GW670II Internal Dust Question

rcphoto · Dec 5, 2022

I picked up a GW670II from the usual location. Lens is full of dust but otherwise immaculate. Before I return it, I'd like to see if you all might have some advice on getting it repaired. I did a quick search but nothing I was familiar with came up.

ic-racer · Dec 5, 2022

I'd probably just use it as is.

GregY · Dec 5, 2022

What ic-racer says.... dust gets into lenses. it's a fact of life.

beemermark · Dec 5, 2022

Dust is a fact but is that even internal? Why I don't take stuff back unless there is a real problem.

250swb · Dec 6, 2022

I can't see how that amount of dust would affect the image. The lens will be completely blind to it and it won't be seen on the negative even as increased 'glow' (it needs to be catastrophically worse for that to happen). It's a second hand camera, if the rest is sound I'd be happy to use it for even the most technically fine work.

rcphoto · Dec 6, 2022

250swb said:
I can't see how that amount of dust would affect the image. The lens will be completely blind to it and it won't be seen on the negative even as increased 'glow' (it needs to be catastrophically worse for that to happen). It's a second hand camera, if the rest is sound I'd be happy to use it for even the most technically fine work.

I guess that's truly my concern, what impact it would have on the image if any. I have owned many lenses but can honestly say that aside from a few small specs here and there, I've not owned a piece with this amount of dust so I'm just not that familiar.

I appreciate everyone's input. That being said, if anyone has any recommendations on repair companies that might have some experience with these that would be nice to have tucked away. I know they aren't anything too special but it always helps having some familiarity with what you're working with.

logan2z · Dec 6, 2022

rcphoto said:
I guess that's truly my concern, what impact it would have on the image if any. I have owned many lenses but can honestly say that aside from a few small specs here and there, I've not owned a piece with this amount of dust so I'm just not that familiar.

I appreciate everyone's input. That being said, if anyone has any recommendations on repair companies that might have some experience with these that would be nice to have tucked away. I know they aren't anything too special but it always helps having some familiarity with what you're working with.

As others have said, I don't think the dust will present a problem. But if you're concerned then shoot a test roll and see if there's an issue. If there is no impact on your photos then I don't think I'd have a repair person open up the lens and try to remove the dust. That might just introduce a problem that you didn't have before.

OAPOli · Dec 6, 2022

If the dust is mostly on the surfaces adjacent to the shutter, then it's possible to access them relatively easily. Remove the name ring and front lens cell then blow the dust. Those might be tight.

GW670II Internal Dust Question

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