problem focusing with 1D Mark IIN

beichh4046 · 20th of April 2007 (Fri)

I have a problem getting the face sharp with my 1D Mark IIn. I read a previous post that addressed moving the AF point up and shooting in El Servo. I did that. I am trying to focus in on my son who is on the right. But it ends up soft in the face. I have had many photos end up just like this. Could someone give me some tips?

disneydork06 · 20th of April 2007 (Fri)

shutter speed and lens? iso?

beichh4046 · 20th of April 2007 (Fri)

500 shutter (There just happened to be a break in the action). 2.8 Shutter. and 1600 ISO due to getting dark and no lights on yet.

beichh4046 · 20th of April 2007 (Fri)

I forgot to add Canon 70-200 for lens

S.Horton · 20th of April 2007 (Fri)

70-200 f/2.8 IS?

beichh4046 · 20th of April 2007 (Fri)

S.Horton · 20th of April 2007 (Fri)

In the photo posted, in CS2 here, I can't tell where the focus is sharp; I'm wondering where/what the AF did lock on to.

beichh4046 · 20th of April 2007 (Fri)

Me too. The best I can tell is maybe the shorts. Hard to tell because they are black. But the AF point is higher.

S.Horton · 21st of April 2007 (Sat)

I don't know; I'll be interested in the expert's take and learn from it.

fslshooter · 21st of April 2007 (Sat)

As slowly as your subjects appear to be moving, they might not make a difference but I'd suggest you use custom functions C.Fn 17-1 and C.Fn 20-1. C.Fn 17-1 expands the focus one pont in all directions and C.Fn 20-1 slows AI Servo tracking sensitivity so that other moving subjects won't throw it off. Then use single point focus and hold the focus point on your subject's face.

S.Horton · 21st of April 2007 (Sat)

Can light rain cause AF problems?

fslshooter · 21st of April 2007 (Sat)

Quote:

Originally Posted by hortonsl62

Can light rain cause AF problems?

It could but low light conditions that usually accompany light rain probably cause more problems for AF sensors.

20th of April 2007 (Fri)	#2
disneydork06 Cream of the Crop Join Date: Aug 2006 Location: Phoenix, Arizona Posts: 6,980 IMAGE EDITING OK	Re: problem focusing with 1D Mark IIN shutter speed and lens? iso? __________________ Ryan ~AZ POTN Planned Activities let me know how I can improve, cause we all know I need it : Flickr myspace facebook The Greatest online forum known on Earth twitter 500xp follow me! in something^ you know you want to

20th of April 2007 (Fri)	#3
beichh4046 Member Join Date: Apr 2007 Location: Savannah, GA Posts: 157 IMAGE EDITING OK	Re: problem focusing with 1D Mark IIN 500 shutter (There just happened to be a break in the action). 2.8 Shutter. and 1600 ISO due to getting dark and no lights on yet.

20th of April 2007 (Fri)	#4
beichh4046 Member Join Date: Apr 2007 Location: Savannah, GA Posts: 157 IMAGE EDITING OK	Re: problem focusing with 1D Mark IIN I forgot to add Canon 70-200 for lens

20th of April 2007 (Fri)	#5
S.Horton dǝǝɥs ɐ ʎq pǝʞuɐds Join Date: Dec 2006 Location: Lehigh Valley, PA Posts: 17,347 IMAGE EDITING OK	Re: problem focusing with 1D Mark IIN 70-200 f/2.8 IS? __________________ *Sam* http://midnightblue.smugmug.com Want your title changed? Dream On!

20th of April 2007 (Fri)	#6
beichh4046 Member Join Date: Apr 2007 Location: Savannah, GA Posts: 157 IMAGE EDITING OK	Re: problem focusing with 1D Mark IIN yes

21st of April 2007 (Sat)	#9
S.Horton dǝǝɥs ɐ ʎq pǝʞuɐds Join Date: Dec 2006 Location: Lehigh Valley, PA Posts: 17,347 IMAGE EDITING OK	Re: problem focusing with 1D Mark IIN I don't know; I'll be interested in the expert's take and learn from it. __________________ *Sam* http://midnightblue.smugmug.com Want your title changed? Dream On!

21st of April 2007 (Sat)	#10
fslshooter Senior Member Join Date: Nov 2004 Location: DeLand, Florida Posts: 1,469	Re: problem focusing with 1D Mark IIN As slowly as your subjects appear to be moving, they might not make a difference but I'd suggest you use custom functions C.Fn 17-1 and C.Fn 20-1. C.Fn 17-1 expands the focus one pont in all directions and C.Fn 20-1 slows AI Servo tracking sensitivity so that other moving subjects won't throw it off. Then use single point focus and hold the focus point on your subject's face. __________________ Jerry ~ Baseball is a game where only defensive players handle the ball and offensive players who hit successfully in only one third of their at bats are among the best in the sport. Baseball Shooting Tips \|++\| www.jerryhalephotography.com

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