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Buying a camera lens

Can I use a manual focus lens in the automatic mode on a SLR camera?

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  • kakima May 11, 2010

    A manual focus lens will not autofocus on any camera.

    If you're asking about auto-exposure, the answer is "it depends." Would you care to provide a little more detail about the lens, such as the manufacturer (and the mount, if it's a third-party lens)?

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Presumably you intend to use a DSLR. The automatic nature of modes relates to exposure. Lenses autofocus assuming you have turned the autofocus switch on. Switch the autofocus off if you want to manually focus. Whichever you use will not affect the modes

Posted on Mar 19, 2010

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1 Answer

No shutter action


Set the lens f/stop to the largest number such as f/22 (smallest diameter). Many cameras with automatic exposure must have the f/stop set to the largest number on the lens, or turn off auto focus do manual focus.

Sep 13, 2015 | Nikon N60 35mm SLR Camera

3 Answers

Need to set to fully automatic setting


The manual for your Canon EOS Rebel 2000 can be found here:

http://downloads.canon.com/cpr/software/camera/EOS_Rebel_2000_manual.pdf

Check out page 24 for instructions on shooting in fully automatic mode.

Hope that helps,
Bax

Oct 08, 2013 | Canon EOS Rebel 2000 35mm SLR Camera

2 Answers

28 80 autofocus


Turn the mode dial to the green rectangle for automatic exposure. Set the autofocus switch on the lens to AF for automatic focus.

Oct 07, 2013 | Canon EOS Rebel 2000 35mm SLR Camera

1 Answer

My Nikon Nikkor 18-135mm f/3.5-5.6G ED-IF AF-S for Digital SLR lens does not seem to auto focus well. Sometimes the lens will focus and unfocus and refocus constinely. Is this normal??


You did not say which camera body you are using, but you probably have three different auto-focus modes on you camera. You might be using the wrong one.

The modes are as follows:
AF-A Mode: Camera automatically selects single-servo autofocus when AF-A subject is stationary, continuous-servo autofocus when subject is moving. Shutter can only be released if camera is able to focus. AF-S Mode: For stationary subjects. Focus locks when shutter-release button AF-S is pressed halfway. Shutter can only be released when in-focus indicator is displayed.
AF-C Mode: For moving subjects. Camera focuses continuously while AF-C shutter-release button is pressed halfway. Photographs can be taken even when in-focus indicator is not displayed.

Dec 19, 2012 | Nikon Nikkor 18-135mm f/3.5-5.6G ED-IF...

1 Answer

Is it possible to manually control the focus on this camera? (Konica Minolta Maxxum 400si SLR 35mm Film Camera) I need to be able to manually control the focus, apeture, and shutter speed for a film...


The description of the manual focus is available in part 2 of the manual, page 40. The manual is available as a PDF here: http://ca.konicaminolta.com/support/manuals/film-cameras/film_af_slr/index.html#si_series . It is the seventh camera in the SI series in the list.

To manually focus the lens, press the focus-mode button on the front of the camera (bottom left when you are behind the camera) until M. focus appears in the data panel. If you have an AF lens, turn the focusing ring until the subject appears sharp. If you have an xi-Series or AF Power Zoom lens, pull and turn the lens control ring.

The focus indicator will light when the subject is in focus. To return to autofocus mode, press the focus-mode button again. The camera will also return to the autofocus mode if you press the program reset button.

I hope this helps.

Cindy Wells
(in manual focus, you can take a picture even if the subject in the focus frame is not in focus. Often it means you need to take multiple pictures to get a good shot of the subject. The advantage is that you can get some interesting shots.)

Feb 07, 2011 | Minolta Maxxum 400si 35mm SLR Camera

1 Answer

My camera turns on but it won't focus on automatic and when I press the button to take a picture it won't take one on manuel or automatic.


There may be a few things preventing the camera from taking a picture. I don't know the lens you are using but by chance does it have an auto/manual switch that has been switched to manual? Also make sure the lens is locked in position. The camera won't take a picture unless it has focus in the auto focus mode, this is normal. What are you trying to focus on? The camera auto focus system will search and fail to auto focus on surfaces that have little or nor contrast. For example glass, chrome, a blank wall, water, blue sky. Other conditions that auto focus fails is being to close to your subject, heavy fog, a dim lit subject, available light and night photography. Once the little green confirmation light comes on the camera has focus and will operate as it should.

Nov 27, 2010 | Canon EOS Rebel XS 35mm SLR Camera

2 Answers

I have been offered a SiGMA 400mm F/5.6 manual lens for a minolta mount. Will it fit my camera? Cheers Pete


Minolta had two lens mounts. One for manual focus SLR film cameras and one for Auto Focus SLR Maxxum film and digital SLR cameras. Sony uses Minolta Maxxum lens mount.
If the Sigma 400 f5.6 lens was made for Minolta X-700 series, XG, series, XD series, SRT series, then it will not fit on your camera.


Jun 17, 2010 | Sony Alpha DSLR-A200K Digital Camera

3 Answers

Nikon Lenses


They will fit but will work only in manual mode

Jun 14, 2009 | Nikon 50-300mm f/4.5 Manual Focus Lens...

1 Answer

How to use a manual zoom lens with Evolt 510


By manual zoom lens I am assuming you mean a film camera lens. If it is one of our OM 1 or 2 lenses they can be used on our Olympus digital SLR camera but you will need to purchase an MF-OM1 converter to be able to adapt those lenses to fit on our digital SLR camera. Then you will only be able to shoot using those lens in manual focus mode. Auto focus mode will not be available.

Sep 25, 2008 | Olympus Cameras

1 Answer

Minolta Maxxum 7000i


Is there a micro focus switch on the lens
On my lens if switch to Micro Mode the Auto focus is disabled, Also it is a stupid question but you are using a AF lens and not a xi series or manual focus lens.

Sep 28, 2007 | Minolta Maxxum 7000 35mm SLR Camera

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