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Forum: Leica M9 / ME 01-28-2018
Replies: 578
Views: 35,554
Posted By willie_901
You haven't missed anything. The M240 sensor...

You haven't missed anything. The M240 sensor assembly is fine.
Forum: Leica M9 / ME 11-29-2017
Replies: 578
Views: 35,554
Posted By willie_901
Tough call. Think about how come you stopped...

Tough call.

Think about how come you stopped using the M9. Unless your decision was flawed, sell it now.

I would put this camera on an online auction site and disclose in the clearest possible...
Forum: Leica M9 / ME 11-19-2017
Replies: 578
Views: 35,554
Posted By willie_901
I will think the likelihood of future corrosion...

I will think the likelihood of future corrosion is about the same as every other digital camera i.e. extremely low.

I suggest the M9 corrosion issue was driven by the physical restrictions of the...
Forum: Leica M9 / ME 08-16-2017
Replies: 578
Views: 35,554
Posted By willie_901
Schiller's will follow up and take care of you...

Schiller's will follow up and take care of you once you figure out which staff person is directly responsible for interactions with Leica.

For a small, business they seem to have a significant...
Forum: Leica M9 / ME 06-27-2017
Replies: 578
Views: 35,554
Posted By willie_901
Almost nothing if you know how to select ISO,...

Almost nothing if you know how to select ISO, shutter times and apertures to maximize exposure (signal-to-noise ratio) and you use raw files. Essentially nothing if you do the above and render the...
Forum: Leica M9 / ME 06-25-2017
Replies: 578
Views: 35,554
Posted By willie_901
Thanks for the detailed information. I was...

Thanks for the detailed information. I was unaware the M8 had an IR filter layer.

I am aware the M9 had weak IR contamination. But I never saw M9 color images that were as affected as M8 images...
Forum: Leica M9 / ME 06-24-2017
Replies: 578
Views: 35,554
Posted By willie_901
The cameras were not defective when they were...

The cameras were not defective when they were sold. We will never know if Leica continued to sell M9s after they knew the IR filter film presented an unavoidable problem.

It was known during the...
Forum: Leica M9 / ME 06-22-2017
Replies: 578
Views: 35,554
Posted By willie_901
I think this is a wise decision. Even the most...

I think this is a wise decision. Even the most skilled, careful and thoughtful technician could compromise the sensor assemblies' cover-glass coating during a wet-cleaning procedure.

Even a coating...
Forum: Leica M9 / ME 05-20-2017
Replies: 578
Views: 35,554
Posted By willie_901
Thanks for catching that. Deomsaicing certainly...

Thanks for catching that. Deomsaicing certainly means combining separate image data.

Of course, only spatial interpolation is required to transform discrete amplitude information into a form that...
Forum: Leica M9 / ME 05-19-2017
Replies: 578
Views: 35,554
Posted By willie_901
Another possibility is to explain your time-line...

Another possibility is to explain your time-line problems to Leica with a positive attitude. Ask them to evaluate your sensor cover glass for delamination ASAP. If the sensor qualifies for...
Forum: Leica M9 / ME 05-19-2017
Replies: 578
Views: 35,554
Posted By willie_901
The ON Semi-conductor KAF-18500's spectral...

The ON Semi-conductor KAF-18500's spectral transmission response is 330 to 710 nm. This matches human vision. The most linear region is ~ 400 to 540 nm. Here's the data...
Forum: Leica M9 / ME 05-19-2017
Replies: 578
Views: 35,554
Posted By willie_901
The timeline and content of Leica's responses to...

The timeline and content of Leica's responses to water-based IR filter delamination is over-shadowed by their solution. So while I think it is fair [1] to assume Leica sold some units knowing there...
Forum: Leica M9 / ME 05-16-2017
Replies: 578
Views: 35,554
Posted By willie_901
I think a reasonable hypothesis for the onset of...

I think a reasonable hypothesis for the onset of IR filter layer corrosion is:


During manufacturing the sensor cover glass coating was misapplied. This resulted in invisible, physical channels for...
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