Questions & Answers for: Sigma macro button Computers & Internet

macro hi i got eos 450d canon camera i bought 2hand lens sigma70-300dl trying to take photo on f 22 or lower shatter speed its dont allow me and giving me error 01( asking for clean the lens contacts)

...MACRO for Nikon AFD Focusing problem This little used lens which is one and a half years old seems to have developed a mechanical focusing problem. It focuses perfectly in auto or manual to 40ft ...

...macro switch which has 2 screws holding it on to the lens it will not work.If it a super 70-300 you can put the camer on AV set iris to F22 if you have a stopdown button see if the lens stops down it ...

...macro lens. I have only started to reuse my cannon eos 300 again.The problem is that when in AF the motor and lens move slightly some times in and out while other times when i press the button fully ...

I have a sigma 28-300D lens that suddenly will not work on the autofocus when attached to the Sony a700 and a100. The Autofocus seems to be frozen. The shutter button won't work. On manual, the ...

How do you use the manual focus feature. My friend just bought a new one and is having trouble with this part of the lens. I have one for my canon and there is a setting for it Set either the camera ...

...Macro Autofocus Lens compatable with the Canon D60 body? Hi It might work the way to test is to fit it 2 the D60 set the camera to av and a iris of F16/22 use the stopdown button if the lens stops ...

...MACRO button doesn't move. is there something I have to do in order to switch it? You need to zoom past 200mm and then switch it to the macro setting. You will see a mark on the focus ring that ...