Alley in Pisa, Italy

by Lars Kotthoff

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

learn more… | top users | synonyms

0
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0answers
32 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
111 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
260 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 ...
42
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7answers
6k 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 ?
1
vote
3answers
61 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 ...
2
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1answer
330 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 ...
1
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1answer
124 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
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1answer
89 views

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

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
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2answers
80 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 ...
1
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6answers
394 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, ...
4
votes
5answers
684 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
324 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
151 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
854 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
189 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
296 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
530 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 ...
9
votes
2answers
806 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
738 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 ...
1
vote
2answers
710 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 ...
10
votes
2answers
1k 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 ...
5
votes
4answers
341 views

Can photos from a mediocre zoom be made as sharp as a prime lens in post-production?

I use Canon 7D with a 18-135 kit lens. Though the image is in focus, it is not that sharp. I wonder if we can have a sharp image — something equivalent to primes — with post production. What I have ...
4
votes
3answers
5k views

Does leaving the Canon 7D sharpness setting at zero make images worse or better?

Do you know if leaving the sharpness setting to zero makes the image worse or better. I find that putting it to 7 makes it "sharp" but something seems artificial with it when I review the images. ...
2
votes
4answers
2k views

Blurry pictures when zooming in

I have a 3 month old Nikon D5100. The closer I zoom in, the blurrier the picture. This is on auto. I have two lenses and they are both doing this. Any ideas why?
4
votes
2answers
103 views

Does Stopping down affect the performance of the sensor's AA filter?

I noticed a while back that with a lens stopped right down (say f16-22), any dust on the sensor becomes much more noticeable and "focused", and wide open (say f1.4) it is practically invisible. This ...
1
vote
2answers
859 views

Canon Sharp Zoom Lens for Fashion Photography

I am looking to buy a Canon L lens, preferably a zoom to cover various ranges and focal points. I had a look on the new Canon 24-70f4L and it looks fantastically sharp. However, someone mentioned on ...
12
votes
4answers
682 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 ...
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votes
1answer
1k views

My images are not sharper Nikon D800

I have Nikon D800 and I feel that my images are not sharper. My friend has D4 and I like the way his images look. But he always says he reduced the sharpness in the camera. What value can I set to ...
2
votes
4answers
576 views

Is 24mm F/1.8 Prime lens blur bokeh is good (not distorted face) for portraits

I want to buy and do a photos+video interview with Sigma F/1.8 24mm Fixed Prime. I did profile photos/interviews with my Sigma 85mm F/1.4 on My Sony A77 APS-C camera. I used to use F/1.7-F/2 as a ...
4
votes
1answer
133 views

Do elements drift out of place with age in zoom lenses?

I have used a Nikon 18-200 for several years and probably have 30K or so photos taken with the lens. It appears that over time the lens is less consistent in the sharpness of the lens. I have heard ...
8
votes
3answers
584 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 ...
1
vote
2answers
169 views

How do sharpening tools work?

I'll be brief: How do digital photo sharpening tools restore edges to photos? Why do they only sometimes work? Why don't they restore the image perfectly i.e what are the limits of the tools?
2
votes
2answers
768 views

What is the difference between depth of field and focal plane?

I would like to know how to address the difference between them and how relates to each other.
4
votes
5answers
718 views

How could I achieve stock quality sharpness?

I am using Canon 600d equipped with 18-55mm kit lens and also I bought 50mm 1.8. I am trying to take pin sharp pictures to upload them for sale.I am shooting still objects and models time to time. I ...
2
votes
2answers
13k 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 - ...
7
votes
1answer
434 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 ...
10
votes
4answers
886 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 ...
11
votes
6answers
992 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 ...
3
votes
5answers
290 views

Are images taken with newer DSLRs sharper than those taken with old ones?

When I compare images that I shoot with my 30D against images shot with a friend's 600D, the 600D consistently produces sharper images than my 30D. This is true even when the images are viewed at the ...
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 ...
4
votes
2answers
149 views

Are older macro lenses soft at long focus distances?

I have an old (20+ years old) Nikon mount Sigma 50mm f/2.8 macro lens with a 2X Tamron teleconverter that I use on my Canon body. When taking macro (1:1) or general close-up shots, the lens is very ...
6
votes
2answers
3k 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 ...
24
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 ...
7
votes
3answers
3k 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 ...
5
votes
3answers
1k views

Image quality when using the same lens on 16Mpix vs 24Mpix

I'm considering buying a new camera and my two candidates are Nikon D7000 and Nikon D7100. I heard that 24Mpix sensor needs very good lens to produce sharp images. Considering that I currently have ...
5
votes
2answers
731 views

Is this the level of sharpness and detail I can expect from a Nikon D7000 and 18-105mm lens?

Being a newbie, I would like to have some comments on my current skill level and quality of my current equipment. I own a Nikon D7000 with 18-105. I am not very much satisfied with the quality of ...
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 ...
4
votes
4answers
1k views

Why aren't photos from my Tokina 11-16mm f/2.8 as sharp as I expect?

I did a shoot with the Tokina 11-16mm f/2.8 on my Nikon D5000. Most of the pictures came out good but a lot of them weren't as sharp as I would like. I used that lens because it was a shoot in a ...
14
votes
3answers
358 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 ...
10
votes
2answers
902 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 ( < ...