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11-25-2007, 12:18 AM
| #1 (permalink) |
| is a little tea pot.  Join Date: Jan 2004 Location: Carlsbad CA
Posts: 6,465
+75 Internets | Canon Digital Rebel help Anyone here own one that could tell me if it's possible to do MANUAL multi-point focus selection? I can only figure out how to manually select 1 focus point. It makes it taking pictures of 2-3 people difficult because the other faces are coming out slightly fuzzy.
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11-25-2007, 12:28 AM
| #2 (permalink) |
| An Excellent Driver  Join Date: May 2003 Location: Louisiana
Posts: 1,818
+1 Internets | I'm not sure how to do it on that camera, but I know that in general if you use one focus point aimed center-mass on the center person, and then move the crosshair to their face, it should auto adjust, regardless of the lighting. Hope someone can give better advice, since I'm a noob with real cameras, but also hope this helps if nobody else can. |
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11-25-2007, 01:43 AM
| #3 (permalink) |
| is a little tea pot. Join Date: Jan 2004 Location: Carlsbad CA
Posts: 6,465
+75 Internets | No no, I can focus on 1 person's face fine. But if I'm trying to take a picture of 2 or more people lined up, because of height and minor depth diff the other faces come out slightly fuzzy.
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11-25-2007, 02:12 AM
| #4 (permalink) |
| Registered User Join Date: Jan 2002
Posts: 1,920
| You probably have it stopped too low. Try for a higher f/stop and which will mean you need a longer shutter speed. That will make your depth of field larger. I don't know about the rebel, but i have the next camera up and you can assign multiple focus points. You switch through them with the wheel. You could also just use manual focus. Pretty sure if you want to manually assign aperture you are going to have to set it to aperture priority. You could also just use the landscape setting which will have aperture set to infinity if I'm not msitaken. Last edited by prescient63; 11-25-2007 at 02:23 AM.. |
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11-25-2007, 05:12 AM
| #5 (permalink) |
| is a little tea pot. Join Date: Jan 2004 Location: Carlsbad CA
Posts: 6,465
+75 Internets | hmm maybe i'll try landscape for people then. Generally i stick with time value mode and and auto focus with manual focus point selection. I got this 2 months ago and it's my first SLR. Last time I took photography was in high school. I try not to use the flash too much unless lighting calls for it. the shots in question I was at 1/60 shutter speed.
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11-25-2007, 06:42 AM
| #6 (permalink) |
| Registered User Join Date: Apr 2005
Posts: 1,629
| I don't know exactly how to do it on a rebel, but you should be able to either 1) switch to manual focus or 2) change from multi-point auto focus to central auto focus. Last edited by tjac; 11-25-2007 at 06:46 AM.. |
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11-25-2007, 07:08 AM
| #7 (permalink) |
| is a little tea pot. Join Date: Jan 2004 Location: Carlsbad CA
Posts: 6,465
+75 Internets | sorry might be using the wrong terminology and causing confusion. I'm using Auto focus and Manual Focus Point selection. If I use Auto Focus Point selection, it'll pick up multiple focus points. But in Manual focus point, I can only focus on one spot. For taking pictures of people, it's hard to get the focus points to only pick up faces and not the background with auto focus point selection. For candid shots I can't be pointing the camera at them and keep half-pressing, hoping it'll auto focus point on their faces. I want to know how to manually select multiple focus points. Right now I can only designate one focus point manually. I don't use Manual Focus that often. Would I have to use Manual Focus and Auto Focus Point Selection or what?
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11-25-2007, 07:29 AM
| #8 (permalink) |
| Registered User Join Date: Jan 2005 Location: Dallas
Posts: 6,678
| I could be wrong but I don't think it's possible to focus on multiple things simultaneously - multiple focus points would just cause it to focus in the middle of the 3 distances, and then they'd all be blurry except the middle one. The f-stop advice seems sound, choose the middle person as your one focus point and lengthen your depth of field by using a longer f-stop and it should improve your result. |
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11-25-2007, 08:54 AM
| #9 (permalink) |
| Registered User  Join Date: Jul 2002 Location: Detroit
Posts: 5,221
| Yeah, learn to manipulate f-stop to get the desired depth of field. How would multiple focus points help if your f-stop and shutter speed remains the same? Unless your camera can designate 3 focus points and then adjust the f-stop to get the DOF right. (Probably not) Understanding Depth of Field in Photography
__________________ When I am working on a problem I never think about beauty. I only think about how to solve the problem. But when I have finished, if the solution is not beautiful, I know it is wrong. |
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11-25-2007, 10:34 AM
| #10 (permalink) | |
| Registered User Join Date: Jan 2002
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11-25-2007, 11:55 AM
| #12 (permalink) |
| Registered User Join Date: Jul 2002 Location: Detroit
Posts: 5,221
| That is pretty cool then Damn these new fangled electronic devices. They do everything for you these days. We had to manually set that shit up back in the day. :P DOF and f-stops vs Shtter speed is still a good thing to know.
__________________ When I am working on a problem I never think about beauty. I only think about how to solve the problem. But when I have finished, if the solution is not beautiful, I know it is wrong. |
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