Westminster fountain at sunset

by Jorge Córdoba

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1
vote
0answers
69 views

What would cause an AF confirmation light to go on and off as I approach correct focus?

I'm using two cameras: Canon EOS 400D (Digital Rebel XTi) and Canon EOS 450D (EOS Rebel XSi). 450D was more heavily used than 400D. Not so long ago I noticed that 450D's autofocus system works not ...
1
vote
1answer
68 views

How can I confirm focus with a Nikkor 70-300 lens on a D3000?

Good day! I would like to have some suggestion from experienced photographers about following matter: I have a Nikon D3000 Camera. I bought a Nikkor Lens 70-300mm having not motor inside and unable ...
3
votes
3answers
216 views

Do focus area modes matter if shooting in manual focus?

It seems my camera lets me change the focus area modes (e.g wide, center or spot) even when I am shooting in manual focus so I am trying to understand if area modes matter even if the camera is in ...
-1
votes
1answer
156 views

Can I filter by autofocus in Lightroom?

Does Lightroom let me filter photos by whether they were manually focused? Or is this information not even stored in the ARW metadata? (I'm assuming they were not lost during DNG conversion in ...
2
votes
1answer
151 views

A recently acquired lens will focus automatically, but won't manually, why?

I have recently acquired a Sigma 70-200mm f/2.8 (Canon mount, relatively old), and it focuses perfectly in auto mode, but in manual mode the focus ring simply won't budge at all. What could be causing ...
3
votes
1answer
2k views

What happens to a lens when you turn the focus ring during AF mode?

What happens to a lens when you turn the focus ring during AF mode? I have read that this causes damage, or can cause damage. But what is actually happening? I've done this recently with my Canon EF ...
2
votes
2answers
3k views

Do I use the camera or lens switch to change between auto and manual focus?

I own Nikon D7000 with 18-105mm lens. I am bit confused how the auto focus and manual focus switching works, particularly with my gear. The confusing part is both the camera and lens have an A-M ...
3
votes
2answers
2k views

Is it safe to manually-focus the Nikon 18-105 while in autofocus mode?

There are only A and M settings, no A/M. but I just noticed that Nikon website has mentioned three focus modes for this lens: Auto, Manual and Manual/Auto I'm confused if this is only a typo or is it ...
0
votes
2answers
195 views

How to set AF in night [duplicate]

Possible Duplicate: How does one focus for landscape photos in very dark conditions? Recently I went on a night forest safari trip with my Canon 1100D. I had put the camera in manual mode ...
8
votes
4answers
5k views

What is the best auto-focus mode to use for bird photography?

Consider the image below: How would the shot be focused here? Using Auto-focus or manual? If there was a cluttered background, will auto focus detect the small bird and sharply focus on it?If manual ...
3
votes
1answer
391 views

I almost cannot switch to manual focus on my Canon 17-40 f/4 L lens

Usually troubles with autofocus are related to a non working AF. I've got the opposite issue: AF is working too well. Actually, it is ALWAYS working, and I cannot turn it of. Even when I switch to ...
3
votes
1answer
365 views

How can a teleconverter allow manual focus lenses to autofocus?

I've found that some discontinued teleconverters, such as the Pentax F 1.7x AF Adapter and Nikon TC16A, enable autofocus with manual focus lenses. How is this possible? Does this system have any ...
1
vote
4answers
463 views

Autofocus performance of different brands at night

Are there huge differences in the ability to focus in low light between different brands and models? I have a Pentax Kx with a Sigma 30mm 1.4. My problem is, that the camera's autofocus does not work ...
1
vote
2answers
892 views

'Bokeh' effect with autofocus switched off in manual mode (Nikon-D90)

I want to understand how focusing works in Manual mode in my D90. I switched off the autofocus buttons in the Kit lens and the camera body. I have changed to the manual mode. Now, when I try to ...
2
votes
2answers
347 views

How can I find which lenses have “Continuous manual focus”?

Canon lenses with USM auto focus can be called "continuous manual focus" (at least some). By this I mean that you can override the AF without switching it off. I've found this very handy, and I often ...
17
votes
3answers
1k views

How can I get better focus when a subject is moving towards or away from the camera?

When shooting events or action photos, engaging people, I often find that frontal (or rear) perspective may be very expressive, but my problem is focusing when the subject moves towards the camera (or ...
17
votes
5answers
2k views

When would one need manual focus override?

In lens reviews, ability to override auto-focus manually is often referred to as a good (and important) feature. I have rarely, if ever used that feature, so I feel I might be missing out on an ...
8
votes
4answers
745 views

Which is better - autofocus and recompose vs. manual focus?

In some occasions autofocus doesn't focus what I intend it to. What is the better option - to use autofocus, focus what I want and recompose, or use manual focus in that situation?
13
votes
7answers
1k views

How can I improve focus using both manual and auto on a candle flame?

I got my new tripod and 50mm F/1.4 sigma on my Nikon D7000 and was testing it out doing some shots of a flame on a candle. The below image is the sharpest i was able to produce. In review of my 50+ ...
9
votes
2answers
769 views

What is manual-priority autofocus?

I have been looking at the Nikon AF-S 35mm f1.8 lens and it has two focus settings: Manual Focus Manual-Priority Autofocus What is "manual-priority autofocus"?
7
votes
5answers
500 views

Precise focus in self-portraiture

I've been trying to take some self-portraits, but I often have to struggle with the auto/manual focus. I don't miss by a lot, but I really want sharp focus in the eyes. I'm using a 50mm/1.8 around ...
7
votes
3answers
2k views

How should I chose a manual focusing screen for my Pentax K10D?

I am considering buying a split focusing screen, replacing the original one. I would like to use some split/microprism screen to ease the focusing of the manual lenses. I own both kit lenses (18-55, ...
0
votes
0answers
345 views

Need help focusing at night with DSLR [duplicate]

Possible Duplicate: How to focus in complete darkness I have a Canon 20D, when I shoot outdoors at night I have a very hard time getting images in focus. I primarily shoot landscapes, so ...
11
votes
6answers
7k views

How can I get everything in focus?

I have a Canon 550D with 70-200 f4 and 50mm prime lenses. Although the camera has built-in 9 focal points, I sometimes face a strange problem. Here's a sample photo: In reference to the above pic, ...
19
votes
2answers
1k views

Why am I allowed to turn my focusing ring beyond infinity?

Is there a good reason why I can turn the focusing ring on my lenses beyond infinity mark on focusing scale? Following recent questions here and here, it sounds like a real usability issue. ...