Questions tagged [sharpness]

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

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2answers
51 views

Reduce image sharpness and DPI [closed]

Why does the sharpness of the imag decrease when I increase the DPI of an image?
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5answers
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Do more megapixels mean sharper images?

Do more megapixels mean sharper images? Would a 24 MP camera produce a sharper image than an 18 MP one (given the same lens, settings and scene)?
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169 views

How to proper focus for sharper images?

For shooting landscape photos, what is better using manual focus or automatic focus? I seen a lot of people who focus with automatic focus then switch to manual focus, is this so the focus doesn't ...
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85 views

Different focus on different parts of the picture

I have a problem with the camera on my Xiaomi Mi A2. It mainly occurs when I take pictures of things far away. This problem is consistent. I have added a few pictures. You can see in one of the ...
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1answer
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Sony A6000 with Sony E 18-200 lens: images unsharp on the left, in particular at zoom — lens damage?

My photos, taken with a Sony A6000 with a Sony E 18–200 mm lens, are unsharp on the left at moderate zoom and unsharp everywhere off-centre in severe zoom. This effect is present with image ...
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1answer
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What is the optical problems in these test images and what causes them?

As I was recommended in the question How to determine which lenses are good at testing teleconverter quality? I was taking test pictures trying to determine lens/teleconverter quality. No I did not ...
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4answers
272 views

Images Unsharp Or My Criteria Needs To Be Adjusted [duplicate]

I have Nikon D3500 with kit lens 18-55 VR and some other lenses af-p 10-20 among them. As I renewed my interest for photography some time ago, I have some images at the LR scrutiny that were taken ...
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2answers
648 views

Settings to improve dull images

I am using Nikon D5600 with 18-55 mm kit lens. When I take photos of open fields or other landscapes, the color combination comes out dull. I compared it with Canon 1500D photos. Photos from Canon are ...
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3answers
274 views

How to get sharper photos with a kit lens when in low light conditions?

I took my new Nikon D7500 out yesterday and its my first DSLR. I would like to get some thoughts on shooting sharp photos in low light conditions with it. I was shooting after sunset but before ...
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1answer
174 views

Optically reduce chromatic aberration - is it worth trying?

I have been using this Tamron SP 180mm 1:1 Macro - F/32 lens to digitize 35mm slides. Unfortunately, the lens' chromatic aberration is quite noticeable, when used at 1:1. I have plenty of strobe light ...
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10answers
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Why can't I shoot with a fast shutter speed with my continuous light at max power?

I would like to ensure a sharp focus of my object when shooting overhead (both object and background in focus). However, when shooting in manual at f/8.0 and ISO100 my shutter speed has to be 1/4 for ...
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2answers
354 views

Will a Nikon D810 give me more fine detail than a D610 for macro enlarged shots?

I do a lot of photography that focuses on tiny details usually with marine animals such as coral. I am in need of a camera that produces a photo, that even when enlarged from a macro point, it retains ...
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Do I really need a US$1500 rig for crisp sharp photos? [duplicate]

I'm getting into photography and got myself a used Canon 1200D with a Tamron 18-200mm lens. And currently under no circumstance I am able to make a perfectly focused sharp and detailed photo. Or at ...
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3answers
388 views

Is it better to shoot at diffraction limited aperture or sharpest lens aperture?

In the old cameras like Nikon D80 with 10 Megapixel pixel count. The diffraction limited aperture is F/13 but its known that lenses are generally sharpest at the F/8 so it's a no brainer to shoot at F/...
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1answer
253 views

Why are my picture not as sharp when shot RAW as when saved as JPEG [duplicate]

Newbie question here. I shot an image in low light in jpeg format and it's crisp, but when I shoot raw in plain day at 1/125, my image looks blurry most of the time. Unless I max out the sharpness ...
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3answers
168 views

What affects tripod stability?

I have a Vanguard Veo 2 265 CB tripod. I really like it and it has been performing, but lately I am trying to get my pictures as sharp as I can get and I noticed something. It must be trivial to ask,...
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310 views

Tamron 100-400 (Canon EF) sharpness

I'm puzzled by how the results that "The Digital Picture" have received while testing the new Tamron 100-400 telephoto zoom lens contrast the positive reviews by the actual users all over the Internet....
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2answers
159 views

Why does grain increase acutance?

The Wikipedia article on acutance claims that a slight amount of noise or grain can increase acutance. Cambridge in Color gives the following demonstration. No noise: With noise, with more acutance: ...
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2answers
593 views

Why do I get so many unsharp pictures with my Canon 70-200 IS f/2.8?

Please take a look at the picture below. You can see where the focus point was thanks to a LR plugin. But the image is unsharp - again. And yes, I'm sure the dog was standing still enough for 1/250 ...
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2answers
106 views

Is this the limit of the camera image quality or is the subject out of focus?

I'm using the "macro" mode in the Powershot G9X II. The macro mode is simply a shorter focus range, there is no magnification in place, like in aftermarket macro lenses for DSLR's. I've shot many ...
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3answers
369 views

Will upgrading from P900 to Nikon D500 and a 200-400 lens make my bird photographs sharper?

I am using a Nikon P900 and although I love the camera the image quality is not always as sharp as it could be. Also it is just 3 years old and is falling to bits although i do use it daily. As most ...
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1answer
124 views

Long-end softness in a wide-angle lens

I just got a copy of the Tamron AF 20-40mm F2.7-3.5 SP Aspherical IF for my Sony a7 (using the non-AF Sony A/E adapter) over eBay. I'm seeing what seems to me like a surprising degree of softness ...
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4answers
3k views

Why is Nikon 1.4g better when Nikon 1.8g is sharper?

I am new to photography (just 3 to 4 months of experience) and I am looking to buy a new lens (either 35mm or 50mm, but mostly 35mm because I have already decided Sigma 85mm f/1.4 DG HSM Art Lens for ...
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3answers
119 views

How to capture sharp images of multiple objects on a wall?

I need to photograph a wall with multiple paintings with every painting under sharp focus. I believe depth of field doesn't play here as all the objects are at same distance. I tried with higher ...
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5answers
1k views

Can you determine if focus is sharp without diopter adjustment if your sight is imperfect?

I've already encountered this question about wearing glasses as a photographer. A more specific question I have is as follows. If your eyesight is not perfect, or your glasses and/or contact lenses ...
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1answer
141 views

Create a canvas-like style (a blurred effect)

Hi I would like to have a fluffy effect for the details of my image, and I have tried tools such as Sharpen, Blur in Fliter, and Clarity in RAW manipulation, but in vain. The left hand side is the ...
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3answers
250 views

How will a teleconverter affect the sharpness of a lens at a given aperture?

If I have a 200mm f2.8 lens and apply a 2x teleconverter the effective focal length and aperture becomes 400mm and f5.6. However, I am unsure about the effect this has on other aspects, such as image ...
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2answers
2k views

What makes the difference on partially and fully visible moon?

While I'm satisfied (despite the fringe) with shoots from a partially visible moon with a cheap 500 mm lens: 1/100 ISO 100 f/? I cannot understand why the image quality is extremely diminished when ...
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1answer
282 views

Why is the Canon-mount Sigma 24mm F1.4 DG HSM Art sharper in the corner in DxOMark's ratings than Nikon-mount version?

Why is the Sigma 24mm F1.4 DG HSM A lens corner sharpness much better in the Canon version than the Nikon's, according to DxOMark's ratings? Canon: https://www.dxomark.com/Lenses/Sigma/Sigma-24mm-...
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166 views

what technology does Nikon use to reduce moire?

Nikon cameras do incredible job with moire effect even that nikon cameras do not have anti aliasing filter.And i didn't find moire in any situation with my Nikon d7100
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1answer
898 views

Why are test images from my Fujifilm X100F softer than I expect?

I just got a copy of the X100F, and I was really excited to play around with it. But as I've taken a handful of pictures in various settings, I've noticed that the sharpness of the images were not ...
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2answers
490 views

Lack of Focus/Sharpness on Zoom

I have recently taken what I thought were hundreds of amazing pictures of a group of seals on an CA beach - only to find every single picture is clearly out of focus or lacks sharpness. A sample ...
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3answers
2k views

How to avoid the grainy background in sunset picture?

I was taking this picture of the sunset. I used auto focus, but the trees are not really that focused. Also, the red background is grainy. Any tips if I get this opportunity again? I was using a ...
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2answers
290 views

Can using a high resolution sensor and downsampling compensate for a soft lens?

In this question Does super-sampling produce good results? the difference in quality between using a high and low resolution sensor of the same size and then downsampling the high resolution one gives ...
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1answer
105 views

Are focus and resolving power optically equivalent?

Limited "resolving power" or "sharpness" is a problem one can see with many lower-quality lenses, especially with higher-resolution camera bodies. Playing with my cheap 500mm mirror lens, I often get ...
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2answers
356 views

Why do Photoshop, InDesign, Pixelmator Pro, and Mac Pages all “smooth” my digital photos on export to PDF (how achieve best print preparation)?

I am preparing digital photos for printing and performing various test prints for comparison (with a very cooperative print shop). The print shop only accepts PDF, not direct print from raster format ...
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3answers
402 views

How do I get the best sharpness from a Zeiss Jena Pancolar MC lens?

I've just ordered a Zeiss Jena Pancolar MC 50mm prime lens, and have been reading up as much as I can about how to get the best quality images from it. It's my intention to use it mainly with 3 ...
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2answers
266 views

Sharp focus photography with APS-C [closed]

So, it happens that I am really passionate about the sharp focus photography, where some points on the picture looks sharper than the usual, just like the example I've attached. My question is: how ...
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1answer
222 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 '...
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3answers
371 views

How does one evaluate the sharpness of a fisheye lens throughout its field of view?

While I have been analyzing sharpness and other optical properties of rectilinear lenses for a while, I have received a fisheye lens covering 180° and am having trouble producing an adequate test. ...
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2answers
141 views

How can I capture motion while maintaining the sharpness of the main subject with an iPhone?

I want to capture motions. I use shutter priority mode with very low speed to get motion blur. But still want to maintain the sharpness of the main subject. I'm using iphone Camera + app. But I couldn'...
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2answers
400 views

To what extent, and how, does light source affect sharpness?

The quintessential window-lit portrait has a soft glow about it. A photo may be sharp, but it's perceived sharpness is on a different level from a photo taken using a single light utilizing a snoot or ...
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3answers
434 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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1k views

Are there tools used to remove heat-haze or other atmospheric conditions for long range shots?

So I was on a hill doing long range landscapes, miles away. I notice that the shots are specifically less sharp and noiser if I'm aiming at a city, but if I aim at the body of water in front of it or ...
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3answers
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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
471 views

How should I arrange a scene to test the relative sharpness of lenses with different focal lengths?

I want to compare sharpness of two lenses, consider 50mm f/1.8G vs 35mm f/1.8G from Nikon on a crop sensor camera by taking some photos (from some small size text on a paper) and review the results. ...
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4answers
3k views

Why my DSLR is not as sharp as my smart phone?

I recently bought a Nikon D5500 camera with two lenses: 18-140mm f/3.5-5.6G ED VR and 50mm f/1.8G. When I compare the results with my advance smart phone (Samsung Galaxy Note 5), the sharpness is not ...
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1answer
2k views

How to get a sharper image using Nikon D3200? [duplicate]

Just wondering if you have any tips on getting a sharper image with a Nikon D3200? I was using a kit 18-55mm but solved the problem by taking someone's recommendation and shot a pic at F8 while in ...
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1answer
317 views

what does RIH mean in an MTF chart

I've read some guides to interpreting an MTF chart, but I can't find any information about the meaning of RIH. My thought an MTF chart would show line/mm curves, so what are these F1-F9 RIH T/R values?...
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4answers
2k views

How to take sharper photos [duplicate]

I am sick and tired of getting photos that turn out just slightly blurry. I can't seem to figure out why this is or how to fix it. I like to shoot at events, indoors and outdoors, action shots and ...

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