7DmkII half press for AF question (1 Viewer)

[postcardcv]

I have just got my hands on a secondhand 7DmkII and my initial impression is good, however one thing is troubling me and I am trying to work out if it is just the way it is or something odd on this camera. On other cameras (when not using back button focusing) if I half depress the shutter button it will AF and meter and then when I fully depress the button it will fire. With the 7DmkII the button is extremely sensitive and it is basically impossible to get it to AF and not shoot. I have been trawling through the settings in case this is an issue (but did a full reset when I got the camera so i assume it isn't that). Is this how they are or is this just an oddity of the one I have bought?

 

[Farnboro John]

I have just got my hands on a secondhand 7DmkII and my initial impression is good, however one thing is troubling me and I am trying to work out if it is just the way it is or something odd on this camera. On other cameras (when not using back button focusing) if I half depress the shutter button it will AF and meter and then when I fully depress the button it will fire. With the 7DmkII the button is extremely sensitive and it is basically impossible to get it to AF and not shoot. I have been trawling through the settings in case this is an issue (but did a full reset when I got the camera so i assume it isn't that). Is this how they are or is this just an oddity of the one I have bought?

I've run two 7DIIs for some years and when I first started with them I would occasionally let one off by accident: but a half-press was perfectly achievable. Once I changed to back button focusing I never looked back so a half-press became a redundant manoeuvre.

John

 

[postcardcv]

I've run two 7DIIs for some years and when I first started with them I would occasionally let one off by accident: but a half-press was perfectly achievable. Once I changed to back button focusing I never looked back so a half-press became a redundant manoeuvre.

John

Thanks for the info. This confirmed for me that there was something not quite right with the one I had received so I decided to return it. They had another used one in the shop which I tried, this was much more as I expected so I have swapped to that one. Now to get out and try it properly.

 

[sillyak]

I always use back button AF, I don't know how people shoot with the half shutter button way. After reading your post I tried it with my 7DII and it is also very hard to go half way without tripping the shutter. No worries for me, but maybe it's a common defect?

 

[pbjosh]

Never had a problem with any Canon body with half press sensitivity. However, like others, I use back button focus exclusively on any camera I own

 

[Steve Gantlett]

I have just got my hands on a secondhand 7DmkII and my initial impression is good, however one thing is troubling me and I am trying to work out if it is just the way it is or something odd on this camera. On other cameras (when not using back button focusing) if I half depress the shutter button it will AF and meter and then when I fully depress the button it will fire. With the 7DmkII the button is extremely sensitive and it is basically impossible to get it to AF and not shoot. I have been trawling through the settings in case this is an issue (but did a full reset when I got the camera so i assume it isn't that). Is this how they are or is this just an oddity of the one I have bought?

I've got two 7Diis, don't use back button focus and never have the problem you describe. I think it may unfortunately be your particular camera...