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

learn more… | top users | synonyms

3
votes
2answers
7k views

What lens should I buy to get sharp pictures from my D7000?

I have just changed my D200 for a D7000 with the kit 18-105 lens. However, the quality of the pictures is not comparable with those of my D200: not as sharp, not as much definition and overall a ...
3
votes
3answers
528 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 ...
8
votes
3answers
952 views

Why are my city night pics more blurred than I expect, and what can I do about it?

I have a Canon 550D using a 10-20mm Sigma lens, with tripod. I have taken some photos of my city at night, and while the shots are ok... upon zooming in just a little you can see many lights are ...
11
votes
5answers
1k views

What is the difference between a soft and sharp image?

I have seen several questions talking about images being soft or sharp. What is the difference? Is soft simply the opposite of sharp in this context, or is there something more to it? Sample images ...
6
votes
2answers
323 views

Can I get better image quality with a higher focal length or by cropping an image from a sharper lens?

Two well known ways to get better image quality are to use a sharper lens, and to zoom in to fill the frame (as opposed to zooming out and cropping in post). Sometimes there is a give and take between ...
1
vote
3answers
260 views

Do lenses need to be made with more precision for Hasselblad's 60MPix camera?

One of Hasselblad's cameras has a Double-Full-Frame sensor. Does that mean that the lenses needed for it are incredibly complex to build (to have a sharp, high quality, abberation free image on the ...
2
votes
1answer
280 views

Which attribute is the most important in a DSLR and lens when shooting objects from a distance?

I need a DSLR & lens that can shoot objects at a long distance with great sharpness when I open the image to view and zoom. So, what attribute is the most important to do that? Some of my friends ...
7
votes
4answers
997 views

Why are my photos taken at f/11 less sharp than those taken at a wider aperture?

I am new to photography. I have Fujifilm FinePix HS10 camera. Lately I was trying my hands on landscape photography. I learnt from different tutorials that setting high aperture value gets most of ...
1
vote
2answers
551 views

How can I improve the sharpness of my pictures? [duplicate]

Possible Duplicate: How I could take crisp sharp shots without expensive lens? I have software to correct sharpness, the one I use the most in Linux is darktable. But post-processing never ...
2
votes
2answers
214 views

Why doesn't pixel peeping with magnified Live View give the sharpest possible image?

I've seen this comment (most recently in this question), or similar, in several answers here on photo.SE: "Pixel peeped images aren't likely to look sharp". Why is that? It would seem to me that if ...
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?
4
votes
3answers
923 views

Are prime lenses sharper than normal or telephoto zoom lenses?

Example: The prime lens Nikon 1.4F G is said to be very sharp at F3.5. So, if I compare that with the normal or telephoto zoom lens's F3.5, will the level of sharpness be same? If no, then will the ...
2
votes
4answers
2k views

What is considered “sharp enough” w.r.t the landscape pictures from a DSLR with F16?

This image was shot with a Canon 5D (the older one) with a EF24-105mm f/4L lens. The lens was set at 45mm at f/11, and the shutter speed was 1/90 of a second which was +0.5 from the meter at ISO ...
8
votes
1answer
184 views

Can the sharpness of the lens be evaluated with no relation to the DSLR?

When I read lens reviews, they all say that one lens is sharp, another is very sharp, another one is not sharp at all, etc. For me, it doesn't make sense to just say that a lens is sharp or not, with ...
3
votes
3answers
226 views

Which is sharper, theoretically - small image at 100% or large image re-sized in Photoshop?

I take macro shots of watches and post them on the web (not intended for printing), typically 640x480px. I've been composing those shots in the 1504x1000px frame so that it shows the required size ...
3
votes
4answers
2k views

Why am I getting soft images with my Sigma 24-70 f2.8?

I recently purchased a Sigma 24-70mm f2.8 lens which I am using on a Canon 40D body. Around 8 of 10 shots were soft, regardless of subject matter. Exposure, white balance etc. all looks fine. I only ...
7
votes
5answers
3k views

Why are my night photographs always blurry?

I was shooting the lighting of the city that is visible at the top of the trees if you shoot landscape. No matter what I do, the image is blurry. What have i done: ISO 100 Manual focus towards ...
2
votes
1answer
501 views

How to shoot sharp “landscapes” with a point and shoot camera?

So, I have been told in a thread here previously that the minimum aperture (F8) on my point and shoot camera can cause diffraction and result in losing details of the subject if too many things are in ...
7
votes
3answers
854 views

Is it worth investing in a used 35 mm Film camera?

I've a Canon 60D and I'm mainly interested in shooting landscapes. I feel very interested in buying a used canon EOS film camera (since my EF lenses are compatible). I would like to take pictures ...
4
votes
2answers
399 views

How can I achieve well focussed and sharp images at long focal lengths?

Well I guess this is a question every newbie asks. I have a Canon 550D with the 18-135mm kit lens. I was out on a small trip in a nearby town to take some good snaps with my DSLR. I know the lens ...
8
votes
3answers
1k views

How can I take photographs with a large depth of field?

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 ...
12
votes
10answers
2k views

How can I make a very sharp photograph with a point & shoot camera?

I've taken a picture with my Canon PowerShot SX210 IS and the following settings: Aperture: F8 (Maximum I have) Shutter speed: 1/400 ISO: 80 Focal length: 21.1 mm (118mm 35mm-e) I did increase the ...
3
votes
3answers
2k views

This doesn't seem very sharp…is this normal?

Body: T2i Lens: Kit, 18-55mm f3.5-5.6 I went to shoot a sunrise this morning at the beach and got some great pictures, but when I uploaded them to some light post-processing, I was slightly surprised ...
5
votes
2answers
705 views

How to check for sharpness in small LCD screens?

I have recently bought Macro lens(Tamron 90mm) and been experimenting with it, My camera is Canon EOS 1000D and it has only 2.5" LCD screen. Immediately after taking the picture, How can one check ...
5
votes
2answers
3k views

How can I get sharp macro photos like this example?

How can I get a sharp photo like this photo: http://www.flickr.com/photos/opoterser/4189239614/in/photostream For macro photography, I use a Nikon 105mm VR II with D300s. Can I get something like ...
31
votes
7answers
6k views

How can I get sharp manual focus despite poor eyesight?

I suffer from astigmatism. It's only mild, though I feel it's affecting what I'm seeing when looking through the viewfinder. Frequently, after shooting a photo with my Canon EOS 7D, I'll load it into ...
8
votes
4answers
804 views

Why buy an intentionally soft lens?

While reading some reviews of older lenses, I keep reading "It's soft wide open, but that's not always a problem with portraits." Over my rather short time in photography thus far, I've come to ...
7
votes
4answers
1k views

How to take sharp photos while using maximum optical zoom?

When I shoot with high zoom (above 3X on my point-and-shoot camera), the sharpness of the picture seems to come down. Is it a feature of all cameras or is it due to higher sensitivity to camera shakes ...
5
votes
6answers
1k views

How do I get this fashion photograph effect?

I found an interesting fashion photograph and I want to recreate the effect. I know for a fact that the pictures are taken in complete darkness using a Canon XSi, the built-in flash, and some ...
3
votes
1answer
2k views

How do the Pentax 18-55mm and 18-135mm compare in image quality?

I've been reading a lot about the Pentax DA 18-135mm lens and its performance compared to other lenses. I've heard that this lens is very soft at 135mm regardless of aperture. However, I've also ...
12
votes
4answers
636 views

Is there a noticable difference in sharpness between a 1.8 lens and a 2.8 of similar design?

I recently bought a second-hand Carl Zeiss Jena PANCOLAR MC 1.8/50mm Lens off eBay (still waiting for it to arrive though) and am going to mount it to my Canon 7D via a M42 adaptor. I primarily shoot ...
7
votes
4answers
451 views

Were lenses for film designed to focus different colors at different depths, and what does that mean for digital?

I was reading the book Adobe Photoshop CS5 for Photographers: The Ultimate Workshop by Martin Evening & Jeff Schewe (Focal Press. 2011) and read this paragraph about film lenses and DSLRs: … ...
12
votes
6answers
17k views

How to take fast-shutter-speed photos that aren't dark?

I was taking pictures of some water splashes. I knew I needed a fast shutter speed to make them look frozen in time. I have not used manual mode yet. I use the settings where I can pick the shutter ...
8
votes
2answers
2k views

How can I/should I check the sharpness of my camera lens?

The sharpness of a lens is a major concern for most photographers. This might be because we are worried about a defect in the lens, a problem with our technique or a problem with the camera. Or we ...
11
votes
1answer
3k views

Does image quality of a lens depend on the camera used?

I recently bought a Canon 50mm f1.8 for my Canon 1000d. But, I find that the images are not as sharp as those I saw in the reviews or any other images taken using other cameras like the 550d and ...
1
vote
2answers
403 views

Am I being unrealistic about image quality expectations from Canon 70-200 F/4 USM IS L Lens?

I'm shopping for a 70-200 F/4 USM IS L, and took a few test shots with it. Here's a full resolution jpeg, and a 100% crop with a focus point highlighted. It was shot handheld with IS on at 70mm / F4 ...
5
votes
4answers
2k views

Why does the cheap kit lens seem to be sharper than the expensive L wide-angle?

So recently, I was just browsing through Canon's product lists and found the 17-40 f/4 L to be quite interesting, although I will not buy it anytime in the near future. Still, I decided to make some ...
15
votes
4answers
2k views

Why do photos look best without any sharpening?

Maybe it's a subjective question, but most of the time my photos look best when I leave the Sharpening slider of Lightroom in a value close or equal to zero. Which are the benefits of digital ...
4
votes
5answers
1k views

Are Sigma DC 18-50 1:2.8 EX sharpness problems common with wide apertures?

I got this Sigma DC 18-50mm f/2.8 EX MACRO HSM lens few weeks ago, but I noticed considerable sharpness problems with wide apertures. Until f3.5 (or even f4.5) this lens can't really be used. I would ...
19
votes
4answers
2k views

Why should my last post-processing step be sharpening?

I've seen a number of people recommend that you apply sharpening as the last step in post-processing, and some seem to imply you should always do that. Why? I tend to discard pictures that either are ...
7
votes
2answers
923 views

Microsoft Paint renders pictures sharper than others

I use Picasa 3 to view my pictures, but today I just happened to open a picture in Microsoft Paint. MUCH sharper at ALL picture sizes (Zoom in and out). So I compared a few pictures in Paint to ...
30
votes
5answers
3k views

Focus problem vs. motion blur vs. camera shake - how to tell the difference?

I'm not sure if the title of the question captures what I mean, but it's hard to be succint in the space allowed. Suppose you have a picture that is not as sharp as you think it should/could be. ...
40
votes
7answers
5k 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 ?
7
votes
7answers
10k views

Difference in picture sharpness between Canon and Nikon?

My wife has a Canon 40D with a Sigma 17-70 DC (no image stabilizer) lens. She sometimes goes on shooting trips with a friend of hers who has a Nikon D90 and a AF NIKKOR 35mm f/2D (fixed focal) lens. ...
16
votes
3answers
2k views

What goes into making smooth, crisp, fashion magazine worthy shots?

I bought an SLR, a Nikon D70, several years ago with the intension of eventually reproducing the smooth but crisp effect I had seen from my favorite portrait shots like this one from Declan McCullagh: ...
20
votes
4answers
8k views

What is the shutter speed needed to stop motion?

I find that taking pictures where the subject is in motion (people, pets, toy helicopters) I get a blur where there is movement. On the other hand I see images of a drop of water in free fall in ...
6
votes
4answers
841 views

How can I get sharp images using optical zoom function on a point-and-shoot?

We’ve got a point-and-shoot (Canon A590 IS), and it seems that the zoom function is completely useless because it is always blurry, even in broad daylight. For example, I tried to take a picture of a ...
22
votes
3answers
3k views

With all other things equal, in a DSLR, will a larger sensor produce a sharper image?

I asked a question a while ago here about the "sweet spot" of a lens, which led to a really interesting discussion of "sharpness", the physics of light, and general image quality. 1st Question In ...
21
votes
4answers
3k views

How do you find out the “sweet spot” of a lens?

I've tried googling this, but have never found a satisfactory answer. I've heard the term "sweet spot" thrown around by some photographers to mean the f-stop of a lens which results in the highest ...
12
votes
9answers
4k 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 ...