All Questions
66 questions
2
votes
3
answers
1k
views
What factors determine the size of focus step done with remote shooting?
When a DSLR camera is used for remote shooting, corresponding software usually provides very simple way to change focus position: small, medium and large steps forward or backward. This is how it ...
- 123
-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 ...
5
votes
2
answers
10k
views
What is the effect of the number of cross-type focus points on sharp focus?
Canon claims that EOS 6D has special capability to focus in low light, but it has only one cross-type sensor and overall only 11 focus points. Does only one cross-type focus point in the Canon EOS 6D ...
- 51
8
votes
1
answer
2k
views
What do orange AF points mean on a Canon DSLR?
I recently bought a Canon 7D and Ive noticed that occasionally the AF points are orange. What conditions cause this? It seems like it is a warning of some sort.
Usually when the camera focuses on a ...
- 1,888
3
votes
2
answers
775
views
Canon 50mm f/1.2 focus shift not seen yet
I know that this lens is known to exhibits focus shift if the object is less than 4 feet away within the range f/2-f/4.
However, I've done quite a lot of close-up photography (mostly flowers), ...
- 1,857
4
votes
1
answer
1k
views
Why does my Canon 1000D focus only on the bottom part of an image?
I had it checked in case it needed repair, but they said they could not find a problem with it.
I really need help on this one.
[the process]
I turn the camera on, select M mode, select the top ...
- 141
1
vote
2
answers
938
views
Is there a way to use phase detection AF with live view on a Canon EOS camera?
On any of the EOS xx(x)D model that has the live view function, can the camera make focus using the AF collimators (instead of using contrast detection), as it's possible on the old Nikon D300 ?
If ...
- 902
6
votes
5
answers
6k
views
What's the difference between holding a half-pressed shutter button and pressing the AE lock?
As I have been looking around today the AE lock button is supposed to lock in the focus and exposure settings (aperture and shutter) so that the picture can be recomposed before taken. I also believe ...
- 4,378
10
votes
3
answers
1k
views
Why is the Canon MP-E 65mm F/2.8 Macro Lens not called a zoom?
The Canon MP-E 65mm works differently than my other macro lenses. Compare:
With a standard 35mm macro, I can frame first and then adjust focus which only changes framing very slightly with.
With the ...
- 103k
0
votes
2
answers
4k
views
Auto-focusing problem on a Canon 500D with a EF-S 18-55mm 1:3.5-5.6 IS(standard kit lens)
I'm having problems with the lens. I've tried auto-focusing with my other lenses, and it works fine. It can only auto-focus one way, i.e. the focusing ring is still able to move, but only able to turn ...
- 1
10
votes
3
answers
9k
views
How do I determine focus points in Adobe Lightroom?
Not sure if this is possible or not in Adobe Lightroom. I would like to see the focus points chosen by my Canon DSLR. I am guessing this is stored somewhere in the EXIF, but I'm not certain. I find ...
- 46.6k
3
votes
1
answer
719
views
Why is my Canon Powershot A1100 focusing only on the bottom part of scenes?
I've been using a Canon PowerShot A1100 IS camera for the past year and it had been working just fine until I decided to change its settings. After I had serious trouble with it, I reset the settings ...
- 31
4
votes
4
answers
3k
views
Are there cheap or DIY focus assist solutions for the Canon 5D?
I want a better autofocus system for low light. Low light auto focus is my biggest bane.
I use a 5D so the options are AF on a flash like the 430 or 580. I happen to use the Pocket Wizard TT1 so I ...
- 43
4
votes
2
answers
2k
views
What is the meaning of having 9 focus points and how to see where they are?
Canon PowerShot SX210 IS is said to have 9 focus points. I haven't seen any setting which shows all those points on the screen or anywhere.
How and what are those remaining 8 focus points used for?
...
- 5,622
11
votes
1
answer
48k
views
What is the difference between AI Focus and AI Servo autofocus modes?
Recently I bought a Canon 60D and I am uncertain about when and how to use/activate the AI Focus and AI Servo functions.
I understand the One Shot autofocus function for still subjects. You press ...
- 171
10
votes
7
answers
601
views
Focusing an entry-level DSLR
I like really really sharp photos.
Even with a prime lens, I seem to be able to do noticeably better with my 450D by manually focusing using live view at maximum zoom than by using auto focus (even ...
- 223
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