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DPChallenge Forums >> Tips, Tricks, and Q&A >> lens or camera problem?
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 01/03/2012 09:45:09 AM · #1
I have a sigma 150-500 lens.I have had to send it back to sigma 3 times (it seems to happen every 3 mo.)to repair the main pcb.It was one on the recall list.I got it back last thurs. used it 3-4 times and twice the shutter has stayed closed and will not open untill I turn the camera off.Is this a lens problem or my camera? I don't want to call sigma and raise holy heck if it is not the lens. I have a nikon d90 and d50 and use the lens on both of them.
thanks!
 01/03/2012 09:47:27 AM · #2
dial down on the fault

can you replicate the fault on both cameras? ergo its the lense

can you replicate the fault with another lens on the body that caused the problem ergo its the body
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