Auto ISO not functioning with FD and EOS adapters at DVinfo.net

Jeff Harper · May 16th, 2011, 09:24 AM

Anyone know why this is? Or how to work around it? I can't imagine why auto ISO wouldn't function. At this point it would seem for wedding work the best thing to do is to set a high ISO, then run the camera in Aperture priority, causing the camera to slow down the shutter speed as needed. This would allow a completely auto setting for the camera, but with the disadvantage of having an uncecessarily ISO, but at least you could run continously without having to shut down and change the ISO every time lighting conditions change.

Zhong Cheung · May 17th, 2011, 04:08 AM

Do you physically have to turn off the camera to change ISO, or do you simply have to stop recording (but not turn off the camera)?

Jeff Harper · May 17th, 2011, 07:54 AM

I have to stop recording to change ISO, that is normal. But I do not wish to stop recording during a live event.

Problem is that Auto ISO is disabled when using an FD or EF adapter, that is the only issue at this point.

Steve Montoto · May 22nd, 2011, 10:15 PM

Jeff,
Did you get your auto Iso issue resolved? I tried the auto iso for a bit to test it and it seemed to change alot and I would be a little nervous to use it for a paying event. How is it working out for you? Do you notice the changing iso during recording much?

Thnks

Evan Lloyd · May 22nd, 2011, 10:20 PM

I use an variable ND filter. Then I pump up the ISO and adjust it as needed with the ND filter. It's a work around, but it works.

Jeff Harper · May 23rd, 2011, 04:33 AM

Steve I used it on two out of four cameras a couple days ago, worked great. During the priest's homily it was changing noticeably as the priest moved, so I stopped recording and set the ISO to a fixed value, but otherwise I never noticed the ISO changing at all during about 6 hours of filming.

William H has also mentioned using auto ISO with good results.

May 16th, 2011, 09:24 AM	#1
Jeff Harper Inner Circle Join Date: Jun 2005 Location: Cincinnati, OH Posts: 8,425	Auto ISO not functioning with FD and EOS adapters Anyone know why this is? Or how to work around it? I can't imagine why auto ISO wouldn't function. At this point it would seem for wedding work the best thing to do is to set a high ISO, then run the camera in Aperture priority, causing the camera to slow down the shutter speed as needed. This would allow a completely auto setting for the camera, but with the disadvantage of having an uncecessarily ISO, but at least you could run continously without having to shut down and change the ISO every time lighting conditions change. __________________ "The horror of what I saw on the timeline cannot be described." Last edited by Jeff Harper; May 16th, 2011 at 10:28 AM.

May 17th, 2011, 04:08 AM	#2
Zhong Cheung Major Player Join Date: Feb 2011 Location: North Hollywood, CA Posts: 202	Re: Auto ISO not functioning with FD and EOS adapters Do you physically have to turn off the camera to change ISO, or do you simply have to stop recording (but not turn off the camera)?

May 17th, 2011, 07:54 AM	#3
Jeff Harper Inner Circle Join Date: Jun 2005 Location: Cincinnati, OH Posts: 8,425	Re: Auto ISO not functioning with FD and EOS adapters I have to stop recording to change ISO, that is normal. But I do not wish to stop recording during a live event. Problem is that Auto ISO is disabled when using an FD or EF adapter, that is the only issue at this point. __________________ "The horror of what I saw on the timeline cannot be described."

May 22nd, 2011, 10:15 PM	#4
Steve Montoto Major Player Join Date: Jun 2003 Location: USA Posts: 302	Re: Auto ISO not functioning with FD and EOS adapters Jeff, Did you get your auto Iso issue resolved? I tried the auto iso for a bit to test it and it seemed to change alot and I would be a little nervous to use it for a paying event. How is it working out for you? Do you notice the changing iso during recording much? Thnks

May 22nd, 2011, 10:20 PM	#5
Evan Lloyd Regular Crew Join Date: May 2008 Location: Fresno Posts: 111	Re: Auto ISO not functioning with FD and EOS adapters I use an variable ND filter. Then I pump up the ISO and adjust it as needed with the ND filter. It's a work around, but it works.

May 23rd, 2011, 04:33 AM	#6
Jeff Harper Inner Circle Join Date: Jun 2005 Location: Cincinnati, OH Posts: 8,425	Re: Auto ISO not functioning with FD and EOS adapters Steve I used it on two out of four cameras a couple days ago, worked great. During the priest's homily it was changing noticeably as the priest moved, so I stopped recording and set the ISO to a fixed value, but otherwise I never noticed the ISO changing at all during about 6 hours of filming. William H has also mentioned using auto ISO with good results. __________________ "The horror of what I saw on the timeline cannot be described."