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lens problem

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Joined: Fri Jun 15, 2012 5:59 pm

lens problem

Unread post by Ruben1 » Wed Jun 20, 2012 7:39 pm

Hi there everyone!
I recently picked up a problem with my canon lens. When you look through the lens everything is dark, even in broad daylight. First I thought the problem was with the camera and had it taken to a shop which told me that the light sensor is broken but later after testing with other lenses that the problem lied with the one lens. Can anyone please tell me what the problem may be and if it is repairable? Thanx- Ruben

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Re: lens problem

Unread post by RichardJ » Thu Jun 21, 2012 9:18 pm

Hi Ruben welcome to the forum.

Per my s-son who is a camera technician (favours Canon) the lens is repairable.

He suggests that the aperture control flexi-circuit also known as the power diaphragm circuit has a hair line crack in it thus no power to or from the camera.

What lens is it?

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Joined: Fri Jun 15, 2012 5:59 pm

Re: lens problem

Unread post by Ruben1 » Fri Jun 22, 2012 9:51 am

thanx Richard for the feedback. The lens is a relative old 28-300mm that I
use with my 400D. To think I almost threw the camera away-if it wasn't 4 sentimental reasons.

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