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Posts: 3
Registered: ‎09-06-2016
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my larger lens on my eos t5 won't auto focus, help

I have the canon eos rebel t5 and my smaller lens focuses fine but when i try to use the larger lens to take better pictures it doesnt focus at all

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Posts: 11,804
Registered: ‎08-13-2015

Re: my larger lens on my eos t5 won't auto focus, help

What lens model are you having problems with?  What are you trying to focus on?

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"Doctor told me to get out and walk, so I bought a Canon."
New Contributor
Posts: 3
Registered: ‎09-06-2016

Re: my larger lens on my eos t5 won't auto focus, help

canon zoom lens ef 75-300mm
and anything, whether im all the way zoomed in or zoomed out it wont focus for a picture
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Posts: 11,804
Registered: ‎08-13-2015

Re: my larger lens on my eos t5 won't auto focus, help


@emiimariaa wrote:
canon zoom lens ef 75-300mm
and anything, whether im all the way zoomed in or zoomed out it wont focus for a picture

That sounds like the camera kit lens, the big one that comes with the camera in  a two lens kit.  You must observe the MFD, Minimum Focusing Distance, of the lens.  It is printed on the barrel of the lens as a "macro" distance.  The lens is difficult to use indoors in an average size room.

 

You need to be sure that you have sufficient light for the lens to focus.  The kit 75-300 likes lots of light.  It should perform better outdoors on a sunny day.  All but the most expensive super telephoto lenses [.>300mm ] may exhibit difficulty focusing from something up close, to switching to something far away. It should do auto focus when the change from the previous focus setting is large.

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"Doctor told me to get out and walk, so I bought a Canon."
New Contributor
Posts: 3
Registered: ‎09-06-2016

Re: my larger lens on my eos t5 won't auto focus, help

i tried to use it from the stands at a football game during the day and it wouldnt focus then either :/ so i dont know what to do
VIP
Posts: 11,804
Registered: ‎08-13-2015

Re: my larger lens on my eos t5 won't auto focus, help

It sounds like you may have a bad lens.  Contact Canon U.S. support at 1-800-OK-CANON.

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"Doctor told me to get out and walk, so I bought a Canon."
Esteemed Contributor
Posts: 2,388
Registered: ‎11-14-2012

Re: my larger lens on my eos t5 won't auto focus, help

Is the lens switch set to AF? If so check the AF/MF switch on the lens. Click it back & forth between the AF & the MF 2 or 3 times & then set it to AF. Sometimes a switches contacts are corroded or a bit dirty & than can clean them.

"A skill is developed through constant practice with a passion to improve, not bought."
Forum Elite
Posts: 14,126
Registered: ‎12-07-2012

Re: my larger lens on my eos t5 won't auto focus, help

" so i dont know what to do"

 

OK, Kido, here is what to do.  Reset the T5 to default.  Set the T5 to 'P' mode.  Lens switch in the AF position.  Go out side on a brightly lighted sunny day.  Try to focus the lens on an object about 25 or 30 feet from you.  Does it work now?  If it does, there is nothing wrong with the lens.

If not you will need to contact Canon Support but be warned this lens is not a good candidate for repair if it truly is faulty.

EB
EOS 1DX and 1D Mk IV and several lenses!
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