Linked Questions

0 votes
1 answer
3k views

Best AF Fine tuning for Nikon D7000 lenses [duplicate]

Over the last few months I've been noticing an annoying back - focus problem on my Nikon D7000, regardless if I was using a AF-S or AF lens. But the problem seems ...
Mauker's user avatar
  • 143
1 vote
1 answer
2k views

How to find out perfect autofocus adjustment value? [duplicate]

Possible Duplicate: What is the best way to micro-adjust a lens? I have D7000 for some time and all of my nikon lenses were working fine. But I have bought Tamron 28-75 recently and it's ...
zacharmarz's user avatar
2 votes
2 answers
232 views

Fine tuning a lens focus [duplicate]

I just got a 35mm f/1.4 lens and wanted to see if it has any focus issues to be fixed. So I got this kit and not sure what exactly I should have done but I focused on the middle of that bar code like ...
Brandon's user avatar
  • 2,460
44 votes
12 answers
7k views

Are there disadvantages to a prosumer camera for a beginner, aside from cost?

I basically decided on a whim (from reading this site, talking to some friends, and always admiring great photos) that I want to get into photography. Are there disadvantages to starting out with a ...
Tom's user avatar
  • 3,149
39 votes
4 answers
99k views

What is back-focusing?

What is back-focusing? Is it something I need to be worried about, or can I just live with it? How can I tell if my camera/lens is sufferring from it?
Edd's user avatar
  • 3,057
37 votes
3 answers
12k views

How can I test a new lens to make sure it is operating correctly?

How can I test a new lens to make sure it is operating correctly? I found two similar questions with answers specific to things such as sharpness and focus, but I want to cover any and all possible ...
dpollitt's user avatar
  • 46.6k
32 votes
3 answers
17k views

What is a zone plate?

I was looking into alternative methods of photography and I happened upon something called a 'zone plate.' Three questions: What is a zone plate? How does it work? What can I do with it?
Jay Lance Photography's user avatar
18 votes
2 answers
28k views

What do "Frontfocus" and "Backfocus" mean? [duplicate]

I've read those terms in a couple of lens reviews, and not even Wikipedia has an article about it. So my questions are: What is back/frontfocus? What causes back/frontfocus? Is there any preventive ...
Andres's user avatar
  • 5,034
7 votes
4 answers
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 ...
Ryan's user avatar
  • 1,135
11 votes
2 answers
8k views

How do I diagnose the source of blurry photos?

Probably a novice question, but how do I correctly diagnose from a photo for what reason that camera wasn't able to focus properly? Or tell if the image was blurry for some reason other than incorrect ...
MnZ's user avatar
  • 422
3 votes
2 answers
8k views

Do the issues with sharpness I am seeing require AF fine-tuning?

I own a nikon D7000 with 18-105 lens. I am not happy with sharpness I get with autofocus in portraits. I read about front/back focusing, but I am not sure whether my gear has this issue. Is this issue ...
V.B's user avatar
  • 1,786
8 votes
1 answer
16k views

Can I fine tune the autofocus on my Canon 60D to be more accurate?

I noticed that some of my lenses auto-focus more accurately then others. (Assume perfect light conditions and fast shutter speed) Zooming-in on say the center focus point (if only the center focus ...
Jakub Sisak GeoGraphics's user avatar
7 votes
5 answers
606 views

How To Reliably Trigger Moire?

What is the most reliable way to trigger moire artifacts in an image straight out of a digital camera? I know that resizing an image can cause it but I want to see it all full-resolution and be able ...
Itai's user avatar
  • 103k
1 vote
5 answers
9k views

How can I fix back/front focus on my Canon 50mm F/1.8 STM lens?

I have a Canon EOS 1200D body with a bunch of lenses. A while back, I acquired the new Canon 50mm f/1.8 STM lens, and started noticing that the images were soft. After a bit of experimenting, I found ...
adarsha joisa's user avatar
0 votes
2 answers
17k views

Canon 50mm f1.4 no longer focuses reliably

On my Canon 6D, other lenses work as expected. But my 50mm f1.4 which has been very reliable for many years is not focusing correctly. It can sometimes focus when the subject is close (1-5' away). ...
Sajee's user avatar
  • 211
5 votes
2 answers
2k 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 ...
V.B's user avatar
  • 1,786
2 votes
2 answers
13k views

Why does my DSLR focus on the background instead of my subject when taking shallow DoF photos?

I am an amateur photographer and have a Nikon D7000 and I want to get the blurry background effect (shallow DOF). I have a 35mm lens and I have set the aperture to be 1.8. While taking a picture I ...
Yahoo's user avatar
  • 121
4 votes
1 answer
2k views

Is the Quality Inconsistent on the Canon 24-70mm f/2.8 L MkI lens?

I'm considering buying a Canon 24-70 L Mk I. There is one thing that scares me a bit, though: reading reviews around the intertubes it appears that a fair number of people had to send their copy back ...
s.m.'s user avatar
  • 163
4 votes
1 answer
11k views

How can I fix my Nikon D7000's back focusing problem?

After using a new Nikon D7000 camera for awhile, I've found that that my camera has back- focusing issues - many images are out of focus, even portraits or focusing on near objects where I have ...
Hardy's user avatar
  • 143
3 votes
1 answer
1k views

Pictures of surfers start in focus then go out of focus?

I was recently shooting some surfers after a session with my 7D and Tamron 18-270mm F/3.5-6.3 Di II VC PZD. I started shooting while he was in focus, then as he got to the main part of the maneuver ...
Cole Y's user avatar
  • 31
0 votes
2 answers
869 views

Do my photos look blurrier on a newer, higher-resolution camera body because my lens has a problem?

I have a Canon EF 100-400 1:4.5-5.6 L IS USM (the old version, not the II) zoom lens, which I often use for bird photography. I used to have a Canon 10D body, which I used in combination with this ...
CesarGon's user avatar
  • 103
11 votes
1 answer
1k views

How can you tell if a lens is having problems with back focusing?

I recently bought a Canon EF 24-70/2.8L to use with my 450D and I suspect that it is constantly back focusing. Is there any way of determining if it is something wrong with the lens or if it is a ...
Mathias's user avatar
  • 381
4 votes
1 answer
1k views

Do mirrorless cameras focus less or more accurately than SLRs under low light?

How do the following compare in terms of autofocus accuracy for night photography: Mirrorless cameras like the Sony NEX-5R, in hybrid autofocus mode. The NEX-5R, in contrast-only autofocus mode. A ...
Kartick Vaddadi's user avatar
3 votes
2 answers
1k views

Is contrast-based autofocus really better than phase-based, or is it just me?

I feel like I quite consistently get: Blurrier autofocus Lower exposure when shooting with my T5i's viewfinder than its LCD (i.e., in phase-based vs. contrast-based mode). But whenever I search ...
user541686's user avatar
-2 votes
3 answers
3k views

Canon 70-200mm F4 L USM IS Focus Issues Photo All Soft?

Focus Issues Bought myself a used Canon 70-200mm F4 L USM IS Lens but as yet I've not achieved a single Sharp image list of various settings tried attempts so far and still no joy very frustrating. I ...
user20230's user avatar
0 votes
2 answers
1k views

Does this test chart show that my kit lens front focused?

I just bought me a Nikon D7100 with 18-140 kit lens. When I used focus test chart page 18 to test my camera and lens I got one of following result at 35mm/f4.2. I used Nikon's ViewNX2 to open the raw ...
hardywang's user avatar
  • 273
4 votes
2 answers
534 views

How can I more consistently focus on the point I want?

I've had so many wonderfully composed images turn out lousy because my AF isn't as accurate as I'd like (or I don't know how to wield it). Despite using single-point AF, my focus point is often ...
BLAZORLOVER's user avatar
0 votes
3 answers
2k views

Canon 7d & 24-70 ii - can't get a crisp or well exposed shot [duplicate]

As the title says, I'm shooting a canon 7d (mi) with the newly acquired Canon L 24-70 ii. I can't tell if I've suddenly forgotten how to shoot, or if both Green and Av mode are messing with me. I've ...
Seth's user avatar
  • 669
0 votes
3 answers
654 views

Is not having AF-S in Nikon 50mm f/1.2 a big concern?

Nikon 50mm f/1.2 doesn't have AF-S, it's manual focus. Given that I will mainly using it for taking portrait where I presume to have enough time to focus properly on the subject, can there be any ...
sherlock's user avatar
  • 683
4 votes
2 answers
419 views

What's a Typical "In-Focus" Rate for Portraits with an 85mm?

I have a lot of experience doing travel, landscape, product, ... in short, things that don't move much. Models? Not so much. I have a beautiful 85mm portrait lens for my Canon 1Ds Mk III DSLR, and at ...
Steve Ross's user avatar
  • 5,299
1 vote
2 answers
839 views

Why are subject's eyes out of focus with EF 28-70mm F2.8 L?

I purchased an older 28-70mm F2.8 L Series lens. I'm trying to use it to take portraits on a Canon 5D Mark III. However, when I use autofocus at 70mm, the eyes are not in focus and the face seems ...
Mowrite's user avatar
  • 11
0 votes
1 answer
829 views

Does manual focus carry over to a different aperture, lens or focal length?

This is in the manual focus mode. If I focus my lens so that a certain object is clear and crisp, and then do one of the following, will I have to focus again? Change the aperture Switch to a ...
Kartick Vaddadi's user avatar
0 votes
2 answers
217 views

Calibrating a lens...is auto focus less reliable when zoomed?

So, I'm calibrating my lenses to a new camera body, a 5D Mark IV. When calibrating my 70-200 ƒ2.8 (version 1), I found that the focus was accurate at 70mm. However, when I calibrated it at the 200mm ...
Darrin's user avatar
  • 11
0 votes
0 answers
108 views

What are these bands called? [duplicate]

I wanted to know what this sort of distortion / artefact is called?
Riddhiman Dasgupta's user avatar