Can a decentered lens be repaired

**jrpower10** · 07-07-2016, 06:49 AM

As the title says. I have a lens that looks to be decentered. It's very sharp in the center and good along 3 edges, but the 4th edge is pretty bad, even stopped down to f8. Can it be repaired? If so, any suggestions where? Already contacted Eric and he can't.

VoiceOfReason · 07-07-2016, 07:32 AM

I had a decentered Tamron 17-50 repaired by the Tamron service center, so I know they can be repaired. I'd check with the manufacturer to see if they can do it at one fo their centers and also check with KEH since they do lens repairs.

sandenon · 07-07-2016, 10:10 AM

I had a Limited 35 Macro with the symptoms you describe. I sent it to KEH, the lens was repaired to my satisfaction, cost $130.

**jrpower10** · 07-07-2016, 02:01 PM

FA 20mm. Looked great on my K-3, not so great on the K-1. I'm guessing Precision Camera is the place to go, but if someone knows a better alternative I'm all ears.

tibbitts · 07-10-2016, 03:41 PM

I think the answer is "it depends", on at least three factors. One would be the construction of the lens: for some lenses the construction would probably make such repairs impractical. Another would be availability of the proper equipment to identify and repair the problem. The third would be your ability to convince the service provider that the lens is indeed "out of spec", which has been a specific problem for me.

pentasonic49 · 07-13-2016, 01:58 PM

An FA20 is quite rare and may well be worth investing in if it has no other faults.

07-07-2016, 06:49 AM	#1
jrpower10 Site Supporter Join Date: Sep 2011 Location: Richland, Washington, USA Posts: 935	Can a decentered lens be repaired As the title says. I have a lens that looks to be decentered. It's very sharp in the center and good along 3 edges, but the 4th edge is pretty bad, even stopped down to f8. Can it be repaired? If so, any suggestions where? Already contacted Eric and he can't.

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07-07-2016, 07:32 AM	#2
VoiceOfReason Site Supporter Join Date: Jun 2010 Location: Mishawaka IN area Photos: Albums Posts: 6,124	I had a decentered Tamron 17-50 repaired by the Tamron service center, so I know they can be repaired. I'd check with the manufacturer to see if they can do it at one fo their centers and also check with KEH since they do lens repairs.

07-07-2016, 10:10 AM	#3
sandenon New Member Join Date: Sep 2015 Posts: 23	I had a Limited 35 Macro with the symptoms you describe. I sent it to KEH, the lens was repaired to my satisfaction, cost $130.

07-07-2016, 02:01 PM	#4
jrpower10 Site Supporter Join Date: Sep 2011 Location: Richland, Washington, USA Posts: 935 Original Poster	FA 20mm. Looked great on my K-3, not so great on the K-1. I'm guessing Precision Camera is the place to go, but if someone knows a better alternative I'm all ears.

07-10-2016, 03:41 PM	#5
tibbitts Pentaxian Join Date: Apr 2007 Location: Oklahoma USA Posts: 2,196	I think the answer is "it depends", on at least three factors. One would be the construction of the lens: for some lenses the construction would probably make such repairs impractical. Another would be availability of the proper equipment to identify and repair the problem. The third would be your ability to convince the service provider that the lens is indeed "out of spec", which has been a specific problem for me.

07-13-2016, 01:58 PM	#6
pentasonic49 Veteran Member Join Date: Oct 2012 Location: weston-super-mare Posts: 395	An FA20 is quite rare and may well be worth investing in if it has no other faults.