Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [sharpness]

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

8
votes
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 ...
1
vote
1answer
96 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-...
0
votes
2answers
72 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
4
votes
1answer
243 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 ...
2
votes
2answers
143 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 ...
8
votes
3answers
1k 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 ...
6
votes
2answers
114 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 ...
5
votes
1answer
78 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 ...
2
votes
2answers
234 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 ...
1
vote
2answers
162 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 ...
0
votes
2answers
120 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 ...
-1
votes
1answer
106 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 '...
2
votes
3answers
162 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. ...
0
votes
2answers
107 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'...
5
votes
2answers
186 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 ...
0
votes
3answers
197 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.
1
vote
2answers
338 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 ...
1
vote
3answers
3k 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 ...
-1
votes
2answers
318 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. ...
3
votes
4answers
2k 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 ...
-1
votes
1answer
879 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 ...
4
votes
1answer
194 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?...
7
votes
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 ...
0
votes
3answers
345 views

Why are my product photographs not sharp?

I just bought a Canon 750D. The picture has too much noise. The detail/shine of the diamond is not really showing. I am also using a tripod and timer. The lens is the EF-S 18-35mm ƒ/3.5-5.6 IS STM. ...
1
vote
1answer
97 views

How can I improve the sharpness of my Sigma 50mm 1.4 DG HSM lens? [duplicate]

I've had it for a while but haven't used it much because it is not sharp. Suggestions? Can it be sent off and is that expensive?
1
vote
2answers
12k views

What kind of old 35mm point and shoot do I need to take photographs in the style of Gunnar Stahl?

I'm looking for a camera that shoots comparable to the Yashica t4 super/ Nikon l35af. I love the sharpness the camera puts into the photo and the lighting with the flash is the look I want for a ...
0
votes
1answer
314 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/...
0
votes
2answers
156 views

Can't get sharp focus on Canon 7D at 250mm f/32 [duplicate]

I'm an accomplished photographer (at least I thought I was) until I shot and re-shot a scene and it keeps turning out soft. Settings: Canon 7D... 250 mm...f29...manual focus...1/40 exposure I used a ...
6
votes
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?
0
votes
1answer
261 views

Tight shutter speed but picture still blurry!

I shot indoors under dim lighting and struggled getting sharp quality. The image below was shot at: 1/125 8.0 ISO 3200 My thinking was the ISO was high enough, the shutter speed fast enough ...
1
vote
3answers
365 views

Can't get my pictures sharp (Rebel Ti2 + tripod + Sigma 10-20 f/3.5 EX DC)

I'm really into landscape photography but I can't get my pictures to look sharp. They look boring and dull. I focused to infinity by using the infinity symbol on my lens and by manually focusing using ...
2
votes
3answers
335 views

Why do images sometimes look “softer” at higher focal lengths (like 300-500mm)?

I get that it has to do with the lens, but what exactly is causing this?
1
vote
2answers
643 views

Will there be a noticable difference in sharpness and color between Nikon and Canon [duplicate]

Hi I have a Nikon D750 with a 70-200mm f2.8 VRii lens and a 35mm f1.8G ED lens. I mostly shoot family portraits. I was thinking about switching to the Canon 5D Mark IV with a 24-70mm f/2.8L II USM ...
4
votes
3answers
492 views

Why is only part of this image blurry?

I took this picture using a Canon 60D with a Tamron 28 – 300mm lens at f/16 and 2 minute exposure time using a tripod. I am wondering why the lights are not sharp on the right side, and what should ...
4
votes
5answers
3k views

At what point does the Canon 5D Mark IV's high-ISO performance give it higher real resolution than the 5DS (R)?

I want the sharpest images with the most detail possible. Resolution increases detail (to a limit) Noise decreases sharpness Therefore, I have a dilemma. I am looking to purchase a new DSLR: either ...
7
votes
4answers
904 views

How can I improve the sharpness for tabletop still life of photography?

I have a Nikon D5100 DSLR with a 18-55mm lens and a 55-300mm lens. I'm shooting with a tripod (and remote) over a table top where I've arranged flowers and other miscellaneous things, using mostly the ...
1
vote
7answers
3k views

Why are some portraits so sharp and others not

I often see extremely beautiful and sharp portraits like these: I was wondering what makes them so sharp and beautiful: Camera quality? Lighting? Post-processing? Luck? How would I go about if I ...
1
vote
5answers
1k views

Does shooting landscape at lower f-stop produce reasonably sharp images?

This article argues that, 50mm prime lenses, on the other hand, have a maximum aperture of somewhere between f1.2 and f2, letting you hand hold photos in much lower light levels (they also give ...
2
votes
1answer
156 views

How to improve macro photo sharpness? [duplicate]

I was playing with an old point and shoot camera and I made this close-up photo of a pepper: I took many photos and it seems I can’t get a sharp image across the whole object. Can I make this better ...
2
votes
1answer
819 views

Sony A6000 blurry in peripherals despite sharp center — is this a mirrorless thing?

I used to have a mirrorless Sony Alpha A6000 camera. The problem I had with it was that, no matter how hard I tried to keep the center of my photos sharp, my photos always looked blurry in the ...
0
votes
1answer
152 views

Unsharp photo with Kodak PixPro AZ521, mainly when zoomed

As you can see, the photo is very blurred. I tried playing with the manual settings, but I didn't get too promising results. What do you think the problem can be? My settings: ISO100, no zoom, ...
1
vote
1answer
3k views

Sharpness and bokeh comparison of Nikon 50mm f/1.2, f/1.4G and f/1.8G

The contestants are Nikon 50mm f/1.2, f/1.4G and f/1.8G. The list prices are 38,550 INR, 27,990 INR and 18,000 INR respectively. Bokeh: As with any portrait lens, I want a creamy bokeh performance ...
2
votes
3answers
173 views

How to shoot a flower sharp in a light breeze?

I want: Blurred background. Sharp flower with some point in focus. I have: Macro lens 60 mm on a tripod. No flash. Situation: Gentle breeze blowing constantly in a garden. Timing is not a ...
1
vote
3answers
1k views

Why do images look sharp on my camera's LCD, but not tack sharp on my laptop?

I am using a Sigma 18-35mm f1.8 Art lens on a Nikon D7100. On appropriate settings, I see sharp images after pressing the zoom button once, but not before doing that. When I review them on a laptop, ...
1
vote
1answer
123 views

What causes blue and red gradient/shade around black spots in photos? [duplicate]

Right now I'm trying to improve the sharpness of my photos, and for that I've checking if my D7000 has some autofocus issues. Therefore I tested my 35mm f/1.8G and my 50mm f/1.4G. I figured that the ...
1
vote
2answers
567 views

Bad focus. Is it me or my body (D7000)?

So I have a D7000. Grey market, which I didn't find out until after I had to send it in to get serviced. And it's never felt as...sharp as it should be. I always assumed it was just me. I am going on ...
6
votes
6answers
358 views

Why are my sports team pictures fuzzy?

UPDATE: I added the largest jpeg files I could with the original tone, unedited except for a cropping and the change from RAW to jpeg. Thanks for everyone's advice!! This forum is awesome! I use a ...
1
vote
4answers
917 views

How is this look achieved? The sharpness, low saturation, fashion look

This imagpe of Conor Mcgregor has a 'high fashion' type of look. How is that achieved? It seems low saturation, it's sharp and kind of 'shiny'! Could someone give some insights please? I use LR. Is ...
5
votes
4answers
221 views

How can I increase the sharpness for shots like this water droplet image?

How can increase the sharpness of this kind of shot. I was using a 55-200mm with f/8 and 1/4000 shutter speed
1
vote
6answers
1k views

What would be a better lens, 40 or 50mm prime, for walk around? [closed]

I have a Canon t5i body, an 18-33 EFS wide angle lens, a 70-300mm EF telephoto lens, and the kit lens that came with the body. I am still building my lens collection and am looking for something of ...