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11 hours ago, Kwesi said:

1 - that the "glow" is in the lens and not in the M11 

 

Yes and no.
Get ready, this one will be a doozy.

Here's Nokton 40mm, wide open, in a very high contrast situation where it normally exhibits fringing (note - this is NOT longitudinal CA):

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Note also that it resolves better on M11 than on M240.

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Just to keep things interesting (even if a little off topic), here's Nokton vs. Summicron (note - Summicron's FoV is wider) at f/2.0, both shot on M11, 100% crops:

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And here's what a Heliar looks like wide open (not that it matters at f/4.5 anyways) on an M11, 100% crop, just to give you an impression of the amount of detail M11 truly captures:

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Not sure what you're trying to demonstrate here sorry. "Glow", color fringing or resolution? In any case i would use a single lens to avoid variables and i would upsize M240 pics instead of downsizing M11's as suggested previously. BTW your Nokton lens does exhibit color fringing on the M11 as you can see below.

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On 3/13/2022 at 3:32 AM, lct said:

"Glow", color fringing or resolution?

Yes.

On 3/13/2022 at 3:32 AM, lct said:

In any case i would use a single lens to avoid variables and i would upsize M240 pics instead of downsizing M11's as suggested previously.

No.

On 3/13/2022 at 3:32 AM, lct said:

BTW your Nokton lens does exhibit color fringing on the M11 as you can see below.

Yes.

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