Orquid "Phoenix"

Orquid "Phoenix"

by ceinmart

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

learn more… | top users | synonyms

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 ?
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 ...
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. ...
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 ...
20
votes
8answers
2k views

How much “noise” is acceptable in a photograph?

I've been at photography for a little over a year, and I primarily do landscape and wildlife/bird photography. Most of my work has been a learning experience so far, with few shots actually something ...
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 ...
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 ...
17
votes
5answers
6k views

How can I determine the minimum shutter speed to avoid blur from camera shake?

How can I determine the minimum shutter speed at which I can effectively avoid camera shake while hand-holding the camera?
16
votes
4answers
696 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 ...
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: ...
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 ...
14
votes
3answers
354 views

Compensating for poor air quality?

I live in a heavily industrialized part of China. The only time you could fairly describe the air as clean is the 45 minutes immediately after a heavy downpour. As such, photos taken of subjects ...
13
votes
8answers
4k views

How I could take crisp sharp shots without expensive lens?

Recently I bought my first DSLR camera. It is a beginner's one, a Sony alpha 230 kit. To tell the truth, my shots are not more crisp than those I used to take with my old Point and Shoot Nikon ...
13
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 ...
13
votes
3answers
469 views

Distortion/quality when using a full frame lens on a crop sensor camera

I am looking for a sharp, affordable wide-angle prime for my Nikon D7000, primarily for landscape shots. I am really interested in the Samyang (aka Rokinon, Bower) 14mm f/2.8 lens due to its ...
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 ...
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 ...
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 ...
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 ...
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 ...
10
votes
6answers
894 views

Do lenses lose sharpness when they age?

I was reading this answer where it mentions, "..it's a lens that can lose sharpness as it ages.." and was wondering if this is true and if yes, true for all lenses. Reasons as to why this happens and ...
10
votes
2answers
798 views

How to stop a high F number from appearing blurry?

I have been out taking some evening photos (just after sunset) and I have noticed that in a number of instances the higher f numbers ( 14+ ) are appearing more blurred than the lower f numbers ( < ...
10
votes
4answers
875 views

Why does the red area in this photo look very un-natural?

I was looking through some photos I took at RAF Cosford a few weeks ago, and noticed this big red area (it's a large door surround on the floor below) In the photoshop RAW preview, it looked almost ...
10
votes
2answers
639 views

What is sharpness vs. clarity in photo editing software?

I have been using Lightroom and Photoshop Pro for past 7 months. For all my photos, I used to increase the sharpness using the options available. I now see another option called clarity, and when I ...
9
votes
4answers
2k views

Given the same lens, does shooting with FX cameras yield sharper results than DX cameras?

I have a D7000, and I want to buy a D800 sometime next year because of a "foolish idea" that FX cameras yield sharper images over DX cameras. I am quite new to photography and did my research. ...
9
votes
3answers
249 views

How sharp of an image should I expect at night?

I'm a beginner with my first camera (sony nex6 mirrorless). I was trying my first few night shots Using the kit lens but I wasn't able to find a way to take sharp images. I've done the following: ...
9
votes
2answers
534 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 ...
8
votes
2answers
739 views

Why do my photos look like they're painted?

I'm not an expert, but all the photos I take look like they've been painted. It doesn't look like normal blur. I'm using a FinePix S2500HD and the following photo was taken at 1/2000 exposure. I ...
8
votes
3answers
955 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 ...
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 ...
8
votes
4answers
806 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 ...
8
votes
1answer
185 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 ...
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 ...
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. ...
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 ...
7
votes
4answers
452 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: … ...
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 ...
7
votes
3answers
2k 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 ...
7
votes
3answers
856 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 ...
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 ...
7
votes
3answers
511 views

Software to find sharpest image in sequence?

I took a batch of images with slight camera shake. What software is there to automatically find the sharpest image in the batch? What I already found is Imatest's findsharp, but they write: "Find ...
7
votes
2answers
926 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 ...
7
votes
1answer
380 views

What is the difference between microcontrast and sharpness?

I keep hearing the internet talk of this micro contrast from the famous Zeiss lenses. What is it? Is it the same as sharpness? And if so, why is it called differently for Zeiss? Does anyone have any ...
6
votes
2answers
2k 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
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?
6
votes
4answers
842 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 ...
6
votes
2answers
324 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 ...
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 ...
5
votes
8answers
402 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 ...