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30 questions linked to/from Pictures of surfers start in focus then go out of focus?
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48 votes
7 answers
9k views

How did photography work before auto-focus was invented?

Having just spent some time reading questions about auto-focus, I came up with a question of my own: How did cameras even work before auto-focus technology was invented? Presumably everybody used ...
MathematicalOrchid
  • 2,797
57 votes
5 answers
24k views

What methods can be used to micro-adjust autofocus of a camera body to a particular lens?

I have a Canon 7D with a 50mm f/1.4 lens, and I think the auto-focus of the lens is off. How can I test and adjust this reliably? Will this approach work with all of my lenses? If I had a different ...
EtienneT
  • 2,013
12 votes
4 answers
3k views

What settings for Dirt track night time pictures

So I just started taking pictures at a dirt track and having problems with getting them crystal clear at night races. I'm using a Nikon D-90 with a tamron 70-300 lens. I have my ISO on 2500 and ...
Rebecca L Perry
  • 121
10 votes
2 answers
7k 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
  • 412
4 votes
4 answers
7k views

Why am I getting blurry images with a Sigma 35mm Art and Canon EOS 77D?

I recently got the Canon EOS 77D and the Sigma 35mm Art 1.4 I notice in my pictures stuff where i'm a little distance away I comes out blurry. My setting on here were ISO 800 f/1.4 1/160sec I do know ...
LynnRemson
  • 63
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
  • 1,776
1 vote
5 answers
8k 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
  • 125
0 votes
3 answers
4k views

Why doesn't focus confirmation appear in AI-servo mode?

Camera: Canon 700D Lens: EF-S 55-250mm STM So far I have been shooting still subjects. But recently I wanted to photograph moving people (skaters). I changed the AF mode to AI-Servo (as skaters are ...
kazanaki
  • 752
4 votes
4 answers
3k views

Will the Canon 5D MK II with 100-400 1:4.5-5.6 work properly with Kenko 1.4 converter?

I'm using 5D MKII body and 100-400 f/4.5-5.6 lens. I want to use a 1.4 converter; will the Kenko converter work and autofocus properly?
Ruud
  • 41
8 votes
1 answer
4k views

Which offers better results: FoCal or LensAlign Pro?

I am in need of microadjusting my autofocus for a couple of my lenses with my Canon 7D. Namely, I need to adjust the 100-400 L lens, which seems to consistently AF a bit softer than I've seen from ...
jrista
  • 70.5k
0 votes
2 answers
2k views

Why do my studio shoots usually end up fuzzy? [closed]

I have been into photography for about a year now. I am very grateful I can use a studio of the local photographer here. Together we have build a cyclorama wall and the photo shoots are going pretty ...
Serhansolo
  • 13
2 votes
3 answers
2k views

Why is my Canon 70D's liveview autofocus much worse than the viewfinder's?

First of all I came across these questions already: My viewfinder won't autofocus but live view focuses well Canon 600D Autofocus not working when using view finder but working in live-view Why is my ...
confetti
  • 881
0 votes
4 answers
3k views

Sigma 18-35mm f1.8 compatibility with Canon 800D(t7i)

I have bought a new Canon 800d/T7i(APSC) DSLR Camera body. I haven't opted for the Kit Lens. Now I am planning to buy Sigma 18-35mm F1.8 lens for my daily photography. But I have gone through some ...
sudhakar teki
  • 11
0 votes
1 answer
4k views

Focus issues in a Nikon 24-70 f/2.8 lens

I have a Nikon 24-70mm f/2.8 (without VR) and the pictures taken with it are not sharp and crisp as I think they should be. I use it with a Nikon D7200 that works perfectly with a Nikon 70-200mm f/2.8 ...
Sardinha
  • 13
1 vote
2 answers
1k views

Help! Auto-focus not working on Manual Mode but working perfectly fine on Auto Mode

I just bought and received a brand new Canon EF 24-70mm II USM lens. Already there is an issue. The autofocus works perfectly fine in Auto shooting Mode but will NOT work in Manual shooting Mode. This ...
allisonmashburn
  • 11

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