Spots on DP2m sensor.

Started Jan 29, 2013 | Discussions
TaiTom
Junior MemberPosts: 43
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Spots on DP2m sensor.
Jan 29, 2013

I have had my DP2m for about a month and I am completely satisfied and even delighted with the camera and its performance. However, after a recent outing I noticed 2 spots in a couple of images with a lot of open sky in the frame. This must be dust or oil on the sensor. Anyone else have this problem?

Sigma DP2
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Johan Borg
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Re: Spots on DP2m sensor.
In reply to TaiTom, Jan 29, 2013

Yes, mine had a tiny bit from the factory. Keeping the aperture in the sweet spot f/2.8-8.0 hides it most of the time. No big deal for me at least..

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petr marek
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Re: Spots on DP2m sensor.
In reply to Johan Borg, Jan 29, 2013

Johan Borg wrote:

Yes, mine had a tiny bit from the factory. Keeping the aperture in the sweet spot f/2.8-8.0 hides it most of the time. No big deal for me at least..

Unbelievable, Sigmas customers are so generous, they have to reconcile to so many limitations, failures and obstructions taking photos and developing it... I think interchangeable mount would be a great solution of this Sigmas deficiency - you could at least clean the dust off the sensor... And you don´t need to buy three DP cameras for versatility, only three lenses... :))

Sigma sucks so hard...

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PrebenR
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Re: Spots on DP2m sensor.
In reply to petr marek, Jan 29, 2013

petr marek wrote:

Johan Borg wrote:

Yes, mine had a tiny bit from the factory. Keeping the aperture in the sweet spot f/2.8-8.0 hides it most of the time. No big deal for me at least..

Unbelievable, Sigmas customers are so generous, they have to reconcile to so many limitations, failures and obstructions taking photos and developing it... I think interchangeable mount would be a great solution of this Sigmas deficiency - you could at least clean the dust off the sensor... And you don´t need to buy three DP cameras for versatility, only three lenses... :))

Sigma sucks so hard...

No it doesn't. One can send in the camera and get it fixed. No problem. I got this on my DP1M and I reported it and was told to send it in so they could fix it. I have waited to do it though as 1) I wanted to use the camera 2) I wanted to see if more dust would come on the sensor.

It does not seems that that has happened, so that is good.So I'll send in the camera now to get it sorted as the DP1M will be used for landscape.

The Nikon D600 has terrible dust problems. D7000 had oil problems.... Dust can happen to all cameras and manufacturers.

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Truman Prevatt
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Re: Spots on DP2m sensor.
In reply to petr marek, Jan 29, 2013

Sigma would "suck so hard" if you sent it back and they said take a hike.  I am sure they would not.  If you have dirt or oil on the sensor of a sealed camera like the DP - send it back.  An SLR with interchangeable lenses and moving parts - maybe you would pick some up along the way.  But a sealed camera should be clean and if it is not I am sure they would fix it for you.

Sigma has a lot of issues particularly with QC, but at the end of the day I am quite sure they stand behind their products.  The OP should send it back and either get it replaced or get it professionally cleaned by Sigma.

petr marek wrote:

Johan Borg wrote:

Yes, mine had a tiny bit from the factory. Keeping the aperture in the sweet spot f/2.8-8.0 hides it most of the time. No big deal for me at least..

Unbelievable, Sigmas customers are so generous, they have to reconcile to so many limitations, failures and obstructions taking photos and developing it... I think interchangeable mount would be a great solution of this Sigmas deficiency - you could at least clean the dust off the sensor... And you don´t need to buy three DP cameras for versatility, only three lenses... :))

Sigma sucks so hard...

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Truman
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SigmaChrome
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Re: Spots on DP2m sensor.
In reply to TaiTom, Jan 30, 2013

Yeah, I've got little collection of spots too. But they are extremely small. Still annoying though. I'll keep my eye on them and if I see any change I'll return the camera to the distributor for repair or replacement.

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Johan Borg
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Re: Spots on DP2m sensor.
In reply to petr marek, Jan 30, 2013

petr marek wrote:

Johan Borg wrote:

Yes, mine had a tiny bit from the factory. Keeping the aperture in the sweet spot f/2.8-8.0 hides it most of the time. No big deal for me at least..

Unbelievable, Sigmas customers are so generous, they have to reconcile to so many limitations, failures and obstructions taking photos and developing it... I think interchangeable mount would be a great solution of this Sigmas deficiency - you could at least clean the dust off the sensor... And you don´t need to buy three DP cameras for versatility, only three lenses... :))

No, please, interchangeable lens cameras get more dust than my DP2M will ever have after every single lens change (been there, done that, my SD15 now has a 50mm/1.4 permanently attached). There's a reason I say it's no big deal, I'm not sure I would ever discover them if I didn't explicitly test for it at minimum aperture.

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nandadevieast
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Re: Spots on DP2m sensor.
In reply to TaiTom, Jan 30, 2013

Why will there be dust spots on DPM's? Isn't a fixed lens cam supposed to be free of these things?

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jbr
jbr
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Re: Spots on DP2m sensor.
In reply to SigmaChrome, Jan 30, 2013

My DP2M is clean but I had to return two DP1Ms before I got a clean one - a frustrating experience.  In my opinion there should not be dust on a closed camera.  Sending to Sigma for cleaning is not an option.  Sigma does not have this service in Canada.  Joe

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Truman Prevatt
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Re: Spots on DP2m sensor.
In reply to nandadevieast, Jan 30, 2013

nandadevieast wrote:

Why will there be dust spots on DPM's? Isn't a fixed lens cam supposed to be free of these things?

If the sensor and all the remaining parts are not thoroughly cleaned and moved into a clean room for assembly - it most likely have dust.

There should not be dust in a sealed camera.  However, you might get some mole growth.  Again a reason for thoroughly cleaning and assembling in a clean room.

Sigma is not known for its high standards of quality control. That is the main reason I do not buy Sigma lenses - although they do make some attractive offerings.  Send the camera back.  It's a pain in the butt, however, you should not have to live with dust on the sensor of a sealed camera.

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