Questions tagged [focus-point-selection]

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31
votes
9answers
5k views

Why would I want to select an autofocus point?

I'm trying to understand why I would ever want to select an auto focus point other then the center point. I have a Canon XTI Rebel DSLR which has 9 auto-focus points, but I'm also looking into getting ...
2
votes
1answer
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 ...
2
votes
2answers
458 views

How can I effectively use the focus points (of Canon DSLR), to get accurate focus on a small subject?

I'm shooting birds with my Canon 1200D and 55-250mm lens. I know this is not ideal lens and focal length for bird photography. But I am new to this field and before investing on expensive equipment, ...
0
votes
3answers
1k 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 ...
17
votes
3answers
6k views

How are the red focus point indicators displayed on a DSLR's focusing screen?

The question Why do the focus points leds in my viewfinder appear shadowed? raises another question for me. How are these indicator lights implemented in typical DSLRs? Are they actually small LEDs ...
4
votes
4answers
4k views

What are the pros and cons of using macro rail vs lens focus?

I am interested in doing focus stacking for macro shots and from what I understand there are two techniques for doing this. One is to use a macro rail that adjusts the length to the subject (e.g ...
12
votes
4answers
2k views

How do you use the different autofocus points on your DSLR?

My Nikon D300 has quite a few autofocus points. There's a button I can operate with my thumb to change the autofocus point but I find that quite difficult to use. So I almost exclusively use the ...
5
votes
3answers
2k views

Focus point causing unsharp images?

It seems that some pictures I’m taking just aren’t tack sharp, I’ve been shooting in Aperture Priority and I’ve made sure to avoid camera shake and such. Based off the picture below what would be a ...
3
votes
1answer
436 views

How to get tack sharp portraits with shallow DOF when lacking an AF point where I want to focus?

What is the best way to get tack sharp portraits with shallow depth of field when lacking an auto focus point where I want to focus. I don't want to crop and "focus and recompose" is not an option ...
12
votes
4answers
15k views

Can more than one focus point be selected?

Nowadays days, almost every DSLR camera comes with many focal points — 9, 11, 22 etc. Many of them provide us with settings to manually chose a focus point while shooting images, apart from the auto-...
3
votes
4answers
601 views

Is recomposing ideal rather than changing focus point?

As a beginner in photography I’ve stumbled across several videos stating that the center point is the sharpest and most accurate point as apposed to the others. I’ve seen many photographers take ...
4
votes
1answer
529 views

What autofocus zone selection mode should I use for action/event shooting?

I have a Canon 7D, and typically shoot everything I do in its single-point autofocus zone select mode, because I usually want fine control over exactly what the camera is focusing on and I often find ...
0
votes
2answers
250 views

I don't need anything to be blurred. I need everything to be focused [duplicate]

The scene is at the distance of say 10 feet. I own Nikon d7200 and a lens of 18-140 mm. There are three cats here and there (not together), but many of my images focused on one/two cats and not all ...
4
votes
3answers
235 views

Does an offset split-focus screen exist?

I shoot a Nikon F3 SLR with a split-focus screen, and I do a lot of portraits with very shallow depth of fields (e.g. 50mm f2.8 at 0.5m). When I shoot a portrait I focus on the eye first, then ...
1
vote
2answers
885 views

Why is the focus selection button not working on this Canon 5D Mk II?

On my Canon 5D Mark II camera, if I press the focus selection button the focus points show on the top display and you can set the new focus point using the top wheel. On my friend's 5D Mk II, if I ...
1
vote
3answers
220 views

How to focus on more objects at the same time while maintaining shallow DOF?

How can I focus on more objects, say three dogs sitting in front of you, while maintaining a nice background blur/shallow DOF? I have a kit lens ranging from 18-55mm with a variable aperture of f/3.5-...
0
votes
3answers
151 views

How can I take a picture of a family and have everyone be in sharp focus?

The other day I was trying to take a picture of all my family spread out. When I put the image onto the big screen, the people in the middle were in focus and those around the edge weren't in focus. ...