Can you manually focus this AF lens?
1068348
Yes. But you SHOULD deactivate the autofocus system on your camera body first (usually a lever just below the lens lock release) this will retract the slot driver that spins to focus the lens. If you want (NOT RECOMENDED) you could just over power the motor and spin the focus ring. I've done this at high stress moments and when the camera isn't cooperating. It's probably very bad for the lens' focus gears and the motor driver in the camera body though.
833870
Hello, there is an Auto Focus on this lens. Click the switch by AF - M to use Auto Focus (AF) however when shooting Macro, it's usually better and easier to manually focus. I hope this helped.
46372
Try putting your camera in manual mode. AF doesn't work with this adapter, so use it as a manual focus.
1855394
Yes, but you'll have to focus manually. Of course, you may wish to with this lens. If you want autofocus with the D3100, look at AF-S lenses.
1591738
yes, and you can set it to auto spot focus or continuous focus or set it to manual focus
2212347
Here is a REALLY obvious one. You can switch between manual and autofocus on this lense by pushing and pulling the autofocus ring in or out. It reads AF (autofocus) when pulled out, MF when pulled back in. This is distinct to Tokina, so not intuitive if you're used to other lenses. This lens autofocuses extremely well on my D7000 - it's my sharpest lens.
1949878
It will work , but not AF and you should focusses manually and adjust f manually also.
833866
If I understand your question correctly all you need to do is set the switch on the lens to AF.
443839
This lens is totally manual. You have to set the aperture and shutter speed manually. In fact, you have to turn off the auto focus and any other auto/electronic feature off in your camera
170018
I think that motor is built in as most of the other lenses. It's rare to see an AF lense without motor. By the way the camera does it all. From autofocus to image stabilize. You're still be able to focus object manually.
629972
Yes but you must use manual setting on your camera and you must manually focus
1690525
No. This lens is a fixed focal length and you can only adjust the aperture and focus.
1070793
This lens is manual focus and manual aperture. So it won't AF or automatically adjust the aperture. It works in full manual mode very nicely but that may not be what you want to do.
1087493
Yes. This will auto focus even on cameras that don't have an internal AF motor built in.
1540448
Yup, though its fully manual, so no automatic focus, but if you can, put it on F8 and a hair before the 'infinity' zoom and things will come out nicely.http://jixrphoto.files.wordpress.com/2013/11/img_2602-21.jpg?w=610here is a shot i did with it, you can get some cool fun use out of it.
2006130
Yes you can manual focus. No manual focus switch on the lens but just select manual focus from the menu. This can be assigned to a Custom Key or the Function button (which displays a quick menu which is user configurable). The 24-70 performs well on the A7s.
238801
Yes, if you buy the Nikon mount version. It is a manual focus lens, so autofocus will not work. Auto aperture should be OK.