M11 Diopter advise

[jaapv]

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Do try it in both landscape and portrait orientation 

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[kkochheiser]

On 8/4/2025 at 10:12 AM, jaapv said:

I <think> that the contrast matches my idea of B&W most - for the rest- personal preference. 

Thank you again for the suggestion.  I received my eyepiece today and it really helps.  Walter is great to work with, quick and prompt.  
 

thanks again,

Kent

[LeicaGuyUK]

So just to follow up... I visited the chaps at Leica Mayfair, tried all the diopters and found that the +1.5 was the closest to what worked and purchased one of the new II versions. Although not as perfect as can be I can now use my right eye again for the RF. Many thanks all for your guidance

[Tseg]

On 8/15/2025 at 3:36 AM, LeicaGuyUK said:

So just to follow up... I visited the chaps at Leica Mayfair, tried all the diopters and found that the +1.5 was the closest to what worked and purchased one of the new II versions. Although not as perfect as can be I can now use my right eye again for the RF. Many thanks all for your guidance

Glad it worked out.   This (+1.5) makes sense with your right eye at SPY +2.0.   Use the right eye SPH and subtract .25 or .50 to pick the best functioning Leica diopter... since the Leica diopters are only in 50 point increments.