ...
1
vote
3answers
131 views

Do you lose the increased sharpness of not having an AA filter if downscaling?

I just read the DPreview of the Nikon 5300, and it mentions that its new 24-MP sensor doesn't have an anti-alias (AA) filter, allowing for higher sharpness. I was wondering if you would see the ...
1
vote
1answer
780 views

Nikon D3000 Blurry Pictures. Focus Issue?

Here are two examples: Both pictures are in NEF format here. The pictures have not been modified in any way except except for being resized and converted to PNG. Just for kicks (and to prove I'm ...
-4
votes
1answer
111 views

Why do my photos appear more in focus when I use a long exposure? [duplicate]

Why does an unfocused lens still give a focused view with a longer exposure? For example, I took an out-of-focus photo with a ¹⁄₁₀th second exposure (at f/7.1), but when I change to 10 seconds (at ...
1
vote
2answers
155 views

Lower quality photos in burst mode

I took some photos of high speed skating and as there was too much motion involved, I switched to burst mode (continuous shots) hoping I'll get some good shots. But the sharpness of those taken in ...
4
votes
5answers
974 views

What are the main factors that will affect the sharpness of my images?

I am relatively new to DSLR photography and I am mainly learning by taking photos and enjoying doing so. One of the curiosities with my photos are how the level of sharpness varies from photo to ...
4
votes
5answers
836 views

Are full-frame cameras less forgiving with respect to camera shake?

I am debating if I should upgrade to a full frame camera or not. I heard that full-frame cameras are less forgiving if there is camera shake? My worry is that my pictures might not be as sharp with ...
1
vote
3answers
262 views

Why can't I get a sharp macro image when shooting handheld, even with IS?

These days I shoot macro handheld, using the focus and recompose technique. I used AF-one shot. I used a Canon 100mm 2.8 on my Canon 550D. My shutter speed was 1/100s, but it was quite frustrating ...
3
votes
4answers
1k views

Can different metering modes affect sharpness for a m42 prime lens?

Recently, I got some old m42 prime lens from Ebay and started playing with them with my Canon T3i/600d. However, it's difficult to get sharp pictures with these manual focus lens as there is no AF ...
3
votes
2answers
213 views

How is the warm soft quality of photos like this created without impeding the sharpness?

I see photos of this style all the time and I simply can't work out how they create the warmth and softness without sacrificing the sharpness! Is it a filter in a image app, is it a filter? I just ...
3
votes
2answers
439 views

Should I shoot in RAW format to get lighter and sharper images?

Most of the time I have problem with the lightning of my images even after post processing with Adobe Photoshop. I searched the net and I found that people use the RAW format instead of jpg. Do I need ...
6
votes
8answers
8k views

Why am I having trouble getting sharp results with my new DSLR, compared to a point and shoot?

I'm having issues with my new Nikon D3200. I am new at photography, but I've previously used my parents camera (a Canon) for my brother's senior photos, and those were crystal clear. I've got this ...
8
votes
2answers
2k views

Are superzoom lenses really so bad?

I have read comments in multiple places, both on photo.SE and elsewhere, that superzoom lenses are not good and that most people will be better served by buying two zoom lenses, each spanning a ...
16
votes
4answers
994 views

Is it still necessary to stop a lens down on an APS-C camera?

I’ve read a lot of lens reviews that say something like, “in order to get the maximum sharpness out of this lens, you’ll need to stop it down” to f/2.2 or f/2.8. I’m shooting on an APS-C camera. Is ...