Questions & Answers for: Sigma dust on lens

...dust inside the lens. My warranty will valid untill April 21 2009. Do you think it should be covered by warranty? I have three Nikon compatibale lens and non of them has dust inside. I mean it is not ...

...the lens at both the sides, the mounting end and the front end. I had the same problem and got it cleaned to get it working back. Its bcz the sufficient light entry will be cut when dust

...dust behind the front lens of my sigma 17-35 2.8-4.0.. do i have to disassemble the whole lens to get it out? HI If this is not the DG type what you do is to remove the name ring you can pleel it of ...

lens and when i push out to focus at 210 there is a piece of string that comes out which looks like the seal to me with some grease i think is there a manual for me too repair it my selve it is not in

...lens specialist with dust-free laboratory conditions, correct tools, alignment equipment etc, not advisable. Rather take it in to a pro for assessment and quote. If you're lucky, they may be able to ...

dust into the lens than you manage to clean off. Also, most lenses have a lesser or greater amount of sealant which may potentially be ruined. Lens elements are carefully aligned, and any misalignment

...dust gets into the back of the lens or the camera body. Hold the camera lens mount down while lightly polishing the contacts same with the lens. Do not wipe clean with a facial tissue or use any type ...

...lens? There is a piece of dust behind the front element (or between the front elements - I can't find a schematic). I agree that if I were to tear it down further that I would need other tools. I've ...

...lens to clean an inner element. Does anyone have a service manual/exploded views/parts diagram please? You can't do this yourself. It needs to be carried out by professionals and is a 'clean room' ...