Linked Questions

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
8 votes
3 answers
4k views

Does autofocus work better with f/2.8 lenses vs f/4 or slower?

I read following in a web site (http://realphototips.wordpress.com/tag/ai-servo/) Lenses with maximum apertures of f2.8 allow the camera to use all high precision sensors. In low light or other ...
Niranjan's user avatar
  • 447
3 votes
1 answer
2k views

Why do my photos appear grainy when taken at the widest aperture?

I have a Nikon d5000 and just purchased a Tokina 11-16 lens. I was taking picture of a dog 1-2 meters away during winter at mid day today. Using the aperture priority setting, I set the camera to ISO ...
khon's user avatar
  • 31
2 votes
1 answer
24k views

Why isn't my Canon 70D autofocus accurate in manual zone AF mode with a 50mm f/1.8 lens?

I recently purchased a Canon 70D for its dual pixel autofocusing system and ISO performance. I am in love with this feature rich-camera; however I found the camera's autofocus fails to function ...
Srikanth Haritsya's user avatar
2 votes
2 answers
12k 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
3 votes
5 answers
2k views

How do I find the right motion blur/depth of field trade off in sports photography?

I could be wrong but when doing sports photography I'm always thinking about the following trade off: A fast shutter speed to freeze the action. A small(er) aperture to increase DOF and thus ...
Rene's user avatar
  • 1,233
1 vote
4 answers
1k views

What is a better marriage for my Canon 70-300 L lens: A 7D or 5d Mark iii?

I currently am using a Rebel T3 with my 70-300 L lens. I have been shooting for about 2 years now and find myself mostly shooting outdoors sports. I believe I have come to the point were I have out ...
user22056's user avatar
4 votes
2 answers
529 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
3 votes
2 answers
549 views

Does the number of phase detect auto-focus points affect focus accuracy in mirrorless cameras?

Does the number of phase detect auto-focus points affect focus accuracy of a mirrorless camera? And if so, how and why? I am considering buying either a Nikon Z6 II or a Z7 II. They have 273 and 493 ...
Marquez's user avatar
  • 143
0 votes
1 answer
1k views

Nikon D300s, Tamron 70-200 2.8 lens, Suggestions for low light settings for Gymnastics and HS soccer,

I have a Nikon D300S and have been taking pictures of my son's soccer team since they were 10. Well, this past fall I was really having a hard time with capturing decent pictures, was using a 70-300 4....
SNW's user avatar
  • 11
-1 votes
2 answers
297 views

Will more autofocus points improve hit rate for focus on the target I want?

I got a Canon 70D a couple weeks ago from Amazon. As explained here and many other places around the internet, its autofocus system doesn't work as one might think it does. The focus "point" actually ...
MrMerrick's user avatar
  • 111
0 votes
2 answers
801 views

Sigma 70-200mm f2.8 APO DG HSM Image Quality Issue

I have a question regarding the quality of my Sigma 70-200mm f2.8 (non-Sport) lens. I bought this lens back in 2011, and even though people say again and again a 70-200mm is a must-have, this is my ...
lmoya2015's user avatar
1 vote
1 answer
820 views

Using one focus point in autofocus mode - interval timer shooting - NIkon d7000

I was working on some selfportraits using interval timer shooting and I found that the camera focuses one of 3-4 shots on the subject. Obviously, it recognizes the face but most of the times, it has ...
user173570's user avatar
4 votes
1 answer
325 views

Zoom or Prime Lens(es) for Wildlife Photography on Limited Budget (Nikon D500)

I am currently looking into purchasing some new lenses to accompany my shiny new Nikon D500 on a safari trip in a month. In the past, I have used a Sigma 150-500mm (purchased in 2009 - see here) with ...
Ben Carey's user avatar
  • 305
1 vote
1 answer
774 views

Canon 7DM2 w Sigma 150-600 Sport - Lens micro-adjustment

Along with the Canon / Sigma combination, I also have the Sigma USB dock that, among a few other things, allows you to write micro-adjustment information directly to the lens. For the 150-600, there ...
John's user avatar
  • 47

15 30 50 per page